/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 -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann03.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:56:46,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:56:46,116 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:56:46,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:56:46,169 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:56:46,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:56:46,179 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:56:46,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:56:46,191 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:56:46,197 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:56:46,199 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:56:46,200 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:56:46,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:56:46,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:56:46,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:56:46,208 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:56:46,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:56:46,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:56:46,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:56:46,227 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:56:46,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:56:46,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:56:46,246 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:56:46,247 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:56:46,250 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:56:46,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:56:46,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:56:46,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:56:46,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:56:46,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:56:46,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:56:46,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:56:46,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:56:46,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:56:46,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:56:46,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:56:46,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:56:46,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:56:46,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:56:46,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:56:46,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:56:46,263 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 03:56:46,275 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:56:46,275 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:56:46,277 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:56:46,277 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:56:46,277 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:56:46,277 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:56:46,277 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:56:46,278 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:56:46,278 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:56:46,278 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:56:46,278 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:56:46,278 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:56:46,279 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:56:46,279 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:56:46,279 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:56:46,279 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:56:46,279 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:56:46,280 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:56:46,280 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:56:46,280 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:56:46,280 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:56:46,280 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:56:46,281 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:56:46,281 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:56:46,651 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:56:46,694 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:56:46,698 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:56:46,699 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:56:46,700 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:56:46,701 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-24 03:56:46,799 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b48b3910/a4571e023bf24bfe9c7785d6c6305466/FLAG1773aad9b [2021-02-24 03:56:47,427 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:56:47,428 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c [2021-02-24 03:56:47,435 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b48b3910/a4571e023bf24bfe9c7785d6c6305466/FLAG1773aad9b [2021-02-24 03:56:47,811 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3b48b3910/a4571e023bf24bfe9c7785d6c6305466 [2021-02-24 03:56:47,821 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:56:47,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:56:47,843 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:56:47,843 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:56:47,848 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:56:47,849 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:56:47" (1/1) ... [2021-02-24 03:56:47,851 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ae5f7bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:47, skipping insertion in model container [2021-02-24 03:56:47,851 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:56:47" (1/1) ... [2021-02-24 03:56:47,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:56:47,875 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:56:48,038 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c[1168,1181] [2021-02-24 03:56:48,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:56:48,053 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:56:48,073 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/recursive/Ackermann03.c[1168,1181] [2021-02-24 03:56:48,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:56:48,091 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:56:48,092 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48 WrapperNode [2021-02-24 03:56:48,092 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:56:48,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:56:48,094 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:56:48,094 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:56:48,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48" (1/1) ... [2021-02-24 03:56:48,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48" (1/1) ... [2021-02-24 03:56:48,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48" (1/1) ... [2021-02-24 03:56:48,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48" (1/1) ... [2021-02-24 03:56:48,125 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48" (1/1) ... [2021-02-24 03:56:48,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48" (1/1) ... [2021-02-24 03:56:48,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48" (1/1) ... [2021-02-24 03:56:48,131 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:56:48,132 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:56:48,132 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:56:48,132 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:56:48,133 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48" (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 [2021-02-24 03:56:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:56:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:56:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:56:48,242 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2021-02-24 03:56:48,243 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:56:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:56:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:56:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:56:48,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:56:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:56:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2021-02-24 03:56:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:56:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:56:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:56:48,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:56:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:56:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:56:48,245 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:56:48,629 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:56:48,630 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-02-24 03:56:48,632 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:56:48 BoogieIcfgContainer [2021-02-24 03:56:48,632 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:56:48,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:56:48,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:56:48,638 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:56:48,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:56:47" (1/3) ... [2021-02-24 03:56:48,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3287ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:56:48, skipping insertion in model container [2021-02-24 03:56:48,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:56:48" (2/3) ... [2021-02-24 03:56:48,640 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3287ff0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:56:48, skipping insertion in model container [2021-02-24 03:56:48,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:56:48" (3/3) ... [2021-02-24 03:56:48,642 INFO L111 eAbstractionObserver]: Analyzing ICFG Ackermann03.c [2021-02-24 03:56:48,650 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:56:48,655 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:56:48,676 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:56:48,704 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:56:48,704 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:56:48,704 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:56:48,704 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:56:48,704 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:56:48,705 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:56:48,705 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:56:48,705 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:56:48,723 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2021-02-24 03:56:48,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-02-24 03:56:48,735 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:56:48,736 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] [2021-02-24 03:56:48,737 INFO L428 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:56:48,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:56:48,744 INFO L82 PathProgramCache]: Analyzing trace with hash 305373308, now seen corresponding path program 1 times [2021-02-24 03:56:48,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:56:48,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [829038138] [2021-02-24 03:56:48,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:56:48,851 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:56:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:49,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:49,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:49,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:49,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:49,037 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:49,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:56:49,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:49,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:49,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:49,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:56:49,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:49,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:49,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:49,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:49,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:56:49,216 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [829038138] [2021-02-24 03:56:49,219 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:56:49,219 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-24 03:56:49,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466902046] [2021-02-24 03:56:49,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-24 03:56:49,226 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:56:49,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-24 03:56:49,243 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-24 03:56:49,246 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 6 states. [2021-02-24 03:56:50,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:56:50,238 INFO L93 Difference]: Finished difference Result 97 states and 119 transitions. [2021-02-24 03:56:50,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-24 03:56:50,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-02-24 03:56:50,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:56:50,252 INFO L225 Difference]: With dead ends: 97 [2021-02-24 03:56:50,252 INFO L226 Difference]: Without dead ends: 53 [2021-02-24 03:56:50,257 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:56:50,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-02-24 03:56:50,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-02-24 03:56:50,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2021-02-24 03:56:50,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 60 transitions. [2021-02-24 03:56:50,320 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 60 transitions. Word has length 32 [2021-02-24 03:56:50,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:56:50,321 INFO L480 AbstractCegarLoop]: Abstraction has 53 states and 60 transitions. [2021-02-24 03:56:50,321 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-24 03:56:50,321 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 60 transitions. [2021-02-24 03:56:50,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2021-02-24 03:56:50,325 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:56:50,325 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-24 03:56:50,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:56:50,326 INFO L428 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:56:50,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:56:50,327 INFO L82 PathProgramCache]: Analyzing trace with hash -40053035, now seen corresponding path program 1 times [2021-02-24 03:56:50,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:56:50,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1944036594] [2021-02-24 03:56:50,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:56:50,331 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:56:50,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:50,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:50,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:50,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:50,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:50,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:50,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:50,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:56:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:50,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:50,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:50,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:56:50,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:50,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:50,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:50,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:50,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:50,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:50,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:50,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:50,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:50,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-24 03:56:50,525 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1944036594] [2021-02-24 03:56:50,526 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:56:50,526 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-24 03:56:50,526 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379566451] [2021-02-24 03:56:50,527 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-24 03:56:50,527 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:56:50,528 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-24 03:56:50,528 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-02-24 03:56:50,529 INFO L87 Difference]: Start difference. First operand 53 states and 60 transitions. Second operand 6 states. [2021-02-24 03:56:51,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:56:51,015 INFO L93 Difference]: Finished difference Result 91 states and 116 transitions. [2021-02-24 03:56:51,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-24 03:56:51,016 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 42 [2021-02-24 03:56:51,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:56:51,020 INFO L225 Difference]: With dead ends: 91 [2021-02-24 03:56:51,020 INFO L226 Difference]: Without dead ends: 55 [2021-02-24 03:56:51,023 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:56:51,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-02-24 03:56:51,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-02-24 03:56:51,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-02-24 03:56:51,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 64 transitions. [2021-02-24 03:56:51,044 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 64 transitions. Word has length 42 [2021-02-24 03:56:51,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:56:51,045 INFO L480 AbstractCegarLoop]: Abstraction has 55 states and 64 transitions. [2021-02-24 03:56:51,045 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-24 03:56:51,045 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 64 transitions. [2021-02-24 03:56:51,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-02-24 03:56:51,049 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:56:51,049 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 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] [2021-02-24 03:56:51,049 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:56:51,049 INFO L428 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:56:51,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:56:51,050 INFO L82 PathProgramCache]: Analyzing trace with hash 1101309652, now seen corresponding path program 1 times [2021-02-24 03:56:51,051 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:56:51,051 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1876248320] [2021-02-24 03:56:51,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:56:51,055 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:56:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:51,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:51,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:51,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:51,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:56:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:51,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:51,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:56:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:51,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:51,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:51,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:51,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:51,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:51,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,377 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:51,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:51,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:51,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:51,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:51,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:56:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:51,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:51,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:51,444 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2021-02-24 03:56:51,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1876248320] [2021-02-24 03:56:51,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:56:51,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 03:56:51,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832858557] [2021-02-24 03:56:51,446 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 03:56:51,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:56:51,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 03:56:51,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2021-02-24 03:56:51,448 INFO L87 Difference]: Start difference. First operand 55 states and 64 transitions. Second operand 7 states. [2021-02-24 03:56:52,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:56:52,104 INFO L93 Difference]: Finished difference Result 83 states and 105 transitions. [2021-02-24 