/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:20:16,936 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:20:16,939 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:20:16,993 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:20:17,033 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 23:20:17,036 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 23:20:17,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 23:20:17,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 23:20:17,043 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 23:20:17,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 23:20:17,046 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 23:20:17,048 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 23:20:17,050 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 23:20:17,051 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 23:20:17,052 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 23:20:17,053 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 23:20:17,056 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-23 23:20:17,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 23:20:17,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 23:20:17,066 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 23:20:17,067 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:20:17,079 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:20:17,079 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:20:17,081 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:20:17,081 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:20:17,081 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:20:17,082 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:20:17,082 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:20:17,082 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:20:17,082 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:20:17,083 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:20:17,083 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:20:17,083 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:20:17,083 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:20:17,084 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:20:17,084 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:20:17,084 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:20:17,084 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:20:17,085 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:20:17,085 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:20:17,085 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:20:17,085 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:20:17,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:20:17,086 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:20:17,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:20:17,480 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:20:17,483 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:20:17,484 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:20:17,485 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:20:17,485 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label46.c [2021-02-23 23:20:17,549 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b61e481/8bc49ff7905044ff8af2c7a925a578cb/FLAG85bd1bc92 [2021-02-23 23:20:18,240 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:20:18,241 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label46.c [2021-02-23 23:20:18,254 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b61e481/8bc49ff7905044ff8af2c7a925a578cb/FLAG85bd1bc92 [2021-02-23 23:20:18,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e7b61e481/8bc49ff7905044ff8af2c7a925a578cb [2021-02-23 23:20:18,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:20:18,512 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:20:18,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:20:18,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:20:18,518 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:20:18,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:20:18" (1/1) ... [2021-02-23 23:20:18,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a48af83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:18, skipping insertion in model container [2021-02-23 23:20:18,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:20:18" (1/1) ... [2021-02-23 23:20:18,528 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:20:18,570 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:20:18,907 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label46.c[19475,19488] [2021-02-23 23:20:18,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:20:18,940 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:20:19,033 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label46.c[19475,19488] [2021-02-23 23:20:19,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:20:19,096 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:20:19,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19 WrapperNode [2021-02-23 23:20:19,097 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:20:19,099 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:20:19,099 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:20:19,099 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:20:19,112 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19" (1/1) ... [2021-02-23 23:20:19,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19" (1/1) ... [2021-02-23 23:20:19,143 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19" (1/1) ... [2021-02-23 23:20:19,144 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19" (1/1) ... [2021-02-23 23:20:19,193 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19" (1/1) ... [2021-02-23 23:20:19,213 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19" (1/1) ... [2021-02-23 23:20:19,225 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19" (1/1) ... [2021-02-23 23:20:19,236 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:20:19,237 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:20:19,237 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:20:19,237 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:20:19,238 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:20:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:20:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:20:19,340 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:20:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-23 23:20:19,341 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:20:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-23 23:20:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:20:19,342 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:20:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:20:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:20:19,343 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:20:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:20:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:20:19,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:20:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:20:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:20:19,345 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:20:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:20:19,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:20:20,684 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:20:20,684 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:20:20,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:20:20 BoogieIcfgContainer [2021-02-23 23:20:20,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:20:20,688 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:20:20,688 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:20:20,692 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:20:20,692 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:20:18" (1/3) ... [2021-02-23 23:20:20,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19564758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:20:20, skipping insertion in model container [2021-02-23 23:20:20,693 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:20:19" (2/3) ... [2021-02-23 23:20:20,693 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19564758 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:20:20, skipping insertion in model container [2021-02-23 23:20:20,694 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:20:20" (3/3) ... [2021-02-23 23:20:20,695 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label46.c [2021-02-23 23:20:20,702 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:20:20,707 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:20:20,725 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:20:20,750 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:20:20,750 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:20:20,750 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:20:20,750 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:20:20,751 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:20:20,751 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:20:20,751 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:20:20,751 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:20:20,791 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-23 23:20:20,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-23 23:20:20,821 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:20:20,822 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:20:20,822 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:20:20,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:20:20,829 INFO L82 PathProgramCache]: Analyzing trace with hash -1790404674, now seen corresponding path program 1 times [2021-02-23 23:20:20,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:20:20,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19320718] [2021-02-23 23:20:20,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:20:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:21,356 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:20:21,357 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:20:21,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:21,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:20:21,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:21,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:20:21,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:21,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:21,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:20:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:21,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:21,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:21,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:21,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:21,687 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:20:21,688 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19320718] [2021-02-23 23:20:21,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:20:21,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:20:21,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1781585617] [2021-02-23 23:20:21,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:20:21,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:20:21,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:20:21,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:20:21,723 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 5 states. [2021-02-23 23:20:24,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:20:24,592 INFO L93 Difference]: Finished