/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/Problem10_label43.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 00:02:30,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 00:02:30,177 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 00:02:30,231 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-24 00:02:30,260 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 00:02:30,263 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 00:02:30,265 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 00:02:30,267 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 00:02:30,270 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 00:02:30,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 00:02:30,287 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 00:02:30,295 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 00:02:30,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 00:02:30,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 00:02:30,301 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 00:02:30,304 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 00:02:30,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-02-24 00:02:30,330 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-24 00:02:30,354 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 00:02:30,355 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 00:02:30,361 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 00:02:30,361 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 00:02:30,361 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 00:02:30,361 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 00:02:30,362 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 00:02:30,362 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 00:02:30,362 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 00:02:30,362 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 00:02:30,363 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 00:02:30,364 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 00:02:30,364 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 00:02:30,364 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 00:02:30,365 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 00:02:30,365 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 00:02:30,365 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 00:02:30,365 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 00:02:30,365 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:02:30,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 00:02:30,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 00:02:30,366 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 00:02:30,366 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-24 00:02:30,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 00:02:30,799 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 00:02:30,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 00:02:30,803 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 00:02:30,809 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 00:02:30,810 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2021-02-24 00:02:30,887 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1eb9bd2e/601ef59410844250b97dac8e82aae76a/FLAGe67e3ac1a [2021-02-24 00:02:31,721 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 00:02:31,722 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label43.c [2021-02-24 00:02:31,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1eb9bd2e/601ef59410844250b97dac8e82aae76a/FLAGe67e3ac1a [2021-02-24 00:02:31,939 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1eb9bd2e/601ef59410844250b97dac8e82aae76a [2021-02-24 00:02:31,943 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 00:02:31,960 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 00:02:31,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 00:02:31,967 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 00:02:31,971 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 00:02:31,971 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:02:31" (1/1) ... [2021-02-24 00:02:31,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44389c6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:31, skipping insertion in model container [2021-02-24 00:02:31,974 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 12:02:31" (1/1) ... [2021-02-24 00:02:31,983 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 00:02:32,026 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 00:02:32,255 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/Problem10_label43.c[4120,4133] [2021-02-24 00:02:32,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:02:32,455 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 00:02:32,489 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/Problem10_label43.c[4120,4133] [2021-02-24 00:02:32,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 00:02:32,671 INFO L208 MainTranslator]: Completed translation [2021-02-24 00:02:32,672 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32 WrapperNode [2021-02-24 00:02:32,672 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 00:02:32,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 00:02:32,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 00:02:32,674 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 00:02:32,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32" (1/1) ... [2021-02-24 00:02:32,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32" (1/1) ... [2021-02-24 00:02:32,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32" (1/1) ... [2021-02-24 00:02:32,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32" (1/1) ... [2021-02-24 00:02:32,815 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32" (1/1) ... [2021-02-24 00:02:32,840 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32" (1/1) ... [2021-02-24 00:02:32,856 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32" (1/1) ... [2021-02-24 00:02:32,864 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 00:02:32,865 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 00:02:32,865 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 00:02:32,865 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 00:02:32,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 00:02:32,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 00:02:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 00:02:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 00:02:32,973 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-24 00:02:32,974 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 00:02:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-24 00:02:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 00:02:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 00:02:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 00:02:32,974 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 00:02:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 00:02:32,975 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-24 00:02:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 00:02:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 00:02:32,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 00:02:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 00:02:32,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 00:02:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 00:02:32,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 00:02:34,501 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 00:02:34,501 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-24 00:02:34,504 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:02:34 BoogieIcfgContainer [2021-02-24 00:02:34,504 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 00:02:34,506 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 00:02:34,506 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 00:02:34,510 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 00:02:34,511 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 12:02:31" (1/3) ... [2021-02-24 00:02:34,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68433ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:02:34, skipping insertion in model container [2021-02-24 00:02:34,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 12:02:32" (2/3) ... [2021-02-24 00:02:34,512 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68433ec5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 12:02:34, skipping insertion in model container [2021-02-24 00:02:34,512 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 12:02:34" (3/3) ... [2021-02-24 00:02:34,514 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem10_label43.c [2021-02-24 00:02:34,522 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 00:02:34,528 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 00:02:34,549 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 00:02:34,575 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 00:02:34,575 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 00:02:34,575 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-24 00:02:34,575 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 00:02:34,575 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 00:02:34,575 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 00:02:34,576 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 00:02:34,576 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 00:02:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states. [2021-02-24 00:02:34,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2021-02-24 00:02:34,618 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:34,619 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] [2021-02-24 00:02:34,620 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:34,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:34,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1590222506, now seen corresponding path program 1 times [2021-02-24 00:02:34,637 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:34,637 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [920643835] [2021-02-24 00:02:34,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:35,019 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-24 00:02:35,021 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-24 00:02:35,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:35,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:02:35,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:35,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:02:35,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:35,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:35,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:35,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:35,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:35,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:35,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:35,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:35,156 