/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/Problem02_label36.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:42:06,237 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:42:06,240 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:42:06,274 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:42:06,329 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:42:06,343 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:42:06,343 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:42:06,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:42:06,345 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:42:06,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:42:06,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:42:06,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:42:06,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:42:06,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:42:06,347 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:42:06,347 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:42:06,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:42:06,347 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:42:06,348 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:42:06,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:42:06,348 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:42:06,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:42:06,349 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:42:06,349 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:42:06,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:42:06,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:42:06,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:42:06,350 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:42:06,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:42:06,730 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:42:06,733 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:42:06,735 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:42:06,735 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:42:06,737 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2021-02-23 23:42:06,824 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a46d1832/6bec2ee2bfd64c5ca3c4976e5ac57af9/FLAG36f60e7c1 [2021-02-23 23:42:07,494 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:42:07,494 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label36.c [2021-02-23 23:42:07,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a46d1832/6bec2ee2bfd64c5ca3c4976e5ac57af9/FLAG36f60e7c1 [2021-02-23 23:42:07,774 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1a46d1832/6bec2ee2bfd64c5ca3c4976e5ac57af9 [2021-02-23 23:42:07,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:42:07,798 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:42:07,804 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:42:07,804 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:42:07,809 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:42:07,810 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:42:07" (1/1) ... [2021-02-23 23:42:07,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ef6b1c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:07, skipping insertion in model container [2021-02-23 23:42:07,812 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:42:07" (1/1) ... [2021-02-23 23:42:07,822 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:42:07,892 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:42:08,267 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/Problem02_label36.c[20425,20438] [2021-02-23 23:42:08,305 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:42:08,326 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:42:08,488 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/Problem02_label36.c[20425,20438] [2021-02-23 23:42:08,505 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:42:08,536 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:42:08,537 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08 WrapperNode [2021-02-23 23:42:08,537 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:42:08,538 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:42:08,538 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:42:08,538 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:42:08,552 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08" (1/1) ... [2021-02-23 23:42:08,552 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08" (1/1) ... [2021-02-23 23:42:08,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08" (1/1) ... [2021-02-23 23:42:08,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08" (1/1) ... [2021-02-23 23:42:08,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08" (1/1) ... [2021-02-23 23:42:08,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08" (1/1) ... [2021-02-23 23:42:08,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08" (1/1) ... [2021-02-23 23:42:08,649 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:42:08,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:42:08,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:42:08,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:42:08,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:42:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:42:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:42:08,790 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:42:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-23 23:42:08,791 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:42:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-23 23:42:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:42:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:42:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:42:08,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:42:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:42:08,793 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:42:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:42:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:42:08,794 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:42:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:42:08,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:42:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:42:08,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:42:10,297 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:42:10,297 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:42:10,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:42:10 BoogieIcfgContainer [2021-02-23 23:42:10,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:42:10,306 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:42:10,306 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:42:10,344 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:42:10,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:42:07" (1/3) ... [2021-02-23 23:42:10,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5112debf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:42:10, skipping insertion in model container [2021-02-23 23:42:10,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:08" (2/3) ... [2021-02-23 23:42:10,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5112debf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:42:10, skipping insertion in model container [2021-02-23 23:42:10,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:42:10" (3/3) ... [2021-02-23 23:42:10,349 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label36.c [2021-02-23 23:42:10,360 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:42:10,366 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:42:10,387 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:42:10,422 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:42:10,422 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:42:10,422 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:42:10,422 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:42:10,423 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:42:10,423 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:42:10,423 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:42:10,423 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:42:10,463 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-23 23:42:10,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-23 23:42:10,514 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:10,515 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:10,515 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:10,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:10,525 INFO L82 PathProgramCache