03:56:52,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-24 03:56:52,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 61 [2021-02-24 03:56:52,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:56:52,109 INFO L225 Difference]: With dead ends: 83 [2021-02-24 03:56:52,109 INFO L226 Difference]: Without dead ends: 77 [2021-02-24 03:56:52,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-24 03:56:52,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2021-02-24 03:56:52,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2021-02-24 03:56:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 77 states. [2021-02-24 03:56:52,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2021-02-24 03:56:52,136 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 61 [2021-02-24 03:56:52,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:56:52,137 INFO L480 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2021-02-24 03:56:52,137 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 03:56:52,137 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2021-02-24 03:56:52,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2021-02-24 03:56:52,141 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:56:52,142 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 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] [2021-02-24 03:56:52,142 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:56:52,142 INFO L428 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:56:52,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:56:52,143 INFO L82 PathProgramCache]: Analyzing trace with hash 697726399, now seen corresponding path program 2 times [2021-02-24 03:56:52,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:56:52,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1183378269] [2021-02-24 03:56:52,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:56:52,146 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:56:52,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:52,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:52,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:52,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:56:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:52,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:52,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:56:52,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:52,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:52,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:56:52,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:52,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:52,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:52,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:52,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:52,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:52,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:52,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:52,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:52,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:52,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:56:52,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:52,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:52,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:52,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:56:52,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:52,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:52,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 2 proven. 15 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-02-24 03:56:52,440 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1183378269] [2021-02-24 03:56:52,441 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:56:52,441 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 03:56:52,441 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405120150] [2021-02-24 03:56:52,441 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 03:56:52,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:56:52,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 03:56:52,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-24 03:56:52,443 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand 8 states. [2021-02-24 03:56:52,703 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2021-02-24 03:56:53,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:56:53,421 INFO L93 Difference]: Finished difference Result 115 states and 167 transitions. [2021-02-24 03:56:53,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-24 03:56:53,426 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2021-02-24 03:56:53,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:56:53,432 INFO L225 Difference]: With dead ends: 115 [2021-02-24 03:56:53,432 INFO L226 Difference]: Without dead ends: 109 [2021-02-24 03:56:53,433 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-02-24 03:56:53,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2021-02-24 03:56:53,468 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2021-02-24 03:56:53,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2021-02-24 03:56:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 161 transitions. [2021-02-24 03:56:53,471 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 161 transitions. Word has length 80 [2021-02-24 03:56:53,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:56:53,472 INFO L480 AbstractCegarLoop]: Abstraction has 109 states and 161 transitions. [2021-02-24 03:56:53,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 03:56:53,473 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 161 transitions. [2021-02-24 03:56:53,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2021-02-24 03:56:53,477 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:56:53,477 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 11, 7, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:56:53,478 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:56:53,478 INFO L428 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:56:53,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:56:53,479 INFO L82 PathProgramCache]: Analyzing trace with hash -1386789945, now seen corresponding path program 3 times [2021-02-24 03:56:53,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:56:53,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1415564417] [2021-02-24 03:56:53,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:56:53,482 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:56:53,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:53,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:56:53,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:53,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:56:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:53,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:53,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:53,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:53,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:53,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:53,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:53,823 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:53,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,881 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 03:56:53,882 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 03:56:53,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 03:56:53,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:56:53,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:53,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:53,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:53,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:53,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:54,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:56:54,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:54,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:54,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:54,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:54,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:54,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:54,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:54,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:54,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:54,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:54,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2021-02-24 03:56:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:54,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:54,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:54,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:54,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:54,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:54,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:54,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:54,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:54,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:54,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:54,149 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 18 proven. 18 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-02-24 03:56:54,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1415564417] [2021-02-24 03:56:54,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:56:54,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-02-24 03:56:54,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2147472962] [2021-02-24 03:56:54,151 INFO L460 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-02-24 03:56:54,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:56:54,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-02-24 03:56:54,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2021-02-24 03:56:54,152 INFO L87 Difference]: Start difference. First operand 109 states and 161 transitions. Second operand 16 states. [2021-02-24 03:56:54,807 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:56:54,939 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:56:56,078 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:56:56,231 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:56:58,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:56:58,297 INFO L93 Difference]: Finished difference Result 385 states and 934 transitions. [2021-02-24 03:56:58,298 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-02-24 03:56:58,298 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 129 [2021-02-24 03:56:58,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:56:58,318 INFO L225 Difference]: With dead ends: 385 [2021-02-24 03:56:58,319 INFO L226 Difference]: Without dead ends: 297 [2021-02-24 03:56:58,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 355 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=447, Invalid=1533, Unknown=0, NotChecked=0, Total=1980 [2021-02-24 03:56:58,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 297 states. [2021-02-24 03:56:58,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 176. [2021-02-24 03:56:58,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-02-24 03:56:58,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 334 transitions. [2021-02-24 03:56:58,446 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 334 transitions. Word has length 129 [2021-02-24 03:56:58,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:56:58,447 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 334 transitions. [2021-02-24 03:56:58,447 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2021-02-24 03:56:58,447 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 334 transitions. [2021-02-24 03:56:58,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-02-24 03:56:58,455 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:56:58,455 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 16, 10, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:56:58,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:56:58,455 INFO L428 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:56:58,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:56:58,456 INFO L82 PathProgramCache]: Analyzing trace with hash -1061589486, now seen corresponding path program 4 times [2021-02-24 03:56:58,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:56:58,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979249828] [2021-02-24 03:56:58,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:56:58,486 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:56:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:58,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:58,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:58,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:56:58,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:58,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:58,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:56:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:58,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:58,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:58,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:58,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:58,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:58,707 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:58,708 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:58,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:58,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:58,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:58,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:58,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:58,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:58,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:58,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-24 03:56:58,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:58,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:58,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:58,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:58,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:58,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:58,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:58,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:58,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:58,976 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-24 03:56:58,977 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-24 03:56:59,008 WARN L141 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size [2021-02-24 03:56:59,010 WARN L147 QuantifierPusher]: treesize reduction 7, result has 61.1 percent of original size 11 [2021-02-24 03:56:59,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:56:59,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:56:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:59,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:56:59,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:56:59,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:56:59,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:56:59,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:59,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:56:59,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:56:59,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:56:59,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:59,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:56:59,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:59,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:56:59,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:59,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:59,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2021-02-24 03:56:59,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,511 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:59,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:59,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:59,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2021-02-24 03:56:59,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:59,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:56:59,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:56:59,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:56:59,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:56:59,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:56:59,684 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 40 proven. 72 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-02-24 03:56:59,684 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979249828] [2021-02-24 03:56:59,684 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:56:59,685 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-24 03:56:59,685 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968298703] [2021-02-24 03:56:59,685 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-24 03:56:59,685 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:56:59,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-24 03:56:59,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2021-02-24 03:56:59,687 INFO L87 Difference]: Start difference. First operand 176 states and 334 transitions. Second operand 24 states. [2021-02-24 03:57:00,187 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:00,448 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 43 [2021-02-24 03:57:00,802 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-02-24 03:57:01,018 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2021-02-24 03:57:01,188 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 44 [2021-02-24 03:57:01,666 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 51 [2021-02-24 03:57:01,848 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2021-02-24 03:57:02,052 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 45 [2021-02-24 03:57:03,368 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:03,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:57:03,912 INFO L93 Difference]: Finished difference Result 346 states and 779 transitions. [2021-02-24 03:57:03,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-24 03:57:03,913 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 177 [2021-02-24 03:57:03,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:57:03,918 INFO L225 Difference]: With dead ends: 346 [2021-02-24 03:57:03,918 INFO L226 Difference]: Without dead ends: 191 [2021-02-24 03:57:03,925 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=450, Invalid=1806, Unknown=0, NotChecked=0, Total=2256 [2021-02-24 03:57:03,926 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states. [2021-02-24 03:57:03,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 176. [2021-02-24 03:57:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 176 states. [2021-02-24 03:57:03,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 301 transitions. [2021-02-24 03:57:03,979 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 301 transitions. Word has length 177 [2021-02-24 03:57:03,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:57:03,979 INFO L480 AbstractCegarLoop]: Abstraction has 176 states and 301 transitions. [2021-02-24 03:57:03,979 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-24 03:57:03,979 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 301 transitions. [2021-02-24 03:57:03,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2021-02-24 03:57:03,988 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:57:03,989 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 16, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:57:03,989 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 03:57:03,989 INFO L428 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:57:03,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:57:03,990 INFO L82 PathProgramCache]: Analyzing trace with hash -573730218, now seen corresponding path program 5 times [2021-02-24 03:57:03,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:57:03,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [310817577] [2021-02-24 03:57:03,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:57:03,996 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:57:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:57:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:57:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,416 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 03:57:04,417 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 03:57:04,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 03:57:04,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:04,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:04,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:57:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:04,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:04,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:04,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-24 03:57:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:04,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:04,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:04,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:04,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:04,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-24 03:57:04,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:04,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:04,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:05,019 INFO L134 CoverageAnalysis]: Checked inductivity of 538 backedges. 