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:02:35,157 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [920643835] [2021-02-24 00:02:35,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:02:35,160 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 00:02:35,161 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [218442607] [2021-02-24 00:02:35,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 00:02:35,166 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:35,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 00:02:35,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 00:02:35,185 INFO L87 Difference]: Start difference. First operand 465 states. Second operand 5 states. [2021-02-24 00:02:38,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:38,333 INFO L93 Difference]: Finished difference Result 1235 states and 1806 transitions. [2021-02-24 00:02:38,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 00:02:38,336 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 62 [2021-02-24 00:02:38,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:38,371 INFO L225 Difference]: With dead ends: 1235 [2021-02-24 00:02:38,372 INFO L226 Difference]: Without dead ends: 715 [2021-02-24 00:02:38,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-24 00:02:38,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2021-02-24 00:02:38,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 703. [2021-02-24 00:02:38,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 703 states. [2021-02-24 00:02:38,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 703 states and 934 transitions. [2021-02-24 00:02:38,623 INFO L78 Accepts]: Start accepts. Automaton has 703 states and 934 transitions. Word has length 62 [2021-02-24 00:02:38,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:38,624 INFO L480 AbstractCegarLoop]: Abstraction has 703 states and 934 transitions. [2021-02-24 00:02:38,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 00:02:38,624 INFO L276 IsEmpty]: Start isEmpty. Operand 703 states and 934 transitions. [2021-02-24 00:02:38,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-02-24 00:02:38,633 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:38,634 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:38,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 00:02:38,634 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:38,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:38,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1960616931, now seen corresponding path program 1 times [2021-02-24 00:02:38,636 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:38,636 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [645202107] [2021-02-24 00:02:38,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:38,747 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-24 00:02:38,748 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-24 00:02:38,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:38,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 00:02:38,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:38,753 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:38,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:38,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:38,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:38,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:38,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:38,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:38,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:38,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:38,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:38,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:38,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:02:38,953 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [645202107] [2021-02-24 00:02:38,953 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:02:38,953 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 00:02:38,953 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495441466] [2021-02-24 00:02:38,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 00:02:38,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:38,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 00:02:38,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-24 00:02:38,957 INFO L87 Difference]: Start difference. First operand 703 states and 934 transitions. Second operand 8 states. [2021-02-24 00:02:41,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:41,407 INFO L93 Difference]: Finished difference Result 1567 states and 2138 transitions. [2021-02-24 00:02:41,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-24 00:02:41,408 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 145 [2021-02-24 00:02:41,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:41,422 INFO L225 Difference]: With dead ends: 1567 [2021-02-24 00:02:41,423 INFO L226 Difference]: Without dead ends: 887 [2021-02-24 00:02:41,430 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-02-24 00:02:41,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 887 states. [2021-02-24 00:02:41,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 887 to 861. [2021-02-24 00:02:41,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 861 states. [2021-02-24 00:02:41,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1098 transitions. [2021-02-24 00:02:41,600 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1098 transitions. Word has length 145 [2021-02-24 00:02:41,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:41,608 INFO L480 AbstractCegarLoop]: Abstraction has 861 states and 1098 transitions. [2021-02-24 00:02:41,609 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 00:02:41,609 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1098 transitions. [2021-02-24 00:02:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-02-24 00:02:41,618 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:41,619 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:41,619 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 00:02:41,619 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:41,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:41,620 INFO L82 PathProgramCache]: Analyzing trace with hash 990448120, now seen corresponding path program 1 times [2021-02-24 00:02:41,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:41,621 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2129808240] [2021-02-24 00:02:41,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:41,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:41,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:41,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:41,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:41,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:41,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:41,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:41,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:41,783 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:41,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:41,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:41,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:41,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:41,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:41,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:41,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:41,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:41,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:42,013 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:42,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:02:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 7 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:02:42,081 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2129808240] [2021-02-24 00:02:42,081 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:02:42,082 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-24 00:02:42,082 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080840769] [2021-02-24 00:02:42,082 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 00:02:42,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:42,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 00:02:42,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-24 00:02:42,084 INFO L87 Difference]: Start difference. First operand 861 states and 1098 transitions. Second operand 8 states. [2021-02-24 00:02:46,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:46,045 INFO L93 Difference]: Finished difference Result 2982 states and 4121 transitions. [2021-02-24 00:02:46,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 00:02:46,046 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 151 [2021-02-24 00:02:46,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:46,072 INFO L225 Difference]: With dead ends: 2982 [2021-02-24 00:02:46,073 INFO L226 Difference]: Without dead ends: 2144 [2021-02-24 00:02:46,079 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2021-02-24 00:02:46,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2144 states. [2021-02-24 00:02:46,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2144 to 1695. [2021-02-24 00:02:46,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1695 states. [2021-02-24 00:02:46,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1695 states to 1695 states and 2219 transitions. [2021-02-24 00:02:46,390 INFO L78 Accepts]: Start accepts. Automaton has 1695 states and 2219 transitions. Word has length 151 [2021-02-24 00:02:46,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:46,391 INFO L480 AbstractCegarLoop]: Abstraction has 1695 states and 2219 transitions. [2021-02-24 00:02:46,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 00:02:46,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2219 transitions. [2021-02-24 00:02:46,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2021-02-24 00:02:46,397 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:46,397 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:46,398 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 00:02:46,398 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:46,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:46,399 INFO L82 PathProgramCache]: Analyzing trace with hash 1454249901, now seen corresponding path program 1 times [2021-02-24 00:02:46,399 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:46,399 