difference Result 1279 states and 1678 transitions. [2021-02-23 23:20:24,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 23:20:24,594 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2021-02-23 23:20:24,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:20:24,625 INFO L225 Difference]: With dead ends: 1279 [2021-02-23 23:20:24,625 INFO L226 Difference]: Without dead ends: 704 [2021-02-23 23:20:24,638 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:20:24,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 704 states. [2021-02-23 23:20:24,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 704 to 611. [2021-02-23 23:20:24,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 611 states. [2021-02-23 23:20:24,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 611 states and 739 transitions. [2021-02-23 23:20:24,879 INFO L78 Accepts]: Start accepts. Automaton has 611 states and 739 transitions. Word has length 148 [2021-02-23 23:20:24,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:20:24,881 INFO L480 AbstractCegarLoop]: Abstraction has 611 states and 739 transitions. [2021-02-23 23:20:24,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:20:24,881 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 739 transitions. [2021-02-23 23:20:24,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2021-02-23 23:20:24,888 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:20:24,889 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:20:24,889 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:20:24,889 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:20:24,890 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:20:24,890 INFO L82 PathProgramCache]: Analyzing trace with hash 161783830, now seen corresponding path program 1 times [2021-02-23 23:20:24,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:20:24,891 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1889016869] [2021-02-23 23:20:24,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:20:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:24,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:24,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:24,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:24,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:24,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:24,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:25,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:20:25,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:25,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:25,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:25,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:25,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:25,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:20:25,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:25,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:25,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:25,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:25,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:25,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:20:25,227 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1889016869] [2021-02-23 23:20:25,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:20:25,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 23:20:25,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095810965] [2021-02-23 23:20:25,231 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:20:25,232 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:20:25,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:20:25,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:20:25,252 INFO L87 Difference]: Start difference. First operand 611 states and 739 transitions. Second operand 7 states. [2021-02-23 23:20:27,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:20:27,769 INFO L93 Difference]: Finished difference Result 1661 states and 2078 transitions. [2021-02-23 23:20:27,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:20:27,770 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 170 [2021-02-23 23:20:27,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:20:27,779 INFO L225 Difference]: With dead ends: 1661 [2021-02-23 23:20:27,779 INFO L226 Difference]: Without dead ends: 1082 [2021-02-23 23:20:27,783 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:20:27,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1082 states. [2021-02-23 23:20:28,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1082 to 981. [2021-02-23 23:20:28,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 981 states. [2021-02-23 23:20:28,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 981 states and 1207 transitions. [2021-02-23 23:20:28,020 INFO L78 Accepts]: Start accepts. Automaton has 981 states and 1207 transitions. Word has length 170 [2021-02-23 23:20:28,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:20:28,020 INFO L480 AbstractCegarLoop]: Abstraction has 981 states and 1207 transitions. [2021-02-23 23:20:28,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:20:28,021 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1207 transitions. [2021-02-23 23:20:28,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2021-02-23 23:20:28,026 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:20:28,026 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:20:28,027 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:20:28,027 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:20:28,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:20:28,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1886649798, now seen corresponding path program 1 times [2021-02-23 23:20:28,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:20:28,028 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832207062] [2021-02-23 23:20:28,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:20:28,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:28,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:28,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:28,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:28,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:28,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:28,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:28,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:20:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:28,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:28,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:28,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:28,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:20:28,243 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:20:28,245 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:20:28,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:20:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:28,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:28,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:28,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:28,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:20:28,424 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:20:28,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832207062] [2021-02-23 23:20:28,425 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:20:28,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 23:20:28,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1140823268] [2021-02-23 23:20:28,426 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:20:28,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:20:28,428 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:20:28,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:20:28,428 INFO L87 Difference]: Start difference. First operand 981 states and 1207 transitions. Second operand 8 states. [2021-02-23 23:20:28,657 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:20:29,474 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:20:32,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:20:32,460 INFO L93 Difference]: Finished difference Result 3140 states and 4137 transitions. [2021-02-23 23:20:32,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:20:32,462 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 177 [2021-02-23 23:20:32,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:20:32,484 INFO L225 Difference]: With dead ends: 3140 [2021-02-23 23:20:32,484 INFO L226 Difference]: Without dead ends: 2191 [2021-02-23 23:20:32,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2021-02-23 23:20:32,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2191 states. [2021-02-23 23:20:32,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2191 to 1904. [2021-02-23 23:20:32,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1904 states. [2021-02-23 23:20:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1904 states to 1904 states and 2405 transitions. [2021-02-23 23:20:32,960 INFO L78 Accepts]: Start accepts. Automaton has 1904 states and 2405 transitions. Word has length 177 [2021-02-23 23:20:32,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:20:32,960 INFO L480 AbstractCegarLoop]: Abstraction has 1904 states and 2405 transitions. [2021-02-23 23:20:32,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:20:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 1904 states and 2405 transitions. [2021-02-23 23:20:32,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-02-23 23:20:32,998 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:20:32,999 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:20:32,999 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:20:33,000 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:20:33,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:20:33,001 INFO L82 PathProgramCache]: Analyzing trace with hash 3185878, now seen corresponding path program 1 times [2021-02-23 23:20:33,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:20:33,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1568539351] [2021-02-23 23:20:33,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:20:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:33,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:33,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:33,080 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:33,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:33,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:20:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:33,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:33,170 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:20:33,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:20:33,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:33,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:33,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:33,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 23:20:33,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:33,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:33,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:33,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:20:33,259 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-02-23 23:20:33,260 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1568539351] [2021-02-23 23:20:33,260 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:20:33,260 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:20:33,261 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1808888476] [2021-02-23 23:20:33,261 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:20:33,261 