26 proven. 132 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2021-02-24 03:57:05,020 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [310817577] [2021-02-24 03:57:05,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:57:05,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-02-24 03:57:05,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [86293076] [2021-02-24 03:57:05,020 INFO L460 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-02-24 03:57:05,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:57:05,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-02-24 03:57:05,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=230, Unknown=0, NotChecked=0, Total=272 [2021-02-24 03:57:05,022 INFO L87 Difference]: Start difference. First operand 176 states and 301 transitions. Second operand 17 states. [2021-02-24 03:57:06,134 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:06,282 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:06,922 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:07,074 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:07,226 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:57:07,494 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:07,639 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:07,887 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2021-02-24 03:57:08,117 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:08,406 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:08,595 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-02-24 03:57:09,007 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:09,411 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2021-02-24 03:57:09,565 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:10,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:57:10,933 INFO L93 Difference]: Finished difference Result 455 states and 1172 transitions. [2021-02-24 03:57:10,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-02-24 03:57:10,934 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 282 [2021-02-24 03:57:10,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:57:10,944 INFO L225 Difference]: With dead ends: 455 [2021-02-24 03:57:10,944 INFO L226 Difference]: Without dead ends: 294 [2021-02-24 03:57:10,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 893 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=845, Invalid=2815, Unknown=0, NotChecked=0, Total=3660 [2021-02-24 03:57:10,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2021-02-24 03:57:10,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 136. [2021-02-24 03:57:11,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-02-24 03:57:11,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 186 transitions. [2021-02-24 03:57:11,002 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 186 transitions. Word has length 282 [2021-02-24 03:57:11,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:57:11,003 INFO L480 AbstractCegarLoop]: Abstraction has 136 states and 186 transitions. [2021-02-24 03:57:11,003 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2021-02-24 03:57:11,003 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 186 transitions. [2021-02-24 03:57:11,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2021-02-24 03:57:11,007 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:57:11,008 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 23, 13, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:57:11,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 03:57:11,008 INFO L428 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:57:11,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:57:11,009 INFO L82 PathProgramCache]: Analyzing trace with hash 465788811, now seen corresponding path program 6 times [2021-02-24 03:57:11,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:57:11,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1654255226] [2021-02-24 03:57:11,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:57:11,013 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:57:11,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,114 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:57:11,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:57:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:11,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:57:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,627 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,728 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 03:57:11,728 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 03:57:11,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 03:57:11,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:11,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:11,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:11,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:57:11,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,877 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:11,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-24 03:57:11,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:11,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:11,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:11,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:11,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:11,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:12,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:12,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:12,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:12,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:12,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:12,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:12,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:12,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:12,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:12,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:12,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:12,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:12,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:12,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:12,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:12,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:12,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:12,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:57:12,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:12,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:12,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:12,293 INFO L134 CoverageAnalysis]: Checked inductivity of 379 backedges. 93 proven. 69 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2021-02-24 03:57:12,294 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1654255226] [2021-02-24 03:57:12,294 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:57:12,294 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2021-02-24 03:57:12,295 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107768056] [2021-02-24 03:57:12,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-02-24 03:57:12,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:57:12,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-02-24 03:57:12,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2021-02-24 03:57:12,298 INFO L87 Difference]: Start difference. First operand 136 states and 186 transitions. Second operand 23 states. [2021-02-24 03:57:13,417 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:13,588 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:14,416 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:14,588 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:14,747 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:57:14,962 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:15,213 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:16,071 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:16,241 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:16,405 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:57:16,977 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-02-24 03:57:17,141 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:17,300 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:18,113 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:18,258 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:18,411 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:57:19,113 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-02-24 03:57:19,282 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:19,438 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:19,746 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:20,166 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:20,888 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-02-24 03:57:21,492 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2021-02-24 03:57:21,748 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:21,999 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:22,602 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:22,784 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:23,468 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2021-02-24 03:57:24,198 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:24,378 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-02-24 03:57:25,167 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-02-24 03:57:25,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:57:25,646 INFO L93 Difference]: Finished difference Result 393 states and 696 transitions. [2021-02-24 03:57:25,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 92 states. [2021-02-24 03:57:25,647 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 243 [2021-02-24 03:57:25,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:57:25,656 INFO L225 Difference]: With dead ends: 393 [2021-02-24 03:57:25,656 INFO L226 Difference]: Without dead ends: 278 [2021-02-24 03:57:25,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3716 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=2343, Invalid=10089, Unknown=0, NotChecked=0, Total=12432 [2021-02-24 03:57:25,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2021-02-24 03:57:25,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 166. [2021-02-24 03:57:25,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 166 states. [2021-02-24 03:57:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 247 transitions. [2021-02-24 03:57:25,721 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 247 transitions. Word has length 243 [2021-02-24 03:57:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:57:25,722 INFO L480 AbstractCegarLoop]: Abstraction has 166 states and 247 transitions. [2021-02-24 03:57:25,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2021-02-24 03:57:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 247 transitions. [2021-02-24 03:57:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2021-02-24 03:57:25,728 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:57:25,729 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 25, 14, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:57:25,729 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 03:57:25,729 INFO L428 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:57:25,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:57:25,730 INFO L82 PathProgramCache]: Analyzing trace with hash 437568672, now seen corresponding path program 7 times [2021-02-24 03:57:25,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:57:25,730 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816164381] [2021-02-24 03:57:25,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:57:25,733 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:57:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:25,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:25,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:25,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:25,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:25,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:57:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:25,873 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:25,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:25,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:57:25,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:25,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:25,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:25,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:25,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:25,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:25,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:25,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,048 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,089 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:57:26,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,178 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,343 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,394 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 03:57:26,395 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 03:57:26,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 03:57:26,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:26,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,473 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:26,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:26,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:26,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:57:26,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,548 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:26,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-24 03:57:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:26,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:26,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:57:26,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:26,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:57:26,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:26,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:26,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 463 backedges. 109 proven. 81 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-02-24 03:57:27,021 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816164381] [2021-02-24 03:57:27,021 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:57:27,021 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2021-02-24 03:57:27,021 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1152196459] [2021-02-24 03:57:27,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-02-24 03:57:27,022 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:57:27,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-02-24 03:57:27,023 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=475, Unknown=0, NotChecked=0, Total=552 [2021-02-24 03:57:27,023 INFO L87 Difference]: Start difference. First operand 166 states and 247 transitions. Second operand 24 states. [2021-02-24 03:57:28,204 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:29,145 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:29,315 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:29,473 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:57:29,714 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:29,941 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:30,803 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:30,971 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:31,133 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:57:31,718 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-02-24 03:57:31,884 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:32,034 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:32,811 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:32,975 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 41 [2021-02-24 03:57:33,133 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:57:33,828 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-02-24 03:57:33,994 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:34,150 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:34,566 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:34,888 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:35,574 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 43 [2021-02-24 03:57:36,060 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2021-02-24 03:57:36,214 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2021-02-24 03:57:36,386 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:36,544 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-02-24 03:57:36,695 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:36,842 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2021-02-24 03:57:37,580 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:37,750 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:38,778 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2021-02-24 03:57:39,857 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2021-02-24 03:57:40,036 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-02-24 03:57:40,628 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2021-02-24 03:57:41,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:57:41,119 INFO L93 Difference]: Finished difference Result 447 states and 847 transitions. [2021-02-24 03:57:41,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2021-02-24 03:57:41,120 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 262 [2021-02-24 03:57:41,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:57:41,129 INFO L225 Difference]: With dead ends: 447 [2021-02-24 03:57:41,129 INFO L226 Difference]: Without dead ends: 302 [2021-02-24 03:57:41,142 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4376 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=2641, Invalid=11639, Unknown=0, NotChecked=0, Total=14280 [2021-02-24 03:57:41,143 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 302 states. [2021-02-24 03:57:41,205 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 302 to 200. [2021-02-24 03:57:41,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2021-02-24 03:57:41,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 316 transitions. [2021-02-24 03:57:41,208 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 316 transitions. Word has length 262 [2021-02-24 03:57:41,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:57:41,209 INFO L480 AbstractCegarLoop]: Abstraction has 200 states and 316 transitions. [2021-02-24 03:57:41,209 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2021-02-24 03:57:41,209 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 316 transitions. [2021-02-24 03:57:41,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2021-02-24 03:57:41,216 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:57:41,216 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 27, 15, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:57:41,216 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-24 03:57:41,217 INFO L428 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:57:41,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:57:41,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1442041525, now seen corresponding path program 8 times [2021-02-24 03:57:41,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:57:41,218 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1450859814] [2021-02-24 03:57:41,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:57:41,221 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:57:41,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,335 WARN L141 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size [2021-02-24 03:57:41,336 WARN L147 QuantifierPusher]: treesize reduction 9, result has 43.8 percent of original size 7 [2021-02-24 03:57:41,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:57:41,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:57:41,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:57:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,582 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:41,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:57:41,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-24 03:57:41,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,669 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,670 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,817 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:41,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:41,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:41,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:41,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:42,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:42,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:42,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:42,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:42,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:42,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:42,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:42,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:42,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:42,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:42,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:42,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:42,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:42,363 