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [454652051] [2021-02-24 00:02:46,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:46,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:46,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:46,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:46,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:46,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:46,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:46,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:46,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:46,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:46,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:46,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:46,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:46,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:46,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:46,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:46,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:46,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:46,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:46,750 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 00:02:46,750 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [454652051] [2021-02-24 00:02:46,751 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 00:02:46,751 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 00:02:46,751 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749503208] [2021-02-24 00:02:46,752 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 00:02:46,752 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:46,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 00:02:46,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-24 00:02:46,753 INFO L87 Difference]: Start difference. First operand 1695 states and 2219 transitions. Second operand 7 states. [2021-02-24 00:02:49,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:49,508 INFO L93 Difference]: Finished difference Result 4223 states and 5719 transitions. [2021-02-24 00:02:49,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 00:02:49,509 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 208 [2021-02-24 00:02:49,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:49,537 INFO L225 Difference]: With dead ends: 4223 [2021-02-24 00:02:49,538 INFO L226 Difference]: Without dead ends: 2551 [2021-02-24 00:02:49,547 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-24 00:02:49,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2551 states. [2021-02-24 00:02:49,960 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2551 to 2331. [2021-02-24 00:02:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2331 states. [2021-02-24 00:02:49,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 2331 states and 2953 transitions. [2021-02-24 00:02:49,972 INFO L78 Accepts]: Start accepts. Automaton has 2331 states and 2953 transitions. Word has length 208 [2021-02-24 00:02:49,972 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:49,972 INFO L480 AbstractCegarLoop]: Abstraction has 2331 states and 2953 transitions. [2021-02-24 00:02:49,972 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 00:02:49,972 INFO L276 IsEmpty]: Start isEmpty. Operand 2331 states and 2953 transitions. [2021-02-24 00:02:49,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2021-02-24 00:02:49,978 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:49,978 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:49,978 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 00:02:49,979 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:49,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:49,979 INFO L82 PathProgramCache]: Analyzing trace with hash -1943834956, now seen corresponding path program 1 times [2021-02-24 00:02:49,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:49,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1309688435] [2021-02-24 00:02:49,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:50,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:50,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:50,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:50,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:50,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:50,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:50,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:50,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:50,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:50,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:50,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:50,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:50,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:50,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:50,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 00:02:50,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-02-24 00:02:50,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:50,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:50,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:50,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:50,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:50,321 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 149 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-24 00:02:50,321 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1309688435] [2021-02-24 00:02:50,321 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:02:50,321 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-24 00:02:50,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642233301] [2021-02-24 00:02:50,322 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 00:02:50,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:50,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 00:02:50,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-24 00:02:50,323 INFO L87 Difference]: Start difference. First operand 2331 states and 2953 transitions. Second operand 7 states. [2021-02-24 00:02:54,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:02:54,175 INFO L93 Difference]: Finished difference Result 6263 states and 8312 transitions. [2021-02-24 00:02:54,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 00:02:54,175 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 230 [2021-02-24 00:02:54,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:02:54,218 INFO L225 Difference]: With dead ends: 6263 [2021-02-24 00:02:54,219 INFO L226 Difference]: Without dead ends: 3955 [2021-02-24 00:02:54,231 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-24 00:02:54,237 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3955 states. [2021-02-24 00:02:54,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3955 to 3615. [2021-02-24 00:02:54,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3615 states. [2021-02-24 00:02:55,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3615 states to 3615 states and 4638 transitions. [2021-02-24 00:02:55,024 INFO L78 Accepts]: Start accepts. Automaton has 3615 states and 4638 transitions. Word has length 230 [2021-02-24 00:02:55,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:02:55,025 INFO L480 AbstractCegarLoop]: Abstraction has 3615 states and 4638 transitions. [2021-02-24 00:02:55,025 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 00:02:55,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3615 states and 4638 transitions. [2021-02-24 00:02:55,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-02-24 00:02:55,032 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:02:55,033 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:02:55,033 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 00:02:55,034 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:02:55,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:02:55,034 INFO L82 PathProgramCache]: Analyzing trace with hash 1463571441, now seen corresponding path program 1 times [2021-02-24 00:02:55,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:02:55,035 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1849091285] [2021-02-24 00:02:55,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:02:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:55,110 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:02:55,111 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:02:55,126 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:02:55,128 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:02:55,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:55,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:55,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:02:55,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:55,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:55,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:55,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:55,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:02:55,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:55,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:02:55,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:55,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 00:02:55,225 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:02:55,225 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:02:55,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:02:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:55,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:55,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:02:55,302 WARN L141 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size [2021-02-24 00:02:55,304 WARN L147 QuantifierPusher]: treesize reduction 3, result has 89.7 percent of original size 26 [2021-02-24 00:02:55,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:55,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 00:02:55,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:55,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-24 00:02:55,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-02-24 00:02:55,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:02:55,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:02:55,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:02:55,634 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 76 proven. 