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:20:33,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:20:33,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:20:33,262 INFO L87 Difference]: Start difference. First operand 1904 states and 2405 transitions. Second operand 7 states. [2021-02-23 23:20:36,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:20:36,117 INFO L93 Difference]: Finished difference Result 4534 states and 6065 transitions. [2021-02-23 23:20:36,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:20:36,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2021-02-23 23:20:36,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:20:36,159 INFO L225 Difference]: With dead ends: 4534 [2021-02-23 23:20:36,160 INFO L226 Difference]: Without dead ends: 2662 [2021-02-23 23:20:36,171 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:20:36,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2662 states. [2021-02-23 23:20:36,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2662 to 2530. [2021-02-23 23:20:36,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2530 states. [2021-02-23 23:20:36,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2530 states to 2530 states and 3198 transitions. [2021-02-23 23:20:36,767 INFO L78 Accepts]: Start accepts. Automaton has 2530 states and 3198 transitions. Word has length 191 [2021-02-23 23:20:36,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:20:36,767 INFO L480 AbstractCegarLoop]: Abstraction has 2530 states and 3198 transitions. [2021-02-23 23:20:36,767 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:20:36,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 3198 transitions. [2021-02-23 23:20:36,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2021-02-23 23:20:36,779 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:20:36,779 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:20:36,780 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:20:36,780 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:20:36,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:20:36,781 INFO L82 PathProgramCache]: Analyzing trace with hash -481529044, now seen corresponding path program 1 times [2021-02-23 23:20:36,781 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:20:36,781 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1018658441] [2021-02-23 23:20:36,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:20:36,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:36,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:36,842 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:36,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:36,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:36,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:36,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:20:36,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:36,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:36,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:20:36,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:36,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:36,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:36,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:36,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:36,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:20:36,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:36,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:36,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:36,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:36,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:20:36,985 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:20:36,985 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:20:36,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:20:37,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:37,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:37,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:37,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:37,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:37,093 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:20:37,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1018658441] [2021-02-23 23:20:37,094 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:20:37,094 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-23 23:20:37,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507817595] [2021-02-23 23:20:37,095 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:20:37,095 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:20:37,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:20:37,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:20:37,096 INFO L87 Difference]: Start difference. First operand 2530 states and 3198 transitions. Second operand 10 states. [2021-02-23 23:20:37,526 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-02-23 23:20:39,291 WARN L202 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:20:44,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:20:44,526 INFO L93 Difference]: Finished difference Result 7234 states and 9323 transitions. [2021-02-23 23:20:44,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-23 23:20:44,527 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 194 [2021-02-23 23:20:44,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:20:44,563 INFO L225 Difference]: With dead ends: 7234 [2021-02-23 23:20:44,563 INFO L226 Difference]: Without dead ends: 4736 [2021-02-23 23:20:44,576 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 365 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=289, Invalid=1117, Unknown=0, NotChecked=0, Total=1406 [2021-02-23 23:20:44,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4736 states. [2021-02-23 23:20:45,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4736 to 4598. [2021-02-23 23:20:45,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4598 states. [2021-02-23 23:20:45,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4598 states to 4598 states and 5635 transitions. [2021-02-23 23:20:45,691 INFO L78 Accepts]: Start accepts. Automaton has 4598 states and 5635 transitions. Word has length 194 [2021-02-23 23:20:45,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:20:45,691 INFO L480 AbstractCegarLoop]: Abstraction has 4598 states and 5635 transitions. [2021-02-23 23:20:45,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:20:45,691 INFO L276 IsEmpty]: Start isEmpty. Operand 4598 states and 5635 transitions. [2021-02-23 23:20:45,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-02-23 23:20:45,709 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:20:45,709 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:20:45,710 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:20:45,710 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:20:45,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:20:45,711 INFO L82 PathProgramCache]: Analyzing trace with hash -430667895, now seen corresponding path program 1 times [2021-02-23 23:20:45,711 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:20:45,712 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [152129476] [2021-02-23 23:20:45,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:20:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:45,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:45,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:45,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:45,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:45,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:45,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:45,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:45,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:45,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:45,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:45,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:20:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:45,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:45,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:45,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:45,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:20:45,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:20:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:46,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:46,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:46,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:46,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:46,093 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 23:20:46,093 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [152129476] [2021-02-23 23:20:46,093 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:20:46,093 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-02-23 23:20:46,094 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699036436] [2021-02-23 23:20:46,094 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:20:46,094 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:20:46,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:20:46,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:20:46,095 INFO L87 Difference]: Start difference. First operand 4598 states and 5635 transitions. Second operand 5 states. [2021-02-23 23:20:48,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:20:48,992 INFO L93 Difference]: Finished difference Result 10101 states and 12596 transitions. [2021-02-23 23:20:48,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 23:20:48,995 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 198 [2021-02-23 23:20:48,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:20:49,034 INFO L225 Difference]: With dead ends: 10101 [2021-02-23 23:20:49,034 INFO L226 Difference]: Without dead ends: 5676 [2021-02-23 23:20:49,053 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:20:49,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5676 states. [2021-02-23 23:20:49,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5676 to 5162. [2021-02-23 23:20:49,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5162 states. [2021-02-23 23:20:49,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5162 states to 5162 states and 6200 transitions. [2021-02-23 23:20:49,935 INFO L78 Accepts]: Start accepts. Automaton has 5162 states and 6200 transitions. Word has length 198 [2021-02-23 23:20:49,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:20:49,936 INFO L480 AbstractCegarLoop]: Abstraction has 5162 states and 6200 transitions. [2021-02-23 23:20:49,936 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:20:49,936 INFO L276 IsEmpty]: Start isEmpty. Operand 5162 states and 6200 transitions. [2021-02-23 23:20:49,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2021-02-23 23:20:49,955 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:20:49,955 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:20:49,956 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:20:49,956 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:20:49,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:20:49,956 INFO L82 PathProgramCache]: Analyzing trace with hash -1278010864, now seen corresponding path program 1 times [2021-02-23 23:20:49,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:20:49,957 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621338533] [2021-02-23 23:20:49,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:20:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:50,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:50,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,015 