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 03:57:42,364 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 03:57:42,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:57:42,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:42,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:42,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:42,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:42,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 03:57:42,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:42,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:42,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:42,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 03:57:42,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:57:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:42,615 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:42,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:42,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 03:57:42,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:57:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:42,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:42,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:42,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 03:57:42,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-24 03:57:42,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:42,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:42,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:42,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:42,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-24 03:57:42,860 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2021-02-24 03:57:42,860 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1450859814] [2021-02-24 03:57:42,860 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:57:42,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-24 03:57:42,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527244361] [2021-02-24 03:57:42,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-24 03:57:42,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:57:42,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-24 03:57:42,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=598, Unknown=0, NotChecked=0, Total=650 [2021-02-24 03:57:42,863 INFO L87 Difference]: Start difference. First operand 200 states and 316 transitions. Second operand 26 states. [2021-02-24 03:57:56,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:57:56,181 INFO L93 Difference]: Finished difference Result 683 states and 1160 transitions. [2021-02-24 03:57:56,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2021-02-24 03:57:56,182 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 281 [2021-02-24 03:57:56,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:57:56,200 INFO L225 Difference]: With dead ends: 683 [2021-02-24 03:57:56,200 INFO L226 Difference]: Without dead ends: 665 [2021-02-24 03:57:56,217 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 99 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2636 ImplicationChecksByTransitivity, 8.9s TimeCoverageRelationStatistics Valid=855, Invalid=9245, Unknown=0, NotChecked=0, Total=10100 [2021-02-24 03:57:56,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2021-02-24 03:57:56,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 348. [2021-02-24 03:57:56,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 348 states. [2021-02-24 03:57:56,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 348 states and 666 transitions. [2021-02-24 03:57:56,362 INFO L78 Accepts]: Start accepts. Automaton has 348 states and 666 transitions. Word has length 281 [2021-02-24 03:57:56,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:57:56,362 INFO L480 AbstractCegarLoop]: Abstraction has 348 states and 666 transitions. [2021-02-24 03:57:56,362 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-24 03:57:56,362 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 666 transitions. [2021-02-24 03:57:56,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2021-02-24 03:57:56,378 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:57:56,378 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 32, 18, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:57:56,379 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-24 03:57:56,379 INFO L428 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:57:56,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:57:56,379 INFO L82 PathProgramCache]: Analyzing trace with hash 1179742896, now seen corresponding path program 9 times [2021-02-24 03:57:56,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:57:56,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108339885] [2021-02-24 03:57:56,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:57:56,384 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:57:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:57:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:57:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,621 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,669 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,738 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:56,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:57:56,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,877 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,878 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:57:56,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:56,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:56,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:56,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:56,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:56,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:57:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,001 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:57,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:57,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2021-02-24 03:57:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:57,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:57,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:57:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-24 03:57:57,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:57,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:57,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:57,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:57,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:57,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:57,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:57,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:57:57,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:57:57,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-24 03:57:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-24 03:57:57,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:57,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:57,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:57,400 INFO L134 CoverageAnalysis]: Checked inductivity of 653 backedges. 46 proven. 176 refuted. 0 times theorem prover too weak. 431 trivial. 0 not checked. [2021-02-24 03:57:57,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108339885] [2021-02-24 03:57:57,401 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:57:57,401 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2021-02-24 03:57:57,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [236225089] [2021-02-24 03:57:57,402 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-24 03:57:57,402 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:57:57,402 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-24 03:57:57,402 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-02-24 03:57:57,402 INFO L87 Difference]: Start difference. First operand 348 states and 666 transitions. Second operand 13 states. [2021-02-24 03:57:58,166 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 37 [2021-02-24 03:57:58,600 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 36 [2021-02-24 03:57:59,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:57:59,081 INFO L93 Difference]: Finished difference Result 659 states and 1469 transitions. [2021-02-24 03:57:59,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 03:57:59,082 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 329 [2021-02-24 03:57:59,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:57:59,090 INFO L225 Difference]: With dead ends: 659 [2021-02-24 03:57:59,090 INFO L226 Difference]: Without dead ends: 332 [2021-02-24 03:57:59,104 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=106, Invalid=356, Unknown=0, NotChecked=0, Total=462 [2021-02-24 03:57:59,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-24 03:57:59,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 292. [2021-02-24 03:57:59,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-24 03:57:59,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 447 transitions. [2021-02-24 03:57:59,199 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 447 transitions. Word has length 329 [2021-02-24 03:57:59,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:57:59,199 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 447 transitions. [2021-02-24 03:57:59,200 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-24 03:57:59,200 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 447 transitions. [2021-02-24 03:57:59,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2021-02-24 03:57:59,206 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:57:59,206 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 29, 16, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:57:59,206 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-24 03:57:59,206 INFO L428 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:57:59,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:57:59,207 INFO L82 PathProgramCache]: Analyzing trace with hash 1767246410, now seen corresponding path program 10 times [2021-02-24 03:57:59,207 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:57:59,207 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [568139148] [2021-02-24 03:57:59,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:57:59,211 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:57:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:57:59,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:57:59,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:59,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:57:59,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,685 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,758 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 03:57:59,758 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 03:57:59,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 03:57:59,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:57:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:59,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:57:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:59,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:57:59,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:57:59,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-24 03:57:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:57:59,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:57:59,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:57:59,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:57:59,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:57:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:00,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,115 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:00,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:00,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:00,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:58:00,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:58:00,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:58:00,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-24 03:58:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-24 03:58:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:00,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:00,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:00,515 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 88 proven. 105 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2021-02-24 03:58:00,516 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [568139148] [2021-02-24 03:58:00,516 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:58:00,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2021-02-24 03:58:00,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076038732] [2021-02-24 03:58:00,530 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-02-24 03:58:00,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:58:00,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-02-24 03:58:00,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=562, Unknown=0, NotChecked=0, Total=650 [2021-02-24 03:58:00,531 INFO L87 Difference]: Start difference. First operand 292 states and 447 transitions. Second operand 26 states. [2021-02-24 03:58:05,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:58:05,067 INFO L93 Difference]: Finished difference Result 712 states and 1266 transitions. [2021-02-24 03:58:05,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-02-24 03:58:05,068 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 300 [2021-02-24 03:58:05,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:58:05,079 INFO L225 Difference]: With dead ends: 712 [2021-02-24 03:58:05,079 INFO L226 Difference]: Without dead ends: 318 [2021-02-24 03:58:05,088 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 900 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=597, Invalid=2943, Unknown=0, NotChecked=0, Total=3540 [2021-02-24 03:58:05,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-02-24 03:58:05,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 287. [2021-02-24 03:58:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-02-24 03:58:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 428 transitions. [2021-02-24 03:58:05,213 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 428 transitions. Word has length 300 [2021-02-24 03:58:05,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:58:05,217 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 428 transitions. [2021-02-24 03:58:05,217 INFO L481 AbstractCegarLoop]: Interpolant automaton has 26 states. [2021-02-24 03:58:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 428 transitions. [2021-02-24 03:58:05,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2021-02-24 03:58:05,226 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:58:05,226 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 31, 17, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:58:05,227 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-24 03:58:05,227 INFO L428 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:58:05,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:58:05,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1114859737, now seen corresponding path program 11 times [2021-02-24 03:58:05,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:58:05,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1356510511] [2021-02-24 03:58:05,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:58:05,232 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:58:05,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:58:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,368 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:58:05,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:05,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:05,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,509 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,565 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:05,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,629 WARN L141 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size [2021-02-24 03:58:05,630 WARN L147 QuantifierPusher]: treesize reduction 7, result has 50.0 percent of original size 7 [2021-02-24 03:58:05,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 03:58:05,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:05,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,710 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:58:05,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:58:05,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,799 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,800 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,802 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:05,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:05,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:05,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:05,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:05,968 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,969 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:05,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:05,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:06,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:58:06,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,021 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:58:06,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:58:06,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-24 03:58:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:06,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,108 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:06,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:06,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:06,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,137 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:58:06,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:58:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:58:06,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-24 03:58:06,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-24 03:58:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:06,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:06,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:06,346 INFO L134 CoverageAnalysis]: Checked inductivity of 631 backedges. 1 proven. 173 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2021-02-24 03:58:06,346 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1356510511] [2021-02-24 03:58:06,347 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:58:06,347 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2021-02-24 03:58:06,347 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793304888] [2021-02-24 03:58:06,347 INFO L460 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-02-24 03:58:06,347 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:58:06,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-02-24 03:58:06,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-02-24 03:58:06,348 INFO L87 Difference]: Start difference. First operand 287 states and 428 transitions. Second operand 19 states. [2021-02-24 03:58:09,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:58:09,218 INFO L93 Difference]: Finished difference Result 551 states and 901 transitions. [2021-02-24 03:58:09,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-24 03:58:09,219 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 319 [2021-02-24 03:58:09,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:58:09,227 INFO L225 Difference]: With dead ends: 551 [2021-02-24 03:58:09,227 INFO L226 Difference]: Without dead ends: 290 [2021-02-24 03:58:09,232 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=300, Invalid=1340, Unknown=0, NotChecked=0, Total=1640 [2021-02-24 03:58:09,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2021-02-24 03:58:09,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 287. [2021-02-24 03:58:09,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2021-02-24 03:58:09,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 424 transitions. [2021-02-24 03:58:09,318 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 424 transitions. Word has length 319 [2021-02-24 03:58:09,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:58:09,319 INFO L480 AbstractCegarLoop]: Abstraction has 287 states and 424 transitions. [2021-02-24 03:58:09,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2021-02-24 03:58:09,319 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 424 transitions. [2021-02-24 03:58:09,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 425 [2021-02-24 03:58:09,323 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:58:09,323 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 42, 23, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:58:09,323 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-24 03:58:09,323 INFO L428 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:58:09,324 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:58:09,324 INFO L82 PathProgramCache]: Analyzing trace with hash 214341815, now seen corresponding path program 12 times [2021-02-24 03:58:09,324 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:58:09,324 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717255156] [2021-02-24 03:58:09,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:58:09,329 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:58:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:09,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:58:09,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:58:09,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,618 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:09,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,629 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:09,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:09,704 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,705 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:09,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,751 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:09,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:09,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:09,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:09,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:09,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:58:09,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:09,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:58:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:58:09,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-02-24 03:58:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:58:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:58:09,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:09,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:58:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:09,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:09,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-24 03:58:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 261 [2021-02-24 03:58:10,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:10,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:10,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:10,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:10,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:10,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:10,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:10,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:58:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:58:10,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:58:10,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-24 03:58:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-24 03:58:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:10,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:10,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:10,405 INFO L134 CoverageAnalysis]: Checked inductivity of 1257 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1256 trivial. 