72 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-02-24 00:02:55,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1849091285] [2021-02-24 00:02:55,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:02:55,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-02-24 00:02:55,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288442324] [2021-02-24 00:02:55,636 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-24 00:02:55,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:02:55,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-24 00:02:55,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-02-24 00:02:55,648 INFO L87 Difference]: Start difference. First operand 3615 states and 4638 transitions. Second operand 12 states. [2021-02-24 00:02:56,350 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-02-24 00:02:57,452 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 66 [2021-02-24 00:02:57,761 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 67 [2021-02-24 00:03:01,443 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 77 [2021-02-24 00:03:02,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:03:02,424 INFO L93 Difference]: Finished difference Result 8585 states and 10723 transitions. [2021-02-24 00:03:02,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-24 00:03:02,425 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 237 [2021-02-24 00:03:02,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:03:02,462 INFO L225 Difference]: With dead ends: 8585 [2021-02-24 00:03:02,462 INFO L226 Difference]: Without dead ends: 5003 [2021-02-24 00:03:02,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=164, Invalid=538, Unknown=0, NotChecked=0, Total=702 [2021-02-24 00:03:02,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5003 states. [2021-02-24 00:03:03,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5003 to 4438. [2021-02-24 00:03:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4438 states. [2021-02-24 00:03:03,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4438 states to 4438 states and 5289 transitions. [2021-02-24 00:03:03,451 INFO L78 Accepts]: Start accepts. Automaton has 4438 states and 5289 transitions. Word has length 237 [2021-02-24 00:03:03,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:03:03,451 INFO L480 AbstractCegarLoop]: Abstraction has 4438 states and 5289 transitions. [2021-02-24 00:03:03,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-24 00:03:03,452 INFO L276 IsEmpty]: Start isEmpty. Operand 4438 states and 5289 transitions. [2021-02-24 00:03:03,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2021-02-24 00:03:03,462 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:03:03,463 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 00:03:03,463 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 00:03:03,463 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:03:03,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:03:03,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1609386992, now seen corresponding path program 1 times [2021-02-24 00:03:03,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:03:03,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [107103318] [2021-02-24 00:03:03,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:03:03,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:03,547 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:03,550 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:03,557 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:03:03,558 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:03:03,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:03,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:03,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:03:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:03,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:03,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:03,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:03,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:03,658 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:03,660 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:03,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:03:03,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:03,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:03,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:03,717 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:03,718 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:03,719 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-24 00:03:03,720 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-24 00:03:03,734 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-24 00:03:03,739 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-24 00:03:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2021-02-24 00:03:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:03,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:03,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:03,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:03,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:03,996 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-24 00:03:03,997 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [107103318] [2021-02-24 00:03:03,997 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:03:03,997 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-24 00:03:03,999 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1754025744] [2021-02-24 00:03:03,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 00:03:04,000 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:03:04,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 00:03:04,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2021-02-24 00:03:04,001 INFO L87 Difference]: Start difference. First operand 4438 states and 5289 transitions. Second operand 10 states. [2021-02-24 00:03:09,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:03:09,500 INFO L93 Difference]: Finished difference Result 11008 states and 13507 transitions. [2021-02-24 00:03:09,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 00:03:09,501 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 302 [2021-02-24 00:03:09,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:03:09,543 INFO L225 Difference]: With dead ends: 11008 [2021-02-24 00:03:09,543 INFO L226 Difference]: Without dead ends: 6587 [2021-02-24 00:03:09,557 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=141, Invalid=321, Unknown=0, NotChecked=0, Total=462 [2021-02-24 00:03:09,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6587 states. [2021-02-24 00:03:10,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6587 to 5043. [2021-02-24 00:03:10,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5043 states. [2021-02-24 00:03:10,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5043 states to 5043 states and 5783 transitions. [2021-02-24 00:03:10,702 INFO L78 Accepts]: Start accepts. Automaton has 5043 states and 5783 transitions. Word has length 302 [2021-02-24 00:03:10,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:03:10,702 INFO L480 AbstractCegarLoop]: Abstraction has 5043 states and 5783 transitions. [2021-02-24 00:03:10,702 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 00:03:10,702 INFO L276 IsEmpty]: Start isEmpty. Operand 5043 states and 5783 transitions. [2021-02-24 00:03:10,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2021-02-24 00:03:10,713 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:03:10,713 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-02-24 00:03:10,714 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 00:03:10,714 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:03:10,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:03:10,714 INFO L82 PathProgramCache]: Analyzing trace with hash 819453278, now seen corresponding path program 1 times [2021-02-24 00:03:10,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:03:10,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [53787838] [2021-02-24 00:03:10,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:03:10,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:10,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:10,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:10,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 00:03:10,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:10,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:10,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:10,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:10,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:03:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:10,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:10,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:10,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:03:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:10,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:10,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:10,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:03:10,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2021-02-24 00:03:11,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:11,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:11,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:11,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:11,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:03:11,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-02-24 00:03:11,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:11,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:11,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:11,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:11,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 00:03:11,251 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 38 proven. 112 refuted. 0 times theorem prover too weak. 201 trivial. 