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:50,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:50,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:50,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:20:50,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:50,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:50,107 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,108 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:20:50,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:20:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:50,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:50,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:50,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:50,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 23:20:50,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:50,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:50,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:20:50,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2021-02-23 23:20:50,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:50,171 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:50,172 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:50,313 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 62 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-02-23 23:20:50,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621338533] [2021-02-23 23:20:50,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:20:50,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:20:50,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883516118] [2021-02-23 23:20:50,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:20:50,317 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:20:50,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:20:50,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:20:50,318 INFO L87 Difference]: Start difference. First operand 5162 states and 6200 transitions. Second operand 8 states. [2021-02-23 23:20:50,685 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:20:54,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:20:54,933 INFO L93 Difference]: Finished difference Result 11851 states and 14311 transitions. [2021-02-23 23:20:54,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:20:54,936 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 219 [2021-02-23 23:20:54,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:20:54,977 INFO L225 Difference]: With dead ends: 11851 [2021-02-23 23:20:54,977 INFO L226 Difference]: Without dead ends: 6157 [2021-02-23 23:20:54,999 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:20:55,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6157 states. [2021-02-23 23:20:55,892 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6157 to 4598. [2021-02-23 23:20:55,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4598 states. [2021-02-23 23:20:55,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4598 states to 4598 states and 5216 transitions. [2021-02-23 23:20:55,902 INFO L78 Accepts]: Start accepts. Automaton has 4598 states and 5216 transitions. Word has length 219 [2021-02-23 23:20:55,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:20:55,902 INFO L480 AbstractCegarLoop]: Abstraction has 4598 states and 5216 transitions. [2021-02-23 23:20:55,902 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:20:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 4598 states and 5216 transitions. [2021-02-23 23:20:55,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2021-02-23 23:20:55,917 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:20:55,917 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:20:55,917 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:20:55,917 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:20:55,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:20:55,918 INFO L82 PathProgramCache]: Analyzing trace with hash -749697957, now seen corresponding path program 1 times [2021-02-23 23:20:55,918 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:20:55,918 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1337746381] [2021-02-23 23:20:55,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:20:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:55,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:55,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:55,990 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:55,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:55,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:55,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:20:55,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:55,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:56,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:20:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:56,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:56,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:56,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:56,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:56,093 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:20:56,094 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:20:56,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:20:56,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:56,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:56,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:56,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:56,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:20:56,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:56,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:56,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:20:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:56,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:56,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:20:56,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:56,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:20:56,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-02-23 23:20:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:20:56,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:20:56,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:20:56,254 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-02-23 23:20:56,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1337746381] [2021-02-23 23:20:56,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:20:56,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-02-23 23:20:56,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785400291] [2021-02-23 23:20:56,256 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 23:20:56,256 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:20:56,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 23:20:56,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:20:56,257 INFO L87 Difference]: Start difference. First operand 4598 states and 5216 transitions. Second operand 11 states. [2021-02-23 23:20:56,647 WARN L202 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-02-23 23:20:59,010 WARN L202 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-02-23 23:21:02,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:21:02,469 INFO L93 Difference]: Finished difference Result 9735 states and 11030 transitions. [2021-02-23 23:21:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-23 23:21:02,470 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 248 [2021-02-23 23:21:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:21:02,499 INFO L225 Difference]: With dead ends: 9735 [2021-02-23 23:21:02,500 INFO L226 Difference]: Without dead ends: 5310 [2021-02-23 23:21:02,514 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 400 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2021-02-23 23:21:02,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5310 states. [2021-02-23 23:21:03,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5310 to 5076. [2021-02-23 23:21:03,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5076 states. [2021-02-23 23:21:03,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5076 states to 5076 states and 5673 transitions. [2021-02-23 23:21:03,568 INFO L78 Accepts]: Start accepts. Automaton has 5076 states and 5673 transitions. Word has length 248 [2021-02-23 23:21:03,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:21:03,569 INFO L480 AbstractCegarLoop]: Abstraction has 5076 states and 5673 transitions. [2021-02-23 23:21:03,569 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 23:21:03,569 INFO L276 IsEmpty]: Start isEmpty. Operand 5076 states and 5673 transitions. [2021-02-23 23:21:03,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2021-02-23 23:21:03,583 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:21:03,583 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:21:03,583 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:21:03,584 INFO L428 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:21:03,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:21:03,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1325078361, now seen corresponding path program 1 times [2021-02-23 23:21:03,584 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:21:03,585 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [686701708] [2021-02-23 23:21:03,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:21:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:03,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:03,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:03,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:03,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:03,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:03,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:03,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:21:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:03,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:03,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:03,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:21:03,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:03,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:03,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:03,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:03,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:21:03,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:21:03,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:03,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:03,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:03,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:03,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:03,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-23 23:21:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:03,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:03,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:03,904 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 162 proven. 