0 not checked. [2021-02-24 03:58:10,406 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717255156] [2021-02-24 03:58:10,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:58:10,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2021-02-24 03:58:10,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463721935] [2021-02-24 03:58:10,408 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 03:58:10,408 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:58:10,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 03:58:10,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2021-02-24 03:58:10,409 INFO L87 Difference]: Start difference. First operand 287 states and 424 transitions. Second operand 9 states. [2021-02-24 03:58:11,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:58:11,373 INFO L93 Difference]: Finished difference Result 293 states and 429 transitions. [2021-02-24 03:58:11,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-24 03:58:11,374 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 424 [2021-02-24 03:58:11,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:58:11,381 INFO L225 Difference]: With dead ends: 293 [2021-02-24 03:58:11,381 INFO L226 Difference]: Without dead ends: 287 [2021-02-24 03:58:11,383 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=63, Invalid=177, Unknown=0, NotChecked=0, Total=240 [2021-02-24 03:58:11,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2021-02-24 03:58:11,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 263. [2021-02-24 03:58:11,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2021-02-24 03:58:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 368 transitions. [2021-02-24 03:58:11,455 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 368 transitions. Word has length 424 [2021-02-24 03:58:11,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:58:11,456 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 368 transitions. [2021-02-24 03:58:11,456 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 03:58:11,456 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 368 transitions. [2021-02-24 03:58:11,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 435 [2021-02-24 03:58:11,460 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:58:11,460 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 43, 24, 19, 19, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:58:11,461 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-24 03:58:11,461 INFO L428 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:58:11,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:58:11,461 INFO L82 PathProgramCache]: Analyzing trace with hash 200481060, now seen corresponding path program 13 times [2021-02-24 03:58:11,461 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:58:11,462 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1510630704] [2021-02-24 03:58:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:58:11,467 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:58:11,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:11,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:11,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:11,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:58:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:11,638 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,639 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:11,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:58:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:11,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:58:11,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:11,842 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,844 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:58:11,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:11,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:11,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:11,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:58:11,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:11,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:11,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:11,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:11,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:11,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:58:11,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:11,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:12,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:12,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:12,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:12,024 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,025 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:58:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2021-02-24 03:58:12,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:12,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:58:12,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:58:12,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2021-02-24 03:58:12,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:12,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:58:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:58:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:58:12,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 252 [2021-02-24 03:58:12,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,373 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2021-02-24 03:58:12,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2021-02-24 03:58:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2021-02-24 03:58:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2021-02-24 03:58:12,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-24 03:58:12,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-24 03:58:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2021-02-24 03:58:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:58:12,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:58:12,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:58:12,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:58:12,826 INFO L134 CoverageAnalysis]: Checked inductivity of 1072 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 1015 trivial. 0 not checked. [2021-02-24 03:58:12,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1510630704] [2021-02-24 03:58:12,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:58:12,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-24 03:58:12,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620697266] [2021-02-24 03:58:12,828 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-24 03:58:12,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:58:12,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-24 03:58:12,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2021-02-24 03:58:12,829 INFO L87 Difference]: Start difference. First operand 263 states and 368 transitions. Second operand 12 states. [2021-02-24 03:58:14,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:58:14,216 INFO L93 Difference]: Finished difference Result 487 states and 766 transitions. [2021-02-24 03:58:14,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-24 03:58:14,217 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 434 [2021-02-24 03:58:14,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:58:14,222 INFO L225 Difference]: With dead ends: 487 [2021-02-24 03:58:14,222 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 03:58:14,230 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=95, Invalid=285, Unknown=0, NotChecked=0, Total=380 [2021-02-24 03:58:14,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 03:58:14,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 03:58:14,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 03:58:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 03:58:14,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 434 [2021-02-24 03:58:14,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:58:14,231 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 03:58:14,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-24 03:58:14,232 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 03:58:14,232 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 03:58:14,232 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-02-24 03:58:14,234 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 03:58:22,253 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 102 [2021-02-24 03:58:22,574 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 92 [2021-02-24 03:58:25,050 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-02-24 03:58:25,288 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 119 [2021-02-24 03:58:28,225 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 121 [2021-02-24 03:58:30,134 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-24 03:58:30,288 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-24 03:58:30,424 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:30,731 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:30,845 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:58:31,021 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:31,231 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:58:31,342 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:31,476 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:31,648 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:31,866 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:58:32,035 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:32,205 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:32,409 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:32,526 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-24 03:58:32,790 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:32,924 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:33,179 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-24 03:58:33,307 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:33,481 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-24 03:58:33,797 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:34,035 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:58:34,139 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-24 03:58:34,291 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:34,403 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:34,607 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:58:34,810 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:58:34,927 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:35,067 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:35,408 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-24 03:58:35,605 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-24 03:58:35,801 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-24 03:58:35,961 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-24 03:58:36,079 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:58:36,389 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:36,577 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:36,710 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:36,839 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-24 03:58:36,983 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 133 [2021-02-24 03:58:37,102 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:37,228 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-02-24 03:58:37,464 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2021-02-24 03:58:37,856 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 165 [2021-02-24 03:58:38,002 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:38,151 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:38,375 WARN L202 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-24 03:58:38,569 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 152 [2021-02-24 03:58:38,731 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:38,869 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:39,163 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:58:39,304 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:39,407 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-24 03:58:39,559 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:39,664 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-24 03:58:39,856 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:40,013 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 123 [2021-02-24 03:58:40,131 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:58:40,363 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-24 03:58:40,499 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:40,634 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:40,769 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 125 [2021-02-24 03:58:40,934 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:41,129 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-24 03:58:41,362 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:41,515 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:41,665 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:41,969 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-24 03:58:42,100 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2021-02-24 03:58:42,227 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:42,428 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:58:42,994 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:58:43,152 WARN L202 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:43,321 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:43,491 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-24 03:58:43,627 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:43,741 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2021-02-24 03:58:43,952 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:44,095 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:44,235 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:44,366 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:44,507 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:44,650 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:44,850 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:45,025 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:45,142 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-24 03:58:45,356 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-24 03:58:45,467 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-24 03:58:45,607 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 117 [2021-02-24 03:58:45,941 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-24 03:58:46,077 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-24 03:58:46,230 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:46,439 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-24 03:58:46,649 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:58:46,784 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:46,999 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:47,146 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-24 03:58:47,358 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-24 03:58:47,473 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:58:47,586 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:58:47,787 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:58:48,029 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:48,170 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:48,276 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-24 03:58:48,581 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:48,726 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:49,019 WARN L202 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-24 03:58:49,220 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-24 03:58:49,413 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:49,653 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2021-02-24 03:58:49,782 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:49,954 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-24 03:58:50,117 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-24 03:58:50,250 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:50,567 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:50,682 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:58:50,862 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:51,066 WARN L202 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:58:51,180 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:51,315 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:51,485 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:51,712 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:58:51,887 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:52,057 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:52,261 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:52,381 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-24 03:58:52,642 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:52,773 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:53,030 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-24 03:58:53,167 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:53,337 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 122 [2021-02-24 03:58:53,663 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:53,904 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:58:54,008 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-24 03:58:54,170 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:54,292 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:54,500 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:58:54,712 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:58:54,827 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:54,966 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:55,304 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-24 03:58:55,467 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-24 03:58:55,656 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-24 03:58:55,820 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 136 [2021-02-24 03:58:55,936 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:58:56,245 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:56,426 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:56,556 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:56,682 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-24 03:58:56,820 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 133 [2021-02-24 03:58:56,939 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:58:57,055 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 122 [2021-02-24 03:58:57,288 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 162 [2021-02-24 03:58:57,684 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 165 [2021-02-24 03:58:57,817 