0 not checked. [2021-02-24 00:03:11,252 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [53787838] [2021-02-24 00:03:11,252 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:03:11,252 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2021-02-24 00:03:11,252 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243862444] [2021-02-24 00:03:11,253 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-24 00:03:11,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:03:11,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-24 00:03:11,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2021-02-24 00:03:11,254 INFO L87 Difference]: Start difference. First operand 5043 states and 5783 transitions. Second operand 12 states. [2021-02-24 00:03:11,474 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-02-24 00:03:12,067 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 65 [2021-02-24 00:03:12,646 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 63 [2021-02-24 00:03:17,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:03:17,775 INFO L93 Difference]: Finished difference Result 12897 states and 15129 transitions. [2021-02-24 00:03:17,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-24 00:03:17,779 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 325 [2021-02-24 00:03:17,779 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:03:17,843 INFO L225 Difference]: With dead ends: 12897 [2021-02-24 00:03:17,843 INFO L226 Difference]: Without dead ends: 7870 [2021-02-24 00:03:17,858 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=122, Invalid=298, Unknown=0, NotChecked=0, Total=420 [2021-02-24 00:03:17,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7870 states. [2021-02-24 00:03:19,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7870 to 6003. [2021-02-24 00:03:19,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6003 states. [2021-02-24 00:03:19,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6003 states to 6003 states and 7041 transitions. [2021-02-24 00:03:19,095 INFO L78 Accepts]: Start accepts. Automaton has 6003 states and 7041 transitions. Word has length 325 [2021-02-24 00:03:19,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:03:19,095 INFO L480 AbstractCegarLoop]: Abstraction has 6003 states and 7041 transitions. [2021-02-24 00:03:19,095 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-24 00:03:19,096 INFO L276 IsEmpty]: Start isEmpty. Operand 6003 states and 7041 transitions. [2021-02-24 00:03:19,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 338 [2021-02-24 00:03:19,108 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 00:03:19,109 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 00:03:19,109 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 00:03:19,109 INFO L428 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 00:03:19,109 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 00:03:19,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1688544759, now seen corresponding path program 1 times [2021-02-24 00:03:19,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 00:03:19,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146042494] [2021-02-24 00:03:19,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 00:03:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:19,212 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:19,214 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:19,220 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:03:19,221 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:03:19,236 WARN L141 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size [2021-02-24 00:03:19,236 WARN L147 QuantifierPusher]: treesize reduction 2, result has 86.7 percent of original size 13 [2021-02-24 00:03:19,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:19,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 6 [2021-02-24 00:03:19,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:19,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 00:03:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:19,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:19,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:19,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:19,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 00:03:19,318 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:19,319 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:19,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2021-02-24 00:03:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:19,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:19,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:19,378 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:19,379 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:19,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 00:03:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 00:03:19,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 00:03:19,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 00:03:19,458 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-24 00:03:19,459 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-24 00:03:19,460 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-24 00:03:19,460 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-24 00:03:19,474 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-24 00:03:19,475 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-24 00:03:19,723 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 79 proven. 2 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-02-24 00:03:19,724 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146042494] [2021-02-24 00:03:19,724 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-24 00:03:19,724 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-02-24 00:03:19,725 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615468368] [2021-02-24 00:03:19,726 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-24 00:03:19,732 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 00:03:19,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-24 00:03:19,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2021-02-24 00:03:19,733 INFO L87 Difference]: Start difference. First operand 6003 states and 7041 transitions. Second operand 9 states. [2021-02-24 00:03:26,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 00:03:26,657 INFO L93 Difference]: Finished difference Result 14078 states and 16884 transitions. [2021-02-24 00:03:26,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-24 00:03:26,658 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 337 [2021-02-24 00:03:26,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 00:03:26,674 INFO L225 Difference]: With dead ends: 14078 [2021-02-24 00:03:26,674 INFO L226 Difference]: Without dead ends: 0 [2021-02-24 00:03:26,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=116, Invalid=226, Unknown=0, NotChecked=0, Total=342 [2021-02-24 00:03:26,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-24 00:03:26,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-24 00:03:26,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-24 00:03:26,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-24 00:03:26,705 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 337 [2021-02-24 00:03:26,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 00:03:26,706 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-24 00:03:26,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-24 00:03:26,706 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-24 00:03:26,706 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-24 00:03:26,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-24 00:03:26,709 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-24 00:03:28,360 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 108 [2021-02-24 00:03:28,722 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 82 [2021-02-24 00:03:31,306 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 99 [2021-02-24 00:03:43,986 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 102 [2021-02-24 00:03:51,097 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 101 [2021-02-24 00:03:54,564 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 175 [2021-02-24 00:03:54,897 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 174 [2021-02-24 00:03:56,083 WARN L202 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 174 [2021-02-24 00:03:56,292 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 174 [2021-02-24 00:03:59,098 WARN L202 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 175 [2021-02-24 00:04:09,289 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 175 [2021-02-24 00:04:09,438 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 175 [2021-02-24 00:04:09,588 WARN L202 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 175 [2021-02-24 00:04:14,804 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 175 [2021-02-24 00:04:21,796 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 175 [2021-02-24 00:04:41,747 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 166 [2021-02-24 00:04:41,925 WARN L202 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 194 [2021-02-24 00:04:42,230 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 171 [2021-02-24 00:04:42,428 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 193 [2021-02-24 00:04:42,844 WARN L202 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 198 [2021-02-24 00:04:43,368 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2021-02-24 00:04:43,788 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 168 [2021-02-24 00:04:44,499 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 166 [2021-02-24 00:04:44,674 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 194 [2021-02-24 00:04:44,970 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 171 [2021-02-24 00:04:45,183 WARN L202 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 193 [2021-02-24 00:04:45,400 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 167 [2021-02-24 00:04:45,601 WARN L202 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 198 [2021-02-24 00:04:46,101 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 170 [2021-02-24 00:04:46,524 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 168 [2021-02-24 00:05:15,105 WARN L202 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:17,264 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:18,278 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 210 DAG size of output: 56 [2021-02-24 00:05:20,437 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:22,582 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:23,368 WARN L202 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2021-02-24 00:05:24,388 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 201 DAG size of output: 59 [2021-02-24 00:05:25,243 WARN L202 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 60 [2021-02-24 00:05:26,355 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 243 DAG size of output: 61 [2021-02-24 00:05:28,531 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:29,954 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 239 DAG size of output: 60 [2021-02-24 00:05:31,346 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 243 DAG size of output: 64 [2021-02-24 00:05:32,324 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2021-02-24 00:05:34,472 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:35,422 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 60 [2021-02-24 00:05:36,222 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2021-02-24 00:05:37,359 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 221 DAG size of output: 63 [2021-02-24 00:05:39,534 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:41,704 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:43,868 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:44,983 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 