12 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-02-23 23:21:03,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [686701708] [2021-02-23 23:21:03,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:21:03,904 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:21:03,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303409088] [2021-02-23 23:21:03,905 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:21:03,905 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:21:03,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:21:03,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:21:03,906 INFO L87 Difference]: Start difference. First operand 5076 states and 5673 transitions. Second operand 7 states. [2021-02-23 23:21:06,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:21:06,849 INFO L93 Difference]: Finished difference Result 10853 states and 12119 transitions. [2021-02-23 23:21:06,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:21:06,849 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 280 [2021-02-23 23:21:06,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:21:06,876 INFO L225 Difference]: With dead ends: 10853 [2021-02-23 23:21:06,877 INFO L226 Difference]: Without dead ends: 5809 [2021-02-23 23:21:06,889 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:21:06,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5809 states. [2021-02-23 23:21:08,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5809 to 5711. [2021-02-23 23:21:08,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5711 states. [2021-02-23 23:21:08,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5711 states to 5711 states and 6308 transitions. [2021-02-23 23:21:08,118 INFO L78 Accepts]: Start accepts. Automaton has 5711 states and 6308 transitions. Word has length 280 [2021-02-23 23:21:08,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:21:08,119 INFO L480 AbstractCegarLoop]: Abstraction has 5711 states and 6308 transitions. [2021-02-23 23:21:08,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:21:08,119 INFO L276 IsEmpty]: Start isEmpty. Operand 5711 states and 6308 transitions. [2021-02-23 23:21:08,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2021-02-23 23:21:08,134 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:21:08,134 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:21:08,134 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 23:21:08,134 INFO L428 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:21:08,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:21:08,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1365833144, now seen corresponding path program 1 times [2021-02-23 23:21:08,135 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:21:08,135 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [629405980] [2021-02-23 23:21:08,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:21:08,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:08,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:08,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:08,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,218 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:08,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:21:08,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:08,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:21:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:08,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:08,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:08,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:21:08,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:08,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:08,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:21:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:08,359 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,360 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:08,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:21:08,369 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:21:08,370 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:21:08,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-02-23 23:21:08,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:08,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:21:08,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:21:08,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-02-23 23:21:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:08,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:08,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:08,515 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 158 proven. 22 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2021-02-23 23:21:08,515 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [629405980] [2021-02-23 23:21:08,515 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:21:08,515 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-23 23:21:08,516 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1590776008] [2021-02-23 23:21:08,516 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:21:08,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:21:08,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:21:08,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:21:08,517 INFO L87 Difference]: Start difference. First operand 5711 states and 6308 transitions. Second operand 10 states. [2021-02-23 23:21:09,854 WARN L202 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-02-23 23:21:10,740 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-23 23:21:13,027 WARN L202 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:21:15,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:21:15,712 INFO L93 Difference]: Finished difference Result 12142 states and 13423 transitions. [2021-02-23 23:21:15,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-23 23:21:15,712 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 291 [2021-02-23 23:21:15,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:21:15,740 INFO L225 Difference]: With dead ends: 12142 [2021-02-23 23:21:15,741 INFO L226 Difference]: Without dead ends: 6264 [2021-02-23 23:21:15,757 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2021-02-23 23:21:15,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6264 states. [2021-02-23 23:21:17,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6264 to 6185. [2021-02-23 23:21:17,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6185 states. [2021-02-23 23:21:17,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6185 states to 6185 states and 6627 transitions. [2021-02-23 23:21:17,106 INFO L78 Accepts]: Start accepts. Automaton has 6185 states and 6627 transitions. Word has length 291 [2021-02-23 23:21:17,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:21:17,107 INFO L480 AbstractCegarLoop]: Abstraction has 6185 states and 6627 transitions. [2021-02-23 23:21:17,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:21:17,107 INFO L276 IsEmpty]: Start isEmpty. Operand 6185 states and 6627 transitions. [2021-02-23 23:21:17,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-02-23 23:21:17,116 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:21:17,117 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:21:17,117 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 23:21:17,117 INFO L428 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:21:17,117 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:21:17,118 INFO L82 PathProgramCache]: Analyzing trace with hash 618207501, now seen corresponding path program 1 times [2021-02-23 23:21:17,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:21:17,118 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [588220847] [2021-02-23 23:21:17,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:21:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:17,225 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:21:17,226 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:21:17,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:21:17,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:21:17,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:21:17,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:21:17,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:21:17,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:17,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:21:17,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:17,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:17,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:17,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:21:17,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:17,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:17,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:17,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-02-23 23:21:17,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:17,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:17,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:17,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 23:21:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:21:17,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:21:17,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:21:17,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:21:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 106 proven. 3 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-02-23 23:21:17,521 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [588220847] [2021-02-23 23:21:17,521 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:21:17,521 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:21:17,521 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88076133] [2021-02-23 23:21:17,522 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:21:17,522 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:21:17,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:21:17,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:21:17,523 INFO L87 Difference]: Start difference. First operand 6185 states and 6627 transitions. Second operand 7 states. [2021-02-23 23:21:20,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:21:20,637 INFO L93 Difference]: Finished difference Result 7203 states and 7740 transitions. [2021-02-23 23:21:20,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 23:21:20,638 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 302 [2021-02-23 23:21:20,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:21:20,640 INFO L225 Difference]: With dead ends: 7203 [2021-02-23 23:21:20,641 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:21:20,654 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-02-23 23:21:20,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:21:20,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:21:20,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:21:20,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:21:20,655 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 302 [2021-02-23 23:21:20,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:21:20,656 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:21:20,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:21:20,656 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:21:20,656 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:21:20,656 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 23:21:20,658 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:21:23,825 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-23 23:21:28,743 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-02-23 23:21:30,335 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-02-23 23:21:33,307 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:21:35,189 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 127 [2021-02-23 23:21:38,224 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 111 [2021-02-23 23:21:48,015 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 98 [2021-02-23 23:21:51,519 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 122 [2021-02-23 23:22:12,866 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:22:16,641 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:22:17,218 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:22:17,673 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:22:58,838 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:22:58,989 