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:58:57,951 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:58,163 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-24 03:58:58,347 WARN L202 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 152 [2021-02-24 03:58:58,507 WARN L202 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:58:58,639 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:58:58,921 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:58:59,060 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:59,162 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-24 03:58:59,303 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:58:59,581 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:58:59,720 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 123 [2021-02-24 03:58:59,833 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:58:59,936 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-24 03:59:00,197 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:59:00,336 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:59:00,476 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 125 [2021-02-24 03:59:00,651 WARN L202 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:59:00,843 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 137 [2021-02-24 03:59:01,073 WARN L202 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:59:01,226 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:59:01,387 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:59:01,687 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-24 03:59:01,818 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 136 [2021-02-24 03:59:01,948 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:59:02,155 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:59:02,721 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:59:02,885 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:59:03,029 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 121 [2021-02-24 03:59:03,202 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 130 [2021-02-24 03:59:03,334 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:59:03,444 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2021-02-24 03:59:03,662 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:59:03,798 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:59:03,935 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:59:04,065 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:59:04,205 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:59:04,350 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:59:04,551 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:59:04,722 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:59:04,839 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-24 03:59:05,051 WARN L202 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-24 03:59:05,165 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 112 [2021-02-24 03:59:05,305 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 117 [2021-02-24 03:59:05,408 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-24 03:59:05,523 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 117 [2021-02-24 03:59:05,648 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 115 [2021-02-24 03:59:05,787 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-24 03:59:05,950 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 139 [2021-02-24 03:59:06,167 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-24 03:59:06,383 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 142 [2021-02-24 03:59:06,515 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:59:06,739 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:59:06,886 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 132 [2021-02-24 03:59:07,104 WARN L202 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 144 [2021-02-24 03:59:07,220 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:59:07,337 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 124 [2021-02-24 03:59:07,547 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 152 [2021-02-24 03:59:07,790 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 131 [2021-02-24 03:59:07,932 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:59:08,200 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 113 [2021-02-24 03:59:08,338 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:59:08,483 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 121 [2021-02-24 03:59:08,793 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 141 [2021-02-24 03:59:09,008 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 154 [2021-02-24 03:59:09,201 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 128 [2021-02-24 03:59:09,444 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 122 [2021-02-24 03:59:09,576 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 128 [2021-02-24 03:59:10,275 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-24 03:59:10,606 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-24 03:59:11,039 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 03:59:11,599 WARN L202 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-02-24 03:59:11,800 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 03:59:12,097 WARN L202 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 03:59:12,327 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 03:59:12,585 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 03:59:12,976 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 03:59:13,420 WARN L202 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 03:59:13,800 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 03:59:14,230 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 03:59:14,573 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-24 03:59:15,320 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 03:59:15,663 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-24 03:59:16,015 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-24 03:59:16,265 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 03:59:16,687 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:16,913 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-24 03:59:17,171 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 03:59:17,433 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 03:59:17,701 WARN L202 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 03:59:17,941 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 03:59:18,539 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-24 03:59:18,792 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 03:59:19,449 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-24 03:59:20,000 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-02-24 03:59:20,422 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2021-02-24 03:59:20,685 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 03:59:21,122 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:21,987 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 03:59:22,176 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 03:59:22,472 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 03:59:22,844 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 03:59:23,288 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 03:59:23,710 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 03:59:24,090 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 03:59:24,519 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:24,766 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 03:59:25,016 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 03:59:25,341 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-24 03:59:25,671 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-24 03:59:26,541 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-24 03:59:26,861 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-24 03:59:27,093 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 03:59:27,290 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 03:59:27,561 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 03:59:28,009 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:28,365 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 03:59:28,636 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 03:59:28,891 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-24 03:59:29,168 WARN L202 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 157 [2021-02-24 03:59:29,554 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 03:59:29,941 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2021-02-24 03:59:30,898 WARN L202 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 240 [2021-02-24 03:59:32,637 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 436 DAG size of output: 280 [2021-02-24 03:59:33,067 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 03:59:33,498 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:34,276 WARN L202 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-24 03:59:34,695 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 202 [2021-02-24 03:59:34,981 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 03:59:35,228 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 03:59:35,721 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 161 [2021-02-24 03:59:36,496 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 03:59:36,913 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:37,163 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 03:59:37,623 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:37,832 WARN L202 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 03:59:37,934 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 107 [2021-02-24 03:59:38,189 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 154 [2021-02-24 03:59:38,939 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 209 [2021-02-24 03:59:39,157 WARN L202 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 03:59:39,364 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 03:59:39,637 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 03:59:40,059 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:40,484 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:40,769 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 151 [2021-02-24 03:59:41,080 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-24 03:59:41,895 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 221 [2021-02-24 03:59:42,471 WARN L202 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-02-24 03:59:42,885 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:43,173 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-24 03:59:43,453 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 03:59:43,589 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 120 [2021-02-24 03:59:44,104 WARN L202 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-24 03:59:44,707 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 193 [2021-02-24 03:59:44,943 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 03:59:45,361 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 03:59:45,542 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 143 [2021-02-24 03:59:45,781 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-24 03:59:46,034 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-24 03:59:46,292 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 03:59:46,557 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 03:59:47,303 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 03:59:47,592 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-24 03:59:48,006 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 03:59:48,312 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-24 03:59:48,585 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-24 03:59:49,014 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 03:59:49,399 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 159 [2021-02-24 03:59:49,888 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 139 [2021-02-24 03:59:50,127 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 03:59:50,553 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:50,964 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:51,224 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 03:59:51,479 WARN L202 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 03:59:51,899 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:52,019 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 120 [2021-02-24 03:59:52,444 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 03:59:52,783 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-24 03:59:53,153 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-24 03:59:53,889 WARN L202 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-24 03:59:54,253 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-24 03:59:55,015 WARN L202 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 216 [2021-02-24 03:59:55,221 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 03:59:55,455 WARN L202 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 03:59:55,691 WARN L202 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-24 03:59:56,125 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-24 03:59:56,403 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 03:59:56,892 WARN L202 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-24 03:59:57,630 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 03:59:58,046 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 03:59:58,249 WARN L202 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 152 [2021-02-24 03:59:58,677 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 03:59:59,128 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-24 03:59:59,880 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-24 04:00:00,111 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 04:00:00,332 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 04:00:00,759 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 04:00:00,978 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 04:00:01,413 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:01,678 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:00:01,870 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 04:00:02,119 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 04:00:02,316 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 04:00:02,741 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:00:03,203 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:00:03,474 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 04:00:04,611 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-24 04:00:05,109 WARN L202 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-24 04:00:05,359 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-24 04:00:05,629 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 04:00:06,033 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 142 [2021-02-24 04:00:06,299 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 04:00:06,745 WARN L202 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2021-02-24 04:00:06,987 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:00:07,647 WARN L202 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-24 04:00:07,985 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-24 04:00:08,407 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:00:08,935 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-02-24 04:00:09,126 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 04:00:09,413 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 04:00:09,634 WARN L202 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 04:00:09,895 WARN L202 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 04:00:10,282 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 04:00:10,724 WARN L202 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 04:00:11,097 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 04:00:11,525 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:00:11,873 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-24 04:00:12,633 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 04:00:12,980 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-24 04:00:13,326 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-24 04:00:13,577 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 04:00:13,997 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:14,223 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-24 04:00:14,489 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 04:00:14,753 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 04:00:15,020 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 04:00:15,267 WARN L202 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:00:15,851 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-24 04:00:16,087 WARN L202 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:00:16,734 WARN L202 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 188 [2021-02-24 04:00:17,274 WARN L202 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 164 [2021-02-24 04:00:17,686 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 144 [2021-02-24 04:00:17,952 WARN L202 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 04:00:18,377 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:19,211 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 04:00:19,399 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 04:00:19,682 WARN L202 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 04:00:20,043 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 04:00:20,478 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 04:00:20,899 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 04:00:21,265 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 04:00:21,685 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:21,924 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 04:00:22,172 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 04:00:22,502 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-24 04:00:22,886 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-24 04:00:23,713 WARN L202 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-24 04:00:24,044 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 159 [2021-02-24 04:00:24,276 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 04:00:24,472 WARN L202 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 04:00:24,741 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 04:00:25,178 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:25,556 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 04:00:25,832 WARN L202 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 04:00:26,083 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-24 04:00:26,359 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 157 [2021-02-24 04:00:26,729 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 04:00:27,124 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 162 [2021-02-24 04:00:28,067 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 240 [2021-02-24 04:00:29,767 WARN L202 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 436 DAG size of output: 280 [2021-02-24 04:00:30,192 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:00:30,611 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:31,349 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-24 04:00:31,757 WARN L202 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 202 [2021-02-24 04:00:32,031 WARN L202 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 04:00:32,268 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:00:32,757 WARN L202 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 161 [2021-02-24 04:00:33,533 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 04:00:33,965 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:34,176 WARN L202 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 04:00:34,599 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:34,806 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 04:00:34,910 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 107 [2021-02-24 04:00:35,162 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 154 [2021-02-24 04:00:35,920 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 209 [2021-02-24 04:00:36,145 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 04:00:36,360 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 04:00:36,627 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 04:00:37,051 WARN L202 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:37,480 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:37,765 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 151 [2021-02-24 04:00:38,092 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-24 04:00:38,934 WARN L202 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 221 [2021-02-24 04:00:39,541 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 155 [2021-02-24 04:00:39,972 WARN L202 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:40,261 WARN L202 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-24 04:00:40,533 WARN L202 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 04:00:40,667 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 120 [2021-02-24 04:00:41,193 WARN L202 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-24 04:00:41,804 WARN L202 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 193 [2021-02-24 04:00:42,044 WARN L202 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:00:42,460 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 04:00:42,648 WARN L202 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 