210 DAG size of output: 62 [2021-02-24 00:05:47,140 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:47,955 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2021-02-24 00:05:48,754 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 55 [2021-02-24 00:05:49,692 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 59 [2021-02-24 00:05:50,741 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 244 DAG size of output: 60 [2021-02-24 00:05:52,926 WARN L202 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:05:53,962 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 202 DAG size of output: 62 [2021-02-24 00:05:54,755 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 55 [2021-02-24 00:05:55,526 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:05:56,457 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:05:58,519 WARN L202 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:05:59,459 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:06:01,511 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:06:03,554 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:06:05,608 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:06:06,550 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:06:07,495 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:06:09,520 WARN L202 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:06:11,572 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:06:12,521 WARN L202 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:06:13,500 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:06:15,464 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:06:16,210 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:06:18,169 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:06:20,162 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:06:22,111 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:06:22,863 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:06:24,833 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:06:25,629 WARN L202 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 57 [2021-02-24 00:06:27,713 WARN L202 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:06:29,795 WARN L202 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:06:30,698 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 61 [2021-02-24 00:06:31,930 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 243 DAG size of output: 65 [2021-02-24 00:06:33,568 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 250 DAG size of output: 63 [2021-02-24 00:06:35,013 WARN L202 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 243 DAG size of output: 55 [2021-02-24 00:06:36,104 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 242 DAG size of output: 61 [2021-02-24 00:06:36,896 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 56 [2021-02-24 00:06:38,989 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:06:41,092 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:06:41,988 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 67 [2021-02-24 00:06:44,093 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:06:44,919 WARN L202 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 62 [2021-02-24 00:06:45,831 WARN L202 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 64 [2021-02-24 00:06:46,625 WARN L202 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 59 [2021-02-24 00:06:47,759 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 243 DAG size of output: 57 [2021-02-24 00:06:48,663 WARN L202 SmtUtils]: Spent 894.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:06:49,601 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 61 [2021-02-24 00:06:50,738 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 251 DAG size of output: 60 [2021-02-24 00:06:51,699 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 60 [2021-02-24 00:06:53,801 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:06:54,946 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2021-02-24 00:06:55,944 WARN L202 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 56 [2021-02-24 00:06:58,042 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:06:58,875 WARN L202 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 56 [2021-02-24 00:06:59,891 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 245 DAG size of output: 59 [2021-02-24 00:07:00,714 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 56 [2021-02-24 00:07:02,093 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 243 DAG size of output: 64 [2021-02-24 00:07:02,902 WARN L202 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 56 [2021-02-24 00:07:03,854 WARN L202 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 59 [2021-02-24 00:07:05,357 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 269 DAG size of output: 61 [2021-02-24 00:07:06,375 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 210 DAG size of output: 56 [2021-02-24 00:07:07,261 WARN L202 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 65 [2021-02-24 00:07:09,384 WARN L202 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:10,544 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 211 DAG size of output: 59 [2021-02-24 00:07:11,633 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 241 DAG size of output: 59 [2021-02-24 00:07:12,550 WARN L202 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 63 [2021-02-24 00:07:13,632 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 210 DAG size of output: 67 [2021-02-24 00:07:14,587 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 61 [2021-02-24 00:07:16,716 WARN L202 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:18,853 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:21,007 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:21,933 WARN L202 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:07:22,843 WARN L202 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:07:23,877 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 236 DAG size of output: 56 [2021-02-24 00:07:24,719 WARN L202 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2021-02-24 00:07:25,393 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:07:26,345 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 58 [2021-02-24 00:07:27,453 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 242 DAG size of output: 61 [2021-02-24 00:07:28,350 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 67 [2021-02-24 00:07:29,026 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:07:31,177 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:33,320 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:33,996 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:07:35,147 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 221 DAG size of output: 60 [2021-02-24 00:07:35,830 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:07:37,969 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:38,991 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 201 DAG size of output: 61 [2021-02-24 00:07:41,147 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:42,209 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 240 DAG size of output: 54 [2021-02-24 00:07:44,366 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:45,155 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 56 [2021-02-24 00:07:46,088 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:07:47,021 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:07:49,047 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:07:49,972 WARN L202 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:07:50,655 WARN L202 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:07:51,647 WARN L202 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 61 [2021-02-24 00:07:52,736 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 204 DAG size of output: 65 [2021-02-24 00:07:53,629 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 56 [2021-02-24 00:07:54,631 WARN L202 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 61 [2021-02-24 00:07:55,395 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2021-02-24 00:07:57,560 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:07:58,556 WARN L202 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 62 [2021-02-24 00:07:59,338 WARN L202 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 58 [2021-02-24 00:08:00,277 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:08:02,291 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:08:03,079 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:08:05,109 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:08:07,138 WARN L202 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:08:09,177 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:08:10,106 WARN L202 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:08:11,336 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2021-02-24 00:08:12,433 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 244 DAG size of output: 61 [2021-02-24 00:08:14,605 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:08:16,772 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:08:17,769 WARN L202 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 61 [2021-02-24 00:08:18,732 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 55 [2021-02-24 00:08:20,895 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:08:23,072 WARN L202 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:08:25,239 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:08:27,422 WARN L202 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:08:28,928 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 243 DAG size of output: 55 [2021-02-24 00:08:29,755 WARN L202 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 56 [2021-02-24 00:08:30,628 WARN L202 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2021-02-24 00:08:31,457 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 56 [2021-02-24 00:08:32,261 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2021-02-24 00:08:33,328 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 236 DAG size of output: 56 [2021-02-24 00:08:34,372 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 207 DAG size of output: 59 [2021-02-24 00:08:35,372 WARN L202 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 55 [2021-02-24 00:08:36,767 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 243 DAG size of output: 58 [2021-02-24 00:08:37,555 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 58 [2021-02-24 00:08:38,538 WARN L202 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 61 [2021-02-24 00:08:39,461 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 60 [2021-02-24 00:08:40,434 WARN L202 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 62 [2021-02-24 