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:22:59,141 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:22:59,291 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:23:14,321 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 199 [2021-02-23 23:23:22,112 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:23:22,875 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:23:25,057 WARN L202 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:23:25,826 WARN L202 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:23:28,056 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:23:30,264 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:23:32,465 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:23:33,085 WARN L202 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:23:33,702 WARN L202 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:23:34,473 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:23:36,704 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:23:38,917 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:23:39,667 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:23:40,685 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 159 DAG size of output: 72 [2021-02-23 23:23:41,253 WARN L202 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2021-02-23 23:23:42,140 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2021-02-23 23:23:43,022 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 71 [2021-02-23 23:23:43,851 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:23:44,461 WARN L202 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2021-02-23 23:23:45,228 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:23:47,436 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:23:48,257 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 67 [2021-02-23 23:23:49,085 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 67 [2021-02-23 23:23:51,321 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:23:51,867 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 67 [2021-02-23 23:23:52,399 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2021-02-23 23:23:53,046 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 69 [2021-02-23 23:23:54,038 WARN L202 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:23:54,702 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2021-02-23 23:23:55,483 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:23:56,280 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:23:58,528 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:23:59,934 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 227 DAG size of output: 80 [2021-02-23 23:24:00,546 WARN L202 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 65 [2021-02-23 23:24:01,383 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 67 [2021-02-23 23:24:01,920 WARN L202 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:24:02,693 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:24:04,924 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:05,848 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 71 [2021-02-23 23:24:06,378 WARN L202 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:24:07,792 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 217 DAG size of output: 71 [2021-02-23 23:24:08,630 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:24:09,473 WARN L202 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2021-02-23 23:24:11,705 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:12,774 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 180 DAG size of output: 74 [2021-02-23 23:24:13,401 WARN L202 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:24:14,084 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2021-02-23 23:24:14,719 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 65 [2021-02-23 23:24:15,921 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 184 DAG size of output: 77 [2021-02-23 23:24:17,166 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 208 DAG size of output: 75 [2021-02-23 23:24:17,840 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:24:18,743 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 67 [2021-02-23 23:24:19,504 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:24:21,749 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:22,417 WARN L202 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2021-02-23 23:24:22,963 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:24:23,754 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 69 [2021-02-23 23:24:25,984 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:28,219 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:28,774 WARN L202 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:24:31,074 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:33,337 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:33,988 WARN L202 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2021-02-23 23:24:34,529 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 65 [2021-02-23 23:24:35,164 WARN L202 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:24:35,950 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:24:38,186 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:38,958 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:24:41,210 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:43,462 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:45,696 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:46,470 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:24:47,461 WARN L202 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 70 [2021-02-23 23:24:48,778 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 158 DAG size of output: 73 [2021-02-23 23:24:49,426 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2021-02-23 23:24:50,570 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2021-02-23 23:24:52,821 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:55,068 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:24:55,615 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:24:57,056 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 217 DAG size of output: 71 [2021-02-23 23:24:57,966 WARN L202 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2021-02-23 23:24:58,825 WARN L202 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 67 [2021-02-23 23:24:59,428 WARN L202 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 65 [2021-02-23 23:25:00,501 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2021-02-23 23:25:01,385 WARN L202 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 69 [2021-02-23 23:25:02,056 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 69 [2021-02-23 23:25:04,393 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:05,222 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:25:05,980 WARN L202 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 69 [2021-02-23 23:25:08,308 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:10,556 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:11,329 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:25:11,985 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 66 [2021-02-23 23:25:14,254 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:16,501 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:17,393 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 69 [2021-02-23 23:25:18,021 WARN L202 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:25:18,800 WARN L202 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:25:21,060 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:21,843 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:25:24,109 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:26,361 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:27,916 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 247 DAG size of output: 79 [2021-02-23 23:25:28,593 WARN L202 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 65 [2021-02-23 23:25:30,852 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:31,526 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2021-02-23 23:25:33,793 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:34,339 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:25:35,255 WARN L202 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2021-02-23 23:25:36,282 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 157 DAG size of output: 69 [2021-02-23 23:25:36,914 WARN L202 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 66 [2021-02-23 23:25:39,175 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:39,796 WARN L202 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2021-02-23 23:25:40,577 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 67 [2021-02-23 23:25:42,846 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:44,240 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:25:45,344 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2021-02-23 23:25:46,252 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2021-02-23 23:25:48,523 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:49,307 WARN L202 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:25:50,091 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:25:50,734 WARN L202 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 65 [2021-02-23 23:25:51,389 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 67 [2021-02-23 23:25:53,669 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:25:54,272 WARN L202 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2021-02-23 23:25:55,049 WARN L202 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:25:55,801 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:25:56,449 WARN L202 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 65 [2021-02-23 23:25:57,733 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 187 DAG size of output: 75 [2021-02-23 23:25:58,715 WARN L202 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2021-02-23 23:25:59,677 WARN L202 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 69 [2021-02-23 23:26:00,309 WARN L202 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 66 [2021-02-23 23:26:01,236 WARN L202 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 71 [2021-02-23 23:26:01,970 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:26:02,888 WARN L202 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 68 [2021-02-23 23:26:05,170 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:06,425 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 208 DAG size of output: 75 [2021-02-23 23:26:07,326 WARN L202 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2021-02-23 23:26:08,035 WARN L202 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 68 [2021-02-23 23:26:09,065 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 211 DAG size of output: 68 [2021-02-23 23:26:09,815 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:26:10,942 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 166 DAG size of output: 74 [2021-02-23 23:26:13,230 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:14,196 WARN L202 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 69 [2021-02-23 23:26:16,483 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:17,118 WARN L202 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 66 [2021-02-23 23:26:17,904 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:26:18,544 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:26:20,819 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:21,459 WARN L202 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:26:23,750 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:24,992 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 202 DAG size of