143 [2021-02-24 04:00:42,887 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-24 04:00:43,135 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 133 [2021-02-24 04:00:43,393 WARN L202 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 04:00:43,665 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 04:00:44,425 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 04:00:44,712 WARN L202 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 150 [2021-02-24 04:00:45,122 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 160 [2021-02-24 04:00:45,431 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-24 04:00:45,707 WARN L202 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 154 [2021-02-24 04:00:46,144 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:00:46,525 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 159 [2021-02-24 04:00:47,003 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 139 [2021-02-24 04:00:47,248 WARN L202 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:00:47,670 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:48,104 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:48,371 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 04:00:48,627 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:00:49,065 WARN L202 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:49,190 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 120 [2021-02-24 04:00:49,619 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:49,976 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 164 [2021-02-24 04:00:50,362 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-24 04:00:51,128 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-24 04:00:51,517 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 157 [2021-02-24 04:00:52,276 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 216 [2021-02-24 04:00:52,483 WARN L202 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 04:00:52,725 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 04:00:52,968 WARN L202 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 123 [2021-02-24 04:00:53,413 WARN L202 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-24 04:00:53,710 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 149 [2021-02-24 04:00:54,207 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-24 04:00:54,991 WARN L202 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 205 [2021-02-24 04:00:55,448 WARN L202 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:00:55,664 WARN L202 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 152 [2021-02-24 04:00:56,104 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:00:56,589 WARN L202 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 174 [2021-02-24 04:00:57,400 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 206 [2021-02-24 04:00:57,631 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 04:00:57,865 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 136 [2021-02-24 04:00:58,326 WARN L202 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 180 [2021-02-24 04:00:58,552 WARN L202 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 142 [2021-02-24 04:00:58,973 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 172 [2021-02-24 04:00:59,241 WARN L202 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:00:59,432 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 04:00:59,679 WARN L202 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 04:00:59,872 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 122 [2021-02-24 04:01:00,301 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:01:00,758 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 168 [2021-02-24 04:01:01,044 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 136 [2021-02-24 04:01:02,007 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 306 DAG size of output: 227 [2021-02-24 04:01:02,536 WARN L202 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 193 [2021-02-24 04:01:02,791 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 133 [2021-02-24 04:01:03,063 WARN L202 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 144 [2021-02-24 04:01:03,468 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 142 [2021-02-24 04:01:03,730 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 136 [2021-02-24 04:01:04,174 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 170 [2021-02-24 04:01:04,417 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 139 [2021-02-24 04:01:04,785 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 189 [2021-02-24 04:01:04,931 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-24 04:01:05,186 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:05,416 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 145 [2021-02-24 04:01:05,522 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:05,671 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-24 04:01:05,786 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-24 04:01:05,946 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-24 04:01:06,180 WARN L202 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-24 04:01:06,357 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-24 04:01:06,600 WARN L202 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-24 04:01:06,860 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:07,014 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-24 04:01:07,412 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-24 04:01:07,565 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-24 04:01:07,718 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-24 04:01:07,879 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-24 04:01:08,145 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:08,264 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2021-02-24 04:01:08,438 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-24 04:01:08,605 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-24 04:01:08,732 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-24 04:01:08,858 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-24 04:01:09,154 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-24 04:01:09,286 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-24 04:01:09,637 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 189 [2021-02-24 04:01:09,882 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 149 [2021-02-24 04:01:10,066 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 129 [2021-02-24 04:01:10,247 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-24 04:01:10,500 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:10,955 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-24 04:01:11,068 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:11,211 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-24 04:01:11,441 WARN L202 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-24 04:01:11,615 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-24 04:01:11,787 WARN L202 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-24 04:01:12,026 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-24 04:01:12,290 WARN L202 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:12,428 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:12,588 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-24 04:01:12,731 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-24 04:01:12,884 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-24 04:01:13,317 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 174 [2021-02-24 04:01:13,462 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 111 [2021-02-24 04:01:13,578 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-24 04:01:13,684 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:13,860 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-24 04:01:14,118 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:14,316 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-24 04:01:14,444 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-24 04:01:14,566 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 97 [2021-02-24 04:01:14,695 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 99 [2021-02-24 04:01:14,932 WARN L202 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-24 04:01:15,175 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2021-02-24 04:01:15,644 WARN L202 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 184 [2021-02-24 04:01:16,540 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 184 [2021-02-24 04:01:16,795 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:17,046 WARN L202 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:17,425 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2021-02-24 04:01:17,591 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 151 [2021-02-24 04:01:17,730 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-24 04:01:17,856 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-24 04:01:18,048 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 139 [2021-02-24 04:01:18,453 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-24 04:01:18,706 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:18,810 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:19,061 WARN L202 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:19,165 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:19,340 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 89 [2021-02-24 04:01:19,731 WARN L202 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 166 [2021-02-24 04:01:19,848 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-24 04:01:19,955 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:20,112 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:20,374 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:20,629 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:20,783 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 89 [2021-02-24 04:01:20,944 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 102 [2021-02-24 04:01:21,388 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 170 [2021-02-24 04:01:21,681 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 139 [2021-02-24 04:01:21,938 WARN L202 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:22,085 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 102 [2021-02-24 04:01:22,228 WARN L202 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-24 04:01:22,530 WARN L202 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-24 04:01:22,770 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 155 [2021-02-24 04:01:22,908 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-24 04:01:23,082 WARN L202 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-24 04:01:23,302 WARN L202 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-24 04:01:23,478 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-24 04:01:23,647 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-24 04:01:23,833 WARN L202 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-24 04:01:24,232 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-24 04:01:24,378 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 102 [2021-02-24 04:01:24,649 WARN L202 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-24 04:01:24,767 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 112 [2021-02-24 04:01:24,912 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 97 [2021-02-24 04:01:25,165 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:25,405 WARN L202 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 132 [2021-02-24 04:01:25,634 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2021-02-24 04:01:25,762 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-24 04:01:26,017 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:26,271 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:26,398 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-24 04:01:26,538 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-24 04:01:26,794 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:27,106 WARN L202 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:27,255 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 111 [2021-02-24 04:01:27,495 WARN L202 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-24 04:01:27,871 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2021-02-24 04:01:28,104 WARN L202 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 131 [2021-02-24 04:01:28,452 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 181 [2021-02-24 04:01:28,564 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:28,696 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:28,829 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 82 [2021-02-24 04:01:29,096 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-24 04:01:29,237 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 100 [2021-02-24 04:01:29,433 WARN L202 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-24 04:01:29,831 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 200 [2021-02-24 04:01:30,094 WARN L202 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:30,196 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 133 [2021-02-24 04:01:30,453 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:30,739 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-24 04:01:31,138 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 202 [2021-02-24 04:01:31,258 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-24 04:01:31,373 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 84 [2021-02-24 04:01:31,545 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 120 [2021-02-24 04:01:31,660 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:31,923 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:32,068 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-24 04:01:32,174 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:32,336 WARN L202 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-24 04:01:32,440 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 84 [2021-02-24 04:01:32,696 WARN L202 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:32,977 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 133 [2021-02-24 04:01:33,160 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-24 04:01:33,657 WARN L202 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 174 [2021-02-24 04:01:33,862 WARN L202 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-02-24 04:01:34,025 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 116 [2021-02-24 04:01:34,153 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 84 [2021-02-24 04:01:34,327 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 127 [2021-02-24 04:01:34,498 WARN L202 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 117 [2021-02-24 04:01:34,764 WARN L202 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 134 [2021-02-24 04:01:34,893 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 88 [2021-02-24 04:01:37,732 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 117 [2021-02-24 04:01:37,966 WARN L202 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 129 [2021-02-24 04:01:40,449 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 113 [2021-02-24 04:01:43,972 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-24 04:01:44,522 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 104 [2021-02-24 04:01:44,763 WARN L202 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 119 [2021-02-24 04:01:45,900 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 92 [2021-02-24 04:01:47,738 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 121 [2021-02-24 04:01:48,953 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 92 [2021-02-24 04:01:49,629 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 11 [2021-02-24 04:01:50,618 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2021-02-24 04:01:51,582 WARN L202 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 26 [2021-02-24 04:01:52,682 WARN L202 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2021-02-24 04:01:53,177 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 10 [2021-02-24 04:01:53,423 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 18 [2021-02-24 04:01:53,681 WARN L202 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 7 [2021-02-24 04:01:53,909 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-24 04:01:54,133 WARN L202 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 14 [2021-02-24 04:02:01,313 WARN L202 SmtUtils]: Spent 7.17 s on a formula simplification. DAG size of input: 259 DAG size of output: 75 [2021-02-24 04:02:01,783 WARN L202 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 10 [2021-02-24 04:02:14,340 WARN L202 SmtUtils]: Spent 12.53 s on a formula simplification. DAG size of input: 514 DAG size of output: 62 [2021-02-24 04:02:27,031 WARN L202 SmtUtils]: Spent 12.66 s on a formula simplification. DAG size of input: 514 DAG size of output: 62 [2021-02-24 04:02:45,837 WARN L202 SmtUtils]: Spent 18.78 s on a formula simplification. DAG size of input: 872 DAG size of output: 80 [2021-02-24 04:03:04,794 WARN L202 SmtUtils]: Spent 18.93 s on a formula simplification. DAG size of input: 872 DAG size of output: 80 [2021-02-24 04:03:18,747 WARN L202 SmtUtils]: Spent 13.94 s on a formula simplification. DAG size of input: 528 DAG size of output: 83 [2021-02-24 04:03:18,983 WARN L202 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 3 [2021-02-24 04:03:19,228 WARN L202 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 15 [2021-02-24 04:03:19,788 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 9 [2021-02-24 04:03:27,003 WARN L202 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 257 DAG size of output: 69 [2021-02-24 04:03:34,452 WARN L202 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 259 DAG size of output: 75 [2021-02-24 04:03:34,472 INFO L189 CegarLoopUtils]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2021-02-24 04:03:34,472 INFO L189 CegarLoopUtils]: For program point reach_errorENTRY(line 3) no Hoare annotation was computed. [2021-02-24 04:03:34,472 INFO L189 CegarLoopUtils]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2021-02-24 04:03:34,472 INFO L192 CegarLoopUtils]: At program point L3-2(line 3) the Hoare annotation is: true [2021-02-24 04:03:34,472 INFO L192 CegarLoopUtils]: At program point L3-3(line 3) the Hoare annotation is: true [2021-02-24 04:03:34,473 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:03:34,473 INFO L192 CegarLoopUtils]: At program point L3-4(line 3) the Hoare annotation is: true [2021-02-24 04:03:34,473 INFO L192 CegarLoopUtils]: At program point L-1-1(line -1) the Hoare annotation is: true [2021-02-24 04:03:34,473 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initFINAL(line 3) the Hoare annotation is: true [2021-02-24 04:03:34,473 INFO L185 CegarLoopUtils]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |old(#length)| |#length|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(#valid)| |#valid|)) [2021-02-24 04:03:34,473 INFO L192 CegarLoopUtils]: At program point L3(line 3) the Hoare annotation is: true [2021-02-24 04:03:34,473 INFO L192 CegarLoopUtils]: At program point L3-1(line 3) the Hoare annotation is: true [2021-02-24 04:03:34,473 INFO L192 CegarLoopUtils]: At program point ULTIMATE.initEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:03:34,473 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2021-02-24 04:03:34,474 INFO L192 CegarLoopUtils]: At program point L-1(line -1) the Hoare annotation is: true [2021-02-24 04:03:34,474 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2021-02-24 04:03:34,474 INFO L192 CegarLoopUtils]: At program point ULTIMATE.startFINAL(line -1) the Hoare annotation is: true [2021-02-24 04:03:34,474 INFO L192 CegarLoopUtils]: At program point L29(lines 29 33) the Hoare annotation is: true [2021-02-24 04:03:34,474 INFO L192 CegarLoopUtils]: At program point mainEXIT(lines 27 47) the Hoare annotation is: true [2021-02-24 04:03:34,474 INFO L192 CegarLoopUtils]: At program point mainFINAL(lines 27 47) the Hoare annotation is: true [2021-02-24 04:03:34,474 INFO L185 CegarLoopUtils]: At program point L42(lines 42 46) the Hoare annotation is: (or (<= 3 main_~m~0) (and (< 6 main_~result~0) (<= main_~result~0 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-24 04:03:34,474 INFO L192 CegarLoopUtils]: At program point L34(line 34) the Hoare annotation is: true [2021-02-24 04:03:34,475 INFO L192 CegarLoopUtils]: At program point L34-1(line 34) the Hoare annotation is: true [2021-02-24 04:03:34,475 INFO L192 CegarLoopUtils]: At program point L32(line 32) the Hoare annotation is: true [2021-02-24 04:03:34,475 INFO L192 CegarLoopUtils]: At program point L34-2(line 34) the Hoare annotation is: true [2021-02-24 04:03:34,475 INFO L185 CegarLoopUtils]: At program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 45) the Hoare annotation is: false [2021-02-24 04:03:34,475 INFO L192 CegarLoopUtils]: At program point mainENTRY(lines 27 47) the Hoare annotation is: true [2021-02-24 04:03:34,475 INFO L192 CegarLoopUtils]: At program point L28(line 28) the Hoare annotation is: true [2021-02-24 04:03:34,475 INFO L192 CegarLoopUtils]: At program point L28-1(line 28) the Hoare annotation is: true [2021-02-24 04:03:34,475 INFO L185 CegarLoopUtils]: At program point L45(line 45) the Hoare annotation is: false [2021-02-24 04:03:34,476 INFO L185 CegarLoopUtils]: At program point L45-1(line 45) the Hoare annotation is: false [2021-02-24 04:03:34,476 INFO L192 CegarLoopUtils]: At program point L43(line 43) the Hoare annotation is: true [2021-02-24 04:03:34,476 INFO L192 