00:08:41,340 WARN L202 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 65 [2021-02-24 00:08:42,170 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 54 [2021-02-24 00:08:43,049 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 62 [2021-02-24 00:08:43,924 WARN L202 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 60 [2021-02-24 00:08:45,047 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 241 DAG size of output: 59 [2021-02-24 00:08:46,171 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2021-02-24 00:08:47,188 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 217 DAG size of output: 60 [2021-02-24 00:08:48,162 WARN L202 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 59 [2021-02-24 00:08:49,616 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 239 DAG size of output: 60 [2021-02-24 00:08:50,758 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 241 DAG size of output: 59 [2021-02-24 00:08:51,563 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2021-02-24 00:08:53,758 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:08:55,011 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2021-02-24 00:08:57,214 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:08:58,477 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 242 DAG size of output: 59 [2021-02-24 00:09:00,683 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:09:01,751 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 210 DAG size of output: 56 [2021-02-24 00:09:02,890 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 241 DAG size of output: 59 [2021-02-24 00:09:03,709 WARN L202 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2021-02-24 00:09:04,419 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:09:05,123 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:09:05,833 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:09:06,532 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 45 [2021-02-24 00:09:08,617 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:09:09,573 WARN L202 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:09:10,542 WARN L202 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:09:11,512 WARN L202 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:09:13,603 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:09:14,798 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 207 DAG size of output: 70 [2021-02-24 00:09:17,007 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:09:19,231 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:09:21,285 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:09:22,253 WARN L202 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:09:24,347 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:09:25,151 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:09:27,263 WARN L202 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:09:29,374 WARN L202 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:09:30,350 WARN L202 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:09:32,460 WARN L202 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:09:33,183 WARN L202 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:09:35,282 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:09:37,389 WARN L202 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:09:38,203 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:09:39,185 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:09:40,173 WARN L202 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:09:41,173 WARN L202 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 58 [2021-02-24 00:09:42,652 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 239 DAG size of output: 60 [2021-02-24 00:09:44,912 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:09:47,005 WARN L202 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:09:47,820 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:09:48,803 WARN L202 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:09:50,919 WARN L202 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:09:51,876 WARN L202 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 65 [2021-02-24 00:09:52,764 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 57 [2021-02-24 00:09:53,609 WARN L202 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2021-02-24 00:09:54,593 WARN L202 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 62 [2021-02-24 00:09:55,505 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 59 [2021-02-24 00:09:56,371 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2021-02-24 00:09:58,654 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:10:00,931 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:10:03,248 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:10:04,322 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2021-02-24 00:10:05,395 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 199 DAG size of output: 61 [2021-02-24 00:10:06,607 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 204 DAG size of output: 59 [2021-02-24 00:10:07,691 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 203 DAG size of output: 63 [2021-02-24 00:10:08,808 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 236 DAG size of output: 56 [2021-02-24 00:10:10,017 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 201 DAG size of output: 57 [2021-02-24 00:10:11,568 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 259 DAG size of output: 56 [2021-02-24 00:10:12,814 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 204 DAG size of output: 61 [2021-02-24 00:10:14,089 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 244 DAG size of output: 59 [2021-02-24 00:10:15,160 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2021-02-24 00:10:16,838 WARN L202 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 269 DAG size of output: 61 [2021-02-24 00:10:17,760 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2021-02-24 00:10:18,681 WARN L202 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 55 [2021-02-24 00:10:19,753 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 205 DAG size of output: 58 [2021-02-24 00:10:20,699 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 59 [2021-02-24 00:10:21,458 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 46 [2021-02-24 00:10:22,470 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:10:24,636 WARN L202 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:10:26,803 WARN L202 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:10:29,177 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:10:31,525 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:10:33,039 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 243 DAG size of output: 58 [2021-02-24 00:10:34,030 WARN L202 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 64 [2021-02-24 00:10:35,043 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2021-02-24 00:10:36,123 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 202 DAG size of output: 62 [2021-02-24 00:10:37,062 WARN L202 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 59 [2021-02-24 00:10:38,228 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 244 DAG size of output: 60 [2021-02-24 00:10:39,175 WARN L202 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 59 [2021-02-24 00:10:40,409 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 242 DAG size of output: 58 [2021-02-24 00:10:42,742 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:10:43,653 WARN L202 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 54 [2021-02-24 00:10:44,805 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 200 DAG size of output: 57 [2021-02-24 00:10:45,945 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 200 DAG size of output: 60 [2021-02-24 00:10:48,287 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:10:50,519 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:10:51,380 WARN L202 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:10:52,433 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:10:53,468 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:10:55,705 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:10:56,740 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:10:58,995 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:11:01,410 WARN L202 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:11:02,397 WARN L202 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 53 [2021-02-24 00:11:03,659 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 242 DAG size of output: 58 [2021-02-24 00:11:04,851 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 217 DAG size of output: 61 [2021-02-24 00:11:06,335 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 239 DAG size of output: 63 [2021-02-24 00:11:07,943 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 243 DAG size of output: 64 [2021-02-24 00:11:10,344 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:11:12,713 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:11:14,181 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 240 DAG size of output: 63 [2021-02-24 00:11:15,779 WARN L202 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 239 DAG size of output: 60 [2021-02-24 00:11:16,684 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2021-02-24 00:11:19,074 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:11:21,501 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:11:22,421 WARN L202 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 54 [2021-02-24 00:11:23,477 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:11:23,625 WARN L202 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 33 [2021-02-24 00:11:25,904 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:11:28,211 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:11:30,506 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:11:31,577 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:11:32,630 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:11:33,702 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:11:35,976 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:11:37,056 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:11:39,364 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:11:41,788 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:11:44,204 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:11:45,825 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 239 DAG size of output: 60 [2021-02-24 00:11:46,698 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 53 [2021-02-24 00:11:49,109 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:11:50,032 WARN L202 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 59 [2021-02-24 00:11:51,231 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 