output: 71 [2021-02-23 23:26:27,277 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:29,564 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:30,317 WARN L202 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:26:30,955 WARN L202 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 66 [2021-02-23 23:26:31,612 WARN L202 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2021-02-23 23:26:32,483 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 72 [2021-02-23 23:26:34,764 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:35,331 WARN L202 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:26:36,130 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:26:38,449 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:40,752 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:43,045 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:43,686 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:26:45,982 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:46,772 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:26:47,417 WARN L202 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:26:48,213 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:26:50,506 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:51,150 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:26:52,073 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2021-02-23 23:26:53,234 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 210 DAG size of output: 72 [2021-02-23 23:26:54,276 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 160 DAG size of output: 74 [2021-02-23 23:26:55,028 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:26:55,931 WARN L202 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 69 [2021-02-23 23:26:56,619 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2021-02-23 23:26:58,946 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:26:59,884 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 69 [2021-02-23 23:27:00,530 WARN L202 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:27:01,094 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:27:03,403 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:27:03,967 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:27:04,614 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:27:06,918 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:27:09,217 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:27:10,252 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:27:10,796 WARN L202 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 53 [2021-02-23 23:27:11,468 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:27:12,633 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 210 DAG size of output: 72 [2021-02-23 23:27:13,197 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 64 [2021-02-23 23:27:14,190 WARN L202 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2021-02-23 23:27:14,849 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 67 [2021-02-23 23:27:15,546 WARN L202 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2021-02-23 23:27:17,859 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:27:18,528 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 67 [2021-02-23 23:27:20,844 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:27:21,411 WARN L202 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:27:22,957 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 174 DAG size of output: 74 [2021-02-23 23:27:25,279 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:27:26,179 WARN L202 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 67 [2021-02-23 23:27:27,105 WARN L202 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 70 [2021-02-23 23:27:28,022 WARN L202 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 71 [2021-02-23 23:27:28,816 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:27:29,453 WARN L202 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2021-02-23 23:27:31,759 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:27:32,438 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2021-02-23 23:27:33,908 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 217 DAG size of output: 71 [2021-02-23 23:27:34,983 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 166 DAG size of output: 73 [2021-02-23 23:27:35,691 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 70 [2021-02-23 23:27:36,693 WARN L202 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:27:37,266 WARN L202 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 66 [2021-02-23 23:27:38,305 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:27:40,629 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:27:41,254 WARN L202 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:27:42,172 WARN L202 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 70 [2021-02-23 23:27:43,216 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:27:43,862 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 66 [2021-02-23 23:27:44,696 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:27:45,580 WARN L202 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:27:46,619 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:27:47,332 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 64 [2021-02-23 23:27:48,676 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 169 DAG size of output: 75 [2021-02-23 23:27:51,020 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:27:51,666 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:27:52,247 WARN L202 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2021-02-23 23:27:52,973 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 71 [2021-02-23 23:27:54,578 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 247 DAG size of output: 79 [2021-02-23 23:27:56,014 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 205 DAG size of output: 73 [2021-02-23 23:27:57,004 WARN L202 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 69 [2021-02-23 23:27:58,318 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 163 DAG size of output: 70 [2021-02-23 23:27:58,956 WARN L202 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 63 [2021-02-23 23:27:59,763 WARN L202 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:28:02,096 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:04,425 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:06,778 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:07,609 WARN L202 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:28:08,134 WARN L202 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 53 [2021-02-23 23:28:08,790 WARN L202 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:28:09,313 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 53 [2021-02-23 23:28:11,661 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:12,379 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 68 [2021-02-23 23:28:13,368 WARN L202 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 70 [2021-02-23 23:28:14,175 WARN L202 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:28:15,070 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:28:15,937 WARN L202 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2021-02-23 23:28:18,272 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:19,286 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2021-02-23 23:28:21,638 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:22,598 WARN L202 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2021-02-23 23:28:23,304 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2021-02-23 23:28:23,887 WARN L202 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2021-02-23 23:28:24,904 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2021-02-23 23:28:25,592 WARN L202 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 68 [2021-02-23 23:28:26,408 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:28:26,985 WARN L202 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2021-02-23 23:28:29,332 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:31,690 WARN L202 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:32,450 WARN L202 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2021-02-23 23:28:33,633 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 156 DAG size of output: 68 [2021-02-23 23:28:34,451 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 63 [2021-02-23 23:28:36,796 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:37,740 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 67 [2021-02-23 23:28:38,454 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 69 [2021-02-23 23:28:39,353 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 67 [2021-02-23 23:28:40,113 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2021-02-23 23:28:40,776 WARN L202 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:28:41,781 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 67 [2021-02-23 23:28:42,547 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 68 [2021-02-23 23:28:44,934 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:45,680 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:28:46,306 WARN L202 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 66 [2021-02-23 23:28:46,956 WARN L202 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2021-02-23 23:28:49,306 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:51,660 WARN L202 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:28:53,095 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:28:53,906 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:28:54,715 WARN L202 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 68 [2021-02-23 23:28:55,911 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 159 DAG size of output: 71 [2021-02-23 23:28:57,306 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 225 DAG size of output: 75 [2021-02-23 23:28:58,003 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 70 [2021-02-23 23:28:58,703 WARN L202 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2021-02-23 23:28:59,473 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 69 [2021-02-23 23:29:00,581 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 172 DAG size of output: 71 [2021-02-23 23:29:01,289 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2021-02-23 23:29:02,488 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 213 DAG size of output: 71 [2021-02-23 23:29:03,609 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 156 DAG size of output: 69 [2021-02-23 23:29:05,972 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:29:06,668 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 69 [2021-02-23 23:29:07,441 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:29:08,257 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:29:09,227 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2021-02-23 23:29:09,990 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2021-02-23 23:29:10,807 WARN L202 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:29:11,530 WARN L202 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 71 [2021-02-23 23:29:12,308 WARN L202 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 65 [2021-02-23 23:29:13,081 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:29:14,525 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:29:15,189 WARN L202 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:29:15,865 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 67 [2021-02-23 23:29:16,654 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:29:17,435 WARN L202 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 65 [2021-02-23 23:29:18,187 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:29:18,985 