CegarLoopUtils]: At program point L41(line 41) the Hoare annotation is: true [2021-02-24 04:03:34,476 INFO L185 CegarLoopUtils]: At program point L41-1(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-24 04:03:34,476 INFO L192 CegarLoopUtils]: At program point L39(line 39) the Hoare annotation is: true [2021-02-24 04:03:34,476 INFO L185 CegarLoopUtils]: At program point L41-2(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-24 04:03:34,477 INFO L185 CegarLoopUtils]: At program point L41-3(line 41) the Hoare annotation is: (or (<= 3 main_~m~0) (and (<= 7 |main_#t~ret12|) (<= |main_#t~ret12| 7) (< 6 main_~result~0) (<= main_~result~0 7)) (<= main_~m~0 1) (<= 3 main_~n~0) (<= main_~n~0 1)) [2021-02-24 04:03:34,477 INFO L192 CegarLoopUtils]: At program point L35(lines 35 40) the Hoare annotation is: true [2021-02-24 04:03:34,477 INFO L185 CegarLoopUtils]: At program point ackermannEXIT(lines 16 24) the Hoare annotation is: (let ((.cse10 (<= 3 ackermann_~m)) (.cse8 (+ |ackermann_#in~n| 1)) (.cse9 (= |ackermann_#in~m| 0)) (.cse16 (<= 7 |ackermann_#res|)) (.cse17 (<= |ackermann_#res| 7)) (.cse12 (<= |ackermann_#in~m| 1)) (.cse0 (= |ackermann_#in~n| 0)) (.cse15 (<= |ackermann_#res| 5)) (.cse18 (<= 3 |ackermann_#in~n|)) (.cse3 (<= 3 |ackermann_#res|)) (.cse6 (<= 2 |ackermann_#in~n|)) (.cse14 (<= |ackermann_#in~n| 1)) (.cse1 (<= 2 ackermann_~m)) (.cse11 (<= 1 |ackermann_#in~n|)) (.cse5 (<= |ackermann_#res| 3)) (.cse19 (not (<= 1 |ackermann_#in~m|)))) (and (let ((.cse13 (<= 1 ackermann_~m)) (.cse7 (<= 5 |ackermann_#res|)) (.cse2 (= ackermann_~n |ackermann_#in~n|)) (.cse4 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse2 .cse4) (and (<= .cse8 |ackermann_#res|) .cse2 .cse4 .cse9) (and .cse10 .cse0 .cse2 .cse3 .cse4) (and .cse10 .cse11 .cse7 .cse2 .cse4) (and .cse12 .cse13 .cse7 .cse2 .cse4) (and .cse12 (<= 4 |ackermann_#res|) .cse13 (<= |ackermann_#in~n| 2) .cse2 .cse4) (and .cse14 .cse12 .cse13 .cse2 .cse4) (and .cse11 .cse15 .cse1 .cse7 .cse2 .cse4))) (or .cse10 .cse14 (and .cse16 .cse17) .cse18 (<= ackermann_~m 1)) (or .cse0 (<= |ackermann_#res| .cse8) (not .cse9)) (or (and .cse16 .cse17 (<= 5 |ackermann_#in~n|)) (<= 6 |ackermann_#in~n|) (not .cse12) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= 6 |ackermann_#res|) (<= |ackermann_#in~n| 4)) .cse0 (and (<= |ackermann_#in~n| 3) .cse15 .cse18) .cse19 (and .cse14 .cse3) (and .cse6 (<= |ackermann_#res| 4))) (or (and (<= 2 |ackermann_#res|) (<= |ackermann_#res| 2)) (not .cse14) .cse1 (and .cse11 .cse5) .cse19))) [2021-02-24 04:03:34,477 INFO L185 CegarLoopUtils]: At program point L23(line 23) the Hoare annotation is: (and (not (= ackermann_~m 0)) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|)) [2021-02-24 04:03:34,478 INFO L185 CegarLoopUtils]: At program point L23-1(line 23) the Hoare annotation is: (let ((.cse6 (<= |ackermann_#in~n| 1))) (let ((.cse3 (<= 5 |ackermann_#t~ret8|)) (.cse0 (<= ackermann_~m 1)) (.cse4 (<= 3 |ackermann_#t~ret8|)) (.cse2 (= ackermann_~m |ackermann_#in~m|)) (.cse9 (<= 3 ackermann_~m)) (.cse10 (not .cse6)) (.cse11 (<= |ackermann_#t~ret8| 3)) (.cse8 (<= 3 |ackermann_#in~n|)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse5 (not (<= |ackermann_#in~m| 1))) (.cse7 (<= |ackermann_#t~ret8| 5))) (and (or (= |ackermann_#in~n| 1) (and (<= |ackermann_#in~n| 3) .cse0 (<= 4 |ackermann_#t~ret8|) .cse1 .cse2) (and .cse1 .cse2 .cse3) (and (<= |ackermann_#in~n| 2) .cse4 .cse1 .cse2)) (or (and (<= 6 |ackermann_#t~ret8|) (<= |ackermann_#t~ret8| 6)) (<= 6 |ackermann_#in~n|) .cse5 (<= |ackermann_#in~n| 4)) (or .cse6 (and .cse7 .cse3) .cse8 .cse0 (and .cse9 .cse3)) (or (and (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) .cse0 .cse2) .cse10 (and (<= 1 |ackermann_#in~n|) (<= 2 ackermann_~m) .cse4 .cse1 .cse2)) (<= 1 ackermann_~m) (or .cse9 .cse11 .cse10) (or .cse5 (<= 4 |ackermann_#in~n|) (and .cse11 (<= 2 |ackermann_#in~n|)) (and (<= |ackermann_#t~ret8| 4) .cse8) (and (<= |ackermann_#in~n| ackermann_~m) .cse1)) (or .cse5 (<= 5 |ackermann_#in~n|) .cse7)))) [2021-02-24 04:03:34,478 INFO L192 CegarLoopUtils]: At program point ackermannENTRY(lines 16 24) the Hoare annotation is: true [2021-02-24 04:03:34,478 INFO L185 CegarLoopUtils]: At program point L21(line 21) the Hoare annotation is: (and (= |ackermann_#in~n| 0) (not (= ackermann_~m 0)) (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|)) [2021-02-24 04:03:34,478 INFO L185 CegarLoopUtils]: At program point L23-2(line 23) the Hoare annotation is: (let ((.cse6 (<= |ackermann_#in~n| 1))) (let ((.cse3 (<= 5 |ackermann_#t~ret8|)) (.cse0 (<= ackermann_~m 1)) (.cse4 (<= 3 |ackermann_#t~ret8|)) (.cse2 (= ackermann_~m |ackermann_#in~m|)) (.cse9 (<= 3 ackermann_~m)) (.cse10 (not .cse6)) (.cse11 (<= |ackermann_#t~ret8| 3)) (.cse8 (<= 3 |ackermann_#in~n|)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse5 (not (<= |ackermann_#in~m| 1))) (.cse7 (<= |ackermann_#t~ret8| 5))) (and (or (= |ackermann_#in~n| 1) (and (<= |ackermann_#in~n| 3) .cse0 (<= 4 |ackermann_#t~ret8|) .cse1 .cse2) (and .cse1 .cse2 .cse3) (and (<= |ackermann_#in~n| 2) .cse4 .cse1 .cse2)) (or (and (<= 6 |ackermann_#t~ret8|) (<= |ackermann_#t~ret8| 6)) (<= 6 |ackermann_#in~n|) .cse5 (<= |ackermann_#in~n| 4)) (or .cse6 (and .cse7 .cse3) .cse8 .cse0 (and .cse9 .cse3)) (or (and (<= |ackermann_#t~ret8| 2) (<= 2 |ackermann_#t~ret8|) .cse0 .cse2) .cse10 (and (<= 1 |ackermann_#in~n|) (<= 2 ackermann_~m) .cse4 .cse1 .cse2)) (<= 1 ackermann_~m) (or .cse9 .cse11 .cse10) (or .cse5 (<= 4 |ackermann_#in~n|) (and .cse11 (<= 2 |ackermann_#in~n|)) (and (<= |ackermann_#t~ret8| 4) .cse8) (and (<= |ackermann_#in~n| ackermann_~m) .cse1)) (or .cse5 (<= 5 |ackermann_#in~n|) .cse7)))) [2021-02-24 04:03:34,479 INFO L185 CegarLoopUtils]: At program point L20(lines 20 22) the Hoare annotation is: (and (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (not (= |ackermann_#in~m| 0))) [2021-02-24 04:03:34,479 INFO L185 CegarLoopUtils]: At program point L21-1(line 21) the Hoare annotation is: (and (or (<= 3 ackermann_~m) (and (<= 2 ackermann_~m) (<= |ackermann_#t~ret7| 3)) (<= |ackermann_#t~ret7| 2)) (let ((.cse0 (= |ackermann_#in~n| 0)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 (<= ackermann_~m 1) .cse1 (<= 2 |ackermann_#t~ret7|) (<= 1 |ackermann_#in~m|) .cse2) (and .cse0 .cse1 .cse2 (<= 3 |ackermann_#t~ret7|))))) [2021-02-24 04:03:34,479 INFO L185 CegarLoopUtils]: At program point L23-3(line 23) the Hoare annotation is: (let ((.cse8 (<= |ackermann_#t~ret9| 5)) (.cse15 (<= 2 ackermann_~m)) (.cse9 (<= 3 ackermann_~m)) (.cse14 (<= |ackermann_#in~n| 1)) (.cse0 (<= 5 |ackermann_#t~ret9|)) (.cse16 (<= 1 |ackermann_#in~n|)) (.cse4 (<= 3 |ackermann_#t~ret8|)) (.cse2 (= ackermann_~n |ackermann_#in~n|)) (.cse3 (= ackermann_~m |ackermann_#in~m|))) (let ((.cse6 (and .cse9 .cse14 .cse0 .cse16 .cse4 .cse2 .cse3)) (.cse7 (and .cse14 .cse0 .cse8 .cse16 .cse4 .cse15 .cse2 .cse3)) (.cse13 (<= 3 |ackermann_#in~n|)) (.cse11 (<= 7 |ackermann_#t~ret9|)) (.cse12 (<= |ackermann_#t~ret9| 7))) (and (let ((.cse1 (<= 1 ackermann_~m)) (.cse5 (<= ackermann_~m 1))) (or (and .cse0 .cse1 (<= 5 |ackermann_#t~ret8|) .cse2 .cse3) (and (<= |ackermann_#t~ret8| 3) .cse1 (<= 4 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 2) .cse4 .cse5 .cse3 .cse2) (and (<= |ackermann_#t~ret8| 2) (<= |ackermann_#in~n| ackermann_~m) (<= 2 |ackermann_#t~ret8|) .cse5 (<= 3 |ackermann_#t~ret9|) .cse3 .cse2) .cse6 .cse7 (and .cse0 .cse8 (<= |ackermann_#in~n| 3) .cse1 .cse5 (<= 4 |ackermann_#t~ret8|) .cse2 .cse3))) (let ((.cse10 (<= 2 |ackermann_#in~n|))) (or (and .cse9 .cse10) (and .cse11 .cse10 .cse12) .cse6 (not (<= 2 |ackermann_#in~m|)) .cse13 .cse7)) (or (not .cse14) .cse15 (and .cse16 (<= |ackermann_#t~ret9| 3))) (or (<= 6 |ackermann_#in~n|) (not (<= |ackermann_#in~m| 1)) (<= |ackermann_#t~ret9| 4) (and (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 4)) (and (<= |ackermann_#t~ret8| 4) .cse13) (and (<= 5 |ackermann_#in~n|) .cse11 .cse12))))) [2021-02-24 04:03:34,479 INFO L185 CegarLoopUtils]: At program point L21-2(line 21) the Hoare annotation is: (and (or (<= 3 ackermann_~m) (and (<= 2 ackermann_~m) (<= |ackermann_#t~ret7| 3)) (<= |ackermann_#t~ret7| 2)) (let ((.cse0 (= |ackermann_#in~n| 0)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 (<= ackermann_~m 1) .cse1 (<= 2 |ackermann_#t~ret7|) (<= 1 |ackermann_#in~m|) .cse2) (and .cse0 .cse1 .cse2 (<= 3 |ackermann_#t~ret7|))))) [2021-02-24 04:03:34,480 INFO L185 CegarLoopUtils]: At program point L23-4(line 23) the Hoare annotation is: (let ((.cse8 (<= |ackermann_#t~ret9| 5)) (.cse15 (<= 2 ackermann_~m)) (.cse9 (<= 3 ackermann_~m)) (.cse14 (<= |ackermann_#in~n| 1)) (.cse0 (<= 5 |ackermann_#t~ret9|)) (.cse16 (<= 1 |ackermann_#in~n|)) (.cse4 (<= 3 |ackermann_#t~ret8|)) (.cse2 (= ackermann_~n |ackermann_#in~n|)) (.cse3 (= ackermann_~m |ackermann_#in~m|))) (let ((.cse6 (and .cse9 .cse14 .cse0 .cse16 .cse4 .cse2 .cse3)) (.cse7 (and .cse14 .cse0 .cse8 .cse16 .cse4 .cse15 .cse2 .cse3)) (.cse13 (<= 3 |ackermann_#in~n|)) (.cse11 (<= 7 |ackermann_#t~ret9|)) (.cse12 (<= |ackermann_#t~ret9| 7))) (and (let ((.cse1 (<= 1 ackermann_~m)) (.cse5 (<= ackermann_~m 1))) (or (and .cse0 .cse1 (<= 5 |ackermann_#t~ret8|) .cse2 .cse3) (and (<= |ackermann_#t~ret8| 3) .cse1 (<= 4 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 2) .cse4 .cse5 .cse3 .cse2) (and (<= |ackermann_#t~ret8| 2) (<= |ackermann_#in~n| ackermann_~m) (<= 2 |ackermann_#t~ret8|) .cse5 (<= 3 |ackermann_#t~ret9|) .cse3 .cse2) .cse6 .cse7 (and .cse0 .cse8 (<= |ackermann_#in~n| 3) .cse1 .cse5 (<= 4 |ackermann_#t~ret8|) .cse2 .cse3))) (let ((.cse10 (<= 2 |ackermann_#in~n|))) (or (and .cse9 .cse10) (and .cse11 .cse10 .cse12) .cse6 (not (<= 2 |ackermann_#in~m|)) .cse13 .cse7)) (or (not .cse14) .cse15 (and .cse16 (<= |ackermann_#t~ret9| 3))) (or (<= 6 |ackermann_#in~n|) (not (<= |ackermann_#in~m| 1)) (<= |ackermann_#t~ret9| 4) (and (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= |ackermann_#in~n| 4)) (and (<= |ackermann_#t~ret8| 4) .cse13) (and (<= 5 |ackermann_#in~n|) .cse11 .cse12))))) [2021-02-24 04:03:34,480 INFO L185 CegarLoopUtils]: At program point L18(line 18) the Hoare annotation is: (and (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (= |ackermann_#in~m| 0)) [2021-02-24 04:03:34,480 INFO L185 CegarLoopUtils]: At program point L21-3(line 21) the Hoare annotation is: (and (let ((.cse0 (= |ackermann_#in~n| 0)) (.cse1 (= ackermann_~n |ackermann_#in~n|)) (.cse2 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 (<= 3 |ackermann_#res|) .cse1 .cse2 (<= 3 |ackermann_#t~ret7|)) (and (<= 2 |ackermann_#res|) .cse0 (<= ackermann_~m 1) .cse1 (<= 2 |ackermann_#t~ret7|) .cse2))) (or (<= 3 ackermann_~m) (and (<= |ackermann_#res| 2) (<= 1 |ackermann_#in~m|) (<= |ackermann_#t~ret7| 2)) (and (<= 2 ackermann_~m) (<= |ackermann_#t~ret7| 3) (<= |ackermann_#res| 3)))) [2021-02-24 04:03:34,481 INFO L185 CegarLoopUtils]: At program point L23-5(line 23) the Hoare annotation is: (let ((.cse0 (<= |ackermann_#in~n| 1))) (let ((.cse1 (<= 3 ackermann_~m)) (.cse5 (<= 7 |ackermann_#res|)) (.cse6 (<= |ackermann_#res| 7)) (.cse7 (<= 7 |ackermann_#t~ret9|)) (.cse4 (<= 5 |ackermann_#t~ret8|)) (.cse8 (<= |ackermann_#t~ret9| 7)) (.cse10 (<= ackermann_~m 1)) (.cse11 (<= |ackermann_#t~ret9| 5)) (.cse12 (<= |ackermann_#res| 5)) (.cse9 (<= 3 |ackermann_#in~n|)) (.cse13 (not .cse0)) (.cse2 (<= 5 |ackermann_#t~ret9|)) (.cse16 (<= 2 ackermann_~m)) (.cse3 (<= 5 |ackermann_#res|))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse4 .cse8) .cse9 .cse10) (or .cse1 (and .cse11 .cse12) .cse13) (let ((.cse14 (= ackermann_~n |ackermann_#in~n|)) (.cse15 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse2 .cse3 .cse4 .cse14 .cse15 (<= |ackermann_#in~n| 4)) (and .cse2 (<= |ackermann_#in~n| 3) .cse10 (<= 4 |ackermann_#t~ret8|) .cse3 .cse14 .cse15) (and (<= 6 |ackermann_#in~n|) .cse2 .cse3 .cse14 .cse4 .cse15) (and .cse2 .cse16 .cse3 .cse4 .cse14 .cse15) (and (<= |ackermann_#in~n| 2) (<= 3 |ackermann_#t~ret8|) .cse14 .cse15) (and .cse5 .cse6 .cse7 .cse15 .cse14 .cse4 .cse8) (and (<= |ackermann_#in~n| ackermann_~m) (<= 2 |ackermann_#t~ret8|) .cse10 (<= 3 |ackermann_#t~ret9|) (<= 3 |ackermann_#res|) .cse14 .cse15))) (or .cse0 (not (<= |ackermann_#in~m| 1)) (<= 5 |ackermann_#in~n|) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= |ackermann_#t~ret8| 5) (<= 6 |ackermann_#t~ret9|) (<= 6 |ackermann_#res|)) (and .cse11 .cse12 (<= |ackermann_#t~ret8| 4) .cse9) (and (<= 4 |ackermann_#res|) (<= |ackermann_#t~ret8| 3) (<= |ackermann_#t~ret9| 4) (<= 4 |ackermann_#t~ret9|) (<= |ackermann_#res| 4))) (<= 1 ackermann_~m) (let ((.cse17 (<= 1 |ackermann_#in~n|))) (or .cse13 (and (<= |ackermann_#t~ret8| 2) .cse17 (<= |ackermann_#t~ret9| 3) (<= |ackermann_#res| 3)) (and .cse2 .cse17 .cse16 .cse3)))))) [2021-02-24 04:03:34,481 INFO L185 CegarLoopUtils]: At program point L17(lines 17 19) the Hoare annotation is: (and (= ackermann_~m |ackermann_#in~m|) (= ackermann_~n |ackermann_#in~n|)) [2021-02-24 04:03:34,481 INFO L185 CegarLoopUtils]: At program point L23-6(line 23) the Hoare annotation is: (let ((.cse11 (<= 7 |ackermann_#res|)) (.cse12 (<= |ackermann_#res| 7)) (.cse5 (<= 1 ackermann_~m)) (.cse13 (<= 7 |ackermann_#t~ret9|)) (.cse14 (<= |ackermann_#t~ret9| 7)) (.cse17 (<= |ackermann_#in~m| 1))) (let ((.cse6 (<= 3 ackermann_~m)) (.cse0 (<= 5 |ackermann_#t~ret9|)) (.cse1 (<= 5 |ackermann_#res|)) (.cse4 (<= 6 |ackermann_#in~n|)) (.cse2 (not .cse17)) (.cse7 (<= |ackermann_#t~ret9| 5)) (.cse8 (<= |ackermann_#res| 5)) (.cse15 (<= 3 |ackermann_#in~n|)) (.cse9 (<= 2 |ackermann_#in~n|)) (.cse10 (<= |ackermann_#in~n| 1)) (.cse16 (<= 1 |ackermann_#in~n|)) (.cse3 (and .cse11 (<= 5 |ackermann_#in~n|) .cse12 .cse5 .cse13 .cse14))) (and (or (and .cse0 .cse1 (<= |ackermann_#in~n| 4)) (and (<= |ackermann_#in~n| 2) (<= 3 |ackermann_#res|)) .cse2 .cse3 (and .cse4 .cse0 .cse5 .cse1)) (or .cse6 (and .cse7 .cse8) .cse9) (or .cse6 .cse10 (and .cse11 .cse12 .cse13 .cse14) (<= ackermann_~m 1) .cse15) (or (and .cse0 .cse16 .cse1) (and .cse17 .cse5)) (<= 3 |ackermann_#t~ret9|) (= ackermann_~n |ackermann_#in~n|) (= ackermann_~m |ackermann_#in~m|) (or (and (<= |ackermann_#res| 6) .cse5 (<= 4 |ackermann_#in~n|) (<= |ackermann_#t~ret9| 6) (<= 6 |ackermann_#t~ret9|) (<= 6 |ackermann_#res|)) .cse4 .cse2 (and .cse7 (<= |ackermann_#in~n| 3) .cse8 .cse5 .cse15) (and (<= 4 |ackermann_#res|) (<= |ackermann_#t~ret9| 4) (<= 4 |ackermann_#t~ret9|) .cse9 (<= |ackermann_#res| 4)) (and .cse10 .cse16 (<= |ackermann_#t~ret9| 3) (<= |ackermann_#res| 3)) .cse3)))) [2021-02-24 04:03:34,481 INFO L185 CegarLoopUtils]: At program point L16(lines 16 24) the Hoare annotation is: (= ackermann_~m |ackermann_#in~m|) [2021-02-24 04:03:34,482 INFO L185 CegarLoopUtils]: At program point ackermannFINAL(lines 16 24) the Hoare annotation is: (let ((.cse10 (<= 3 ackermann_~m)) (.cse8 (+ |ackermann_#in~n| 1)) (.cse9 (= |ackermann_#in~m| 0)) (.cse16 (<= 7 |ackermann_#res|)) (.cse17 (<= |ackermann_#res| 7)) (.cse12 (<= |ackermann_#in~m| 1)) (.cse0 (= |ackermann_#in~n| 0)) (.cse15 (<= |ackermann_#res| 5)) (.cse18 (<= 3 |ackermann_#in~n|)) (.cse3 (<= 3 |ackermann_#res|)) (.cse6 (<= 2 |ackermann_#in~n|)) (.cse14 (<= |ackermann_#in~n| 1)) (.cse1 (<= 2 ackermann_~m)) (.cse11 (<= 1 |ackermann_#in~n|)) (.cse5 (<= |ackermann_#res| 3)) (.cse19 (not (<= 1 |ackermann_#in~m|)))) (and (let ((.cse13 (<= 1 ackermann_~m)) (.cse7 (<= 5 |ackermann_#res|)) (.cse2 (= ackermann_~n |ackermann_#in~n|)) (.cse4 (= ackermann_~m |ackermann_#in~m|))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse7 .cse2 .cse4) (and (<= .cse8 |ackermann_#res|) .cse2 .cse4 .cse9) (and .cse10 .cse0 .cse2 .cse3 .cse4) (and .cse10 .cse11 .cse7 .cse2 .cse4) (and .cse12 .cse13 .cse7 .cse2 .cse4) (and .cse12 (<= 4 |ackermann_#res|) .cse13 (<= |ackermann_#in~n| 2) .cse2 .cse4) (and .cse14 .cse12 .cse13 .cse2 .cse4) (and .cse11 .cse15 .cse1 .cse7 .cse2 .cse4))) (or .cse10 .cse14 (and .cse16 .cse17) .cse18 (<= ackermann_~m 1)) (or .cse0 (<= |ackermann_#res| .cse8) (not .cse9)) (or (and .cse16 .cse17 (<= 5 |ackermann_#in~n|)) (<= 6 |ackermann_#in~n|) (not .cse12) (and (<= |ackermann_#res| 6) (<= 4 |ackermann_#in~n|) (<= 6 |ackermann_#res|) (<= |ackermann_#in~n| 4)) .cse0 (and (<= |ackermann_#in~n| 3) .cse15 .cse18) .cse19 (and .cse14 .cse3) (and .cse6 (<= |ackermann_#res| 4))) (or (and (<= 2 |ackermann_#res|) (<= |ackermann_#res| 2)) (not .cse14) .cse1 (and .cse11 .cse5) .cse19))) [2021-02-24 04:03:34,530 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 04:03:34 BoogieIcfgContainer [2021-02-24 04:03:34,530 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 04:03:34,533 INFO L168 Benchmark]: Toolchain (without parser) took 406708.64 ms. Allocated memory was 154.1 MB in the beginning and 1.0 GB in the end (delta: 888.1 MB). Free memory was 130.0 MB in the beginning and 608.0 MB in the end (delta: -477.9 MB). Peak memory consumption was 649.6 MB. Max. memory is 8.0 GB. [2021-02-24 04:03:34,533 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 128.3 MB in the end (delta: 98.9 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 04:03:34,534 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.53 ms. Allocated memory is still 154.1 MB. Free memory was 129.0 MB in the beginning and 119.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2021-02-24 04:03:34,534 INFO L168 Benchmark]: Boogie Preprocessor took 37.45 ms. Allocated memory is still 154.1 MB. Free memory was 119.7 MB in the beginning and 118.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-02-24 04:03:34,534 INFO L168 Benchmark]: RCFGBuilder took 500.20 ms. Allocated memory is still 154.1 MB. Free memory was 118.4 MB in the beginning and 102.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-24 04:03:34,534 INFO L168 Benchmark]: TraceAbstraction took 405896.89 ms. Allocated memory was 154.1 MB in the beginning and 1.0 GB in the end (delta: 888.1 MB). Free memory was 101.7 MB in the beginning and 608.0 MB in the end (delta: -506.3 MB). Peak memory consumption was 621.2 MB. Max. memory is 8.0 GB. [2021-02-24 04:03:34,535 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 154.1 MB. Free memory was 128.4 MB in the beginning and 128.3 MB in the end (delta: 98.9 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 249.53 ms. Allocated memory is still 154.1 MB. Free memory was 129.0 MB in the beginning and 119.7 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 37.45 ms. Allocated memory is still 154.1 MB. Free memory was 119.7 MB in the beginning and 118.4 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 500.20 ms. Allocated memory is still 154.1 MB. Free memory was 118.4 MB in the beginning and 102.3 MB in the end (delta: 16.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 405896.89 ms. Allocated memory was 154.1 MB in the beginning and 1.0 GB in the end (delta: 888.1 MB). Free memory was 101.7 MB in the beginning and 608.0 MB in the end (delta: -506.3 MB). Peak memory consumption was 621.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 45]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - ProcedureContractResult [Line: 16]: Procedure Contract for ackermann Derived contract for procedure ackermann: ((((((((((((((((\old(n) == 0 && 2 <= m) && n == \old(n)) && 3 <= \result) && m == \old(m)) && \result <= 3) || ((((2 <= m && 2 <= \old(n)) && 5 <= \result) && n == \old(n)) && m == \old(m))) || (((\old(n) + 1 <= \result && n == \old(n)) && m == \old(m)) && \old(m) == 0)) || ((((3 <= m && \old(n) == 0) && n == \old(n)) && 3 <= \result) && m == \old(m))) || ((((3 <= m && 1 <= \old(n)) && 5 <= \result) && n == \old(n)) && m == \old(m))) || ((((\old(m) <= 1 && 1 <= m) && 5 <= \result) && n == \old(n)) && m == \old(m))) || (((((\old(m) <= 1 && 4 <= \result) && 1 <= m) && \old(n) <= 2) && n == \old(n)) && m == \old(m))) || ((((\old(n) <= 1 && \old(m) <= 1) && 1 <= m) && n == \old(n)) && m == \old(m))) || (((((1 <= \old(n) && \result <= 5) && 2 <= m) && 5 <= \result) && n == \old(n)) && m == \old(m))) && ((((3 <= m || \old(n) <= 1) || (7 <= \result && \result <= 7)) || 3 <= \old(n)) || m <= 1)) && ((\old(n) == 0 || \result <= \old(n) + 1) || !(\old(m) == 0))) && ((((((((((7 <= \result && \result <= 7) && 5 <= \old(n)) || 6 <= \old(n)) || !(\old(m) <= 1)) || (((\result <= 6 && 4 <= \old(n)) && 6 <= \result) && \old(n) <= 4)) || \old(n) == 0) || ((\old(n) <= 3 && \result <= 5) && 3 <= \old(n))) || !(1 <= \old(m))) || (\old(n) <= 1 && 3 <= \result)) || (2 <= \old(n) && \result <= 4))) && (((((2 <= \result && \result <= 2) || !(\old(n) <= 1)) || 2 <= m) || (1 <= \old(n) && \result <= 3)) || !(1 <= \old(m))) - ProcedureContractResult [Line: 27]: Procedure Contract for main Derived contract for procedure main: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 85.5s, OverallIterations: 15, TraceHistogramMax: 43, AutomataDifference: 69.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 320.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 859 SDtfs, 2225 SDslu, 1624 SDs, 0 SdLazy, 11864 SolverSat, 2023 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1450 GetRequests, 791 SyntacticMatches, 0 SemanticMatches, 659 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13650 ImplicationChecksByTransitivity, 51.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=348occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.9s AutomataMinimizationTime, 15 MinimizatonAttempts, 923 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 53 LocationsWithAnnotation, 4841 PreInvPairs, 61809 NumberOfFragments, 2293 HoareAnnotationTreeSize, 4841 FomulaSimplifications, 2225674018 FormulaSimplificationTreeSizeReduction, 214.8s HoareSimplificationTime, 53 FomulaSimplificationsInter, 25311364 FormulaSimplificationTreeSizeReductionInter, 104.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...