245 DAG size of output: 59 [2021-02-24 00:11:52,356 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 243 DAG size of output: 58 [2021-02-24 00:11:53,385 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 200 DAG size of output: 62 [2021-02-24 00:11:54,409 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 212 DAG size of output: 63 [2021-02-24 00:11:55,385 WARN L202 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 61 [2021-02-24 00:11:56,990 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 243 DAG size of output: 64 [2021-02-24 00:11:58,448 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 243 DAG size of output: 65 [2021-02-24 00:11:59,386 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2021-02-24 00:12:00,364 WARN L202 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 61 [2021-02-24 00:12:01,488 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 200 DAG size of output: 59 [2021-02-24 00:12:02,515 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 208 DAG size of output: 68 [2021-02-24 00:12:03,455 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 61 [2021-02-24 00:12:04,671 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 206 DAG size of output: 62 [2021-02-24 00:12:06,066 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 244 DAG size of output: 59 [2021-02-24 00:12:07,383 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 251 DAG size of output: 60 [2021-02-24 00:12:08,567 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 236 DAG size of output: 56 [2021-02-24 00:12:09,518 WARN L202 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 59 [2021-02-24 00:12:10,705 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 243 DAG size of output: 55 [2021-02-24 00:12:11,825 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 208 DAG size of output: 59 [2021-02-24 00:12:12,804 WARN L202 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 56 [2021-02-24 00:12:15,258 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:12:17,802 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:12:20,322 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:12:21,241 WARN L202 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 58 [2021-02-24 00:12:22,372 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 243 DAG size of output: 58 [2021-02-24 00:12:23,383 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 58 [2021-02-24 00:12:25,916 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:12:28,422 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:12:30,931 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:12:33,316 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:12:54,296 WARN L202 SmtUtils]: Spent 20.92 s on a formula simplification. DAG size of input: 693 DAG size of output: 186 [2021-02-24 00:13:15,296 WARN L202 SmtUtils]: Spent 20.95 s on a formula simplification. DAG size of input: 693 DAG size of output: 182 [2021-02-24 00:13:16,265 WARN L202 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:13:18,901 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:13:20,700 WARN L202 SmtUtils]: Spent 1.79 s on a formula simplification. DAG size of input: 269 DAG size of output: 61 [2021-02-24 00:13:22,101 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 208 DAG size of output: 68 [2021-02-24 00:13:23,289 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 243 DAG size of output: 58 [2021-02-24 00:13:24,622 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 205 DAG size of output: 65 [2021-02-24 00:13:25,905 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 202 DAG size of output: 62 [2021-02-24 00:13:27,154 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2021-02-24 00:13:28,567 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2021-02-24 00:13:29,808 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 202 DAG size of output: 63 [2021-02-24 00:13:30,767 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:13:33,223 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:13:34,174 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:13:36,706 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:13:39,218 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:13:41,727 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:13:42,926 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:13:44,088 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:13:45,290 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:13:47,813 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:13:49,099 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 245 DAG size of output: 59 [2021-02-24 00:13:50,580 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 243 DAG size of output: 61 [2021-02-24 00:13:51,862 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 245 DAG size of output: 59 [2021-02-24 00:13:52,936 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 200 DAG size of output: 60 [2021-02-24 00:13:54,091 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 237 DAG size of output: 61 [2021-02-24 00:13:55,122 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 199 DAG size of output: 54 [2021-02-24 00:13:56,762 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 236 DAG size of output: 63 [2021-02-24 00:13:57,730 WARN L202 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 56 [2021-02-24 00:13:59,087 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 242 DAG size of output: 61 [2021-02-24 00:14:01,591 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:14:04,163 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:14:05,174 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:14:06,358 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:14:07,333 WARN L202 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:14:09,880 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:14:10,876 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:14:13,479 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:14:16,024 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:14:18,522 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:14:21,091 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:14:23,609 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 368 DAG size of output: 56 [2021-02-24 00:14:26,207 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:14:27,214 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:14:28,063 WARN L202 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 45 [2021-02-24 00:14:29,227 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:14:30,059 WARN L202 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 45 [2021-02-24 00:14:32,698 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:14:34,060 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 240 DAG size of output: 54 [2021-02-24 00:14:36,819 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:14:39,594 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:14:40,979 WARN L202 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 244 DAG size of output: 61 [2021-02-24 00:14:42,382 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 202 DAG size of output: 62 [2021-02-24 00:14:45,175 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:14:47,875 WARN L202 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:14:49,293 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 243 DAG size of output: 61 [2021-02-24 00:14:50,554 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 202 DAG size of output: 59 [2021-02-24 00:14:51,716 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 211 DAG size of output: 60 [2021-02-24 00:14:53,381 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 244 DAG size of output: 63 [2021-02-24 00:14:54,989 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 211 DAG size of output: 58 [2021-02-24 00:14:56,227 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:14:58,893 WARN L202 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:15:01,531 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:15:02,583 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:15:04,078 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 208 DAG size of output: 61 [2021-02-24 00:15:05,495 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 214 DAG size of output: 62 [2021-02-24 00:15:06,750 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 211 DAG size of output: 59 [2021-02-24 00:15:07,934 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 203 DAG size of output: 57 [2021-02-24 00:15:09,453 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 242 DAG size of output: 58 [2021-02-24 00:15:12,396 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:15:14,443 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 269 DAG size of output: 61 [2021-02-24 00:15:15,741 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 207 DAG size of output: 55 [2021-02-24 00:15:17,031 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 243 DAG size of output: 55 [2021-02-24 00:15:18,575 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 241 DAG size of output: 59 [2021-02-24 00:15:19,938 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 203 DAG size of output: 62 [2021-02-24 00:15:21,033 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 203 DAG size of output: 57 [2021-02-24 00:15:22,298 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 213 DAG size of output: 66 [2021-02-24 00:15:23,459 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 205 DAG size of output: 53 [2021-02-24 00:15:24,562 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 219 DAG size of output: 64 [2021-02-24 00:15:26,066 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 209 DAG size of output: 65 [2021-02-24 00:15:27,496 WARN L202 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 210 DAG size of output: 56 [2021-02-24 00:15:28,775 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:15:30,086 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:15:32,837 WARN L202 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:15:33,859 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 226 DAG size of output: 52 [2021-02-24 00:15:36,690 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 358 DAG size of output: 61 [2021-02-24 00:15:39,409 WARN L202 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 367 DAG size of output: 59 [2021-02-24 00:15:40,553 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 203 DAG size of output: 55 [2021-02-24 00:15:41,809 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 228 DAG size of output: 54 [2021-02-24 00:15:43,059 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 207 DAG size of output: 68 [2021-02-24 00:15:45,704 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 358 DAG size of output: 61