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 65 [2021-02-23 23:29:21,355 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:29:22,801 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:29:25,203 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:29:25,836 WARN L202 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 64 [2021-02-23 23:29:26,522 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2021-02-23 23:29:27,348 WARN L202 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 65 [2021-02-23 23:29:27,490 WARN L202 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 36 [2021-02-23 23:29:28,808 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 178 DAG size of output: 75 [2021-02-23 23:29:31,176 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:29:32,407 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 159 DAG size of output: 72 [2021-02-23 23:29:33,405 WARN L202 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 73 [2021-02-23 23:29:34,147 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 70 [2021-02-23 23:29:34,944 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:29:35,810 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 67 [2021-02-23 23:29:36,875 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 211 DAG size of output: 68 [2021-02-23 23:29:37,593 WARN L202 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 68 [2021-02-23 23:29:38,315 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:29:40,699 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:29:43,075 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:29:43,784 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 69 [2021-02-23 23:29:44,565 WARN L202 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 71 [2021-02-23 23:29:45,383 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:29:46,199 WARN L202 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:29:48,591 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:29:50,981 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:29:51,805 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:29:52,460 WARN L202 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2021-02-23 23:29:54,857 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:29:55,674 WARN L202 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:29:56,344 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:29:57,015 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:29:59,410 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:30:00,229 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:30:02,673 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:30:03,539 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:30:06,043 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:30:06,730 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 66 [2021-02-23 23:30:09,150 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:30:09,835 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 67 [2021-02-23 23:30:12,230 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:30:13,054 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:30:15,454 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:30:17,854 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:30:18,534 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2021-02-23 23:30:20,925 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:30:21,746 WARN L202 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:30:22,418 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:30:23,240 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:30:25,644 WARN L202 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:30:40,797 WARN L202 SmtUtils]: Spent 15.11 s on a formula simplification. DAG size of input: 383 DAG size of output: 166 [2021-02-23 23:30:56,041 WARN L202 SmtUtils]: Spent 15.22 s on a formula simplification. DAG size of input: 383 DAG size of output: 166 [2021-02-23 23:30:58,490 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 267 DAG size of output: 79 [2021-02-23 23:30:59,296 WARN L202 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:31:00,286 WARN L202 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 71 [2021-02-23 23:31:01,248 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 69 [2021-02-23 23:31:01,986 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 69 [2021-02-23 23:31:04,437 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:05,235 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:31:07,659 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:10,093 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:10,893 WARN L202 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:31:13,323 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:14,311 WARN L202 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2021-02-23 23:31:15,108 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 63 [2021-02-23 23:31:17,547 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:18,506 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 71 [2021-02-23 23:31:19,320 WARN L202 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:31:20,466 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 178 DAG size of output: 76 [2021-02-23 23:31:21,251 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 70 [2021-02-23 23:31:22,077 WARN L202 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:31:23,033 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 69 [2021-02-23 23:31:25,472 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:26,196 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 68 [2021-02-23 23:31:28,635 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:29,932 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 158 DAG size of output: 72 [2021-02-23 23:31:30,835 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 67 [2021-02-23 23:31:31,545 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 65 [2021-02-23 23:31:33,990 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:34,692 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 65 [2021-02-23 23:31:35,539 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:31:37,986 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:40,425 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:42,871 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:43,712 WARN L202 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:31:44,404 WARN L202 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 67 [2021-02-23 23:31:45,111 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 65 [2021-02-23 23:31:46,054 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:31:48,526 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:49,855 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 214 DAG size of output: 75 [2021-02-23 23:31:52,305 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:31:53,181 WARN L202 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:31:54,486 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 184 DAG size of output: 76 [2021-02-23 23:31:55,771 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 206 DAG size of output: 68 [2021-02-23 23:31:56,879 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 211 DAG size of output: 68 [2021-02-23 23:31:59,332 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:01,782 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:02,883 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:32:03,984 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:32:05,081 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:32:06,179 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 168 DAG size of output: 58 [2021-02-23 23:32:08,637 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:11,118 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:12,424 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 202 DAG size of output: 71 [2021-02-23 23:32:14,923 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:16,381 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 239 DAG size of output: 79 [2021-02-23 23:32:17,312 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 72 [2021-02-23 23:32:18,536 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 167 DAG size of output: 72 [2021-02-23 23:32:19,967 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 167 DAG size of output: 74 [2021-02-23 23:32:22,478 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:24,943 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:25,947 WARN L202 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 66 [2021-02-23 23:32:26,810 WARN L202 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 67 [2021-02-23 23:32:28,079 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 206 DAG size of output: 70 [2021-02-23 23:32:30,547 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:31,619 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2021-02-23 23:32:32,400 WARN L202 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 70 [2021-02-23 23:32:33,081 WARN L202 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 65 [2021-02-23 23:32:35,559 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:36,234 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 61 [2021-02-23 23:32:37,081 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:32:37,927 WARN L202 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:32:38,775 WARN L202 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 67 [2021-02-23 23:32:41,250 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:41,970 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2021-02-23 23:32:42,944 WARN L202 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 69 [2021-02-23 23:32:44,203 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 213 DAG size of output: 71 [2021-02-23 23:32:45,203 WARN L202 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 69 [2021-02-23 23:32:47,680 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:50,154 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:50,857 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2021-02-23 23:32:52,384 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 223 DAG size of output: 75 [2021-02-23 23:32:52,998 WARN L202 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:32:53,694 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 66 [2021-02-23 23:32:56,312 WARN L202 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:32:57,387 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 204 DAG size of output: 69 [2021-02-23 23:32:58,948 WARN L202 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 217 DAG size of output: 71 [2021-02-23 23:33:00,211 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 155 DAG size of output: 69 [2021-02-23 23:33:01,021 WARN L202 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 63 [2021-02-23 23:33:01,628 WARN L202 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 64 [2021-02-23 23:33:04,108 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 260 DAG size of output: 79 [2021-02-23 23:33:05,120 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:33:05,726 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 62 [2021-02-23 23:33:06,814 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 208 DAG size of output: 69 [2021-02-23 23:33:07,934 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 211 DAG size of output: 68 [2021-02-23 23:33:08,694 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:33:09,496 WARN L202 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 65 [2021-02-23 23:33:10,369 WARN L202 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 67 [2021-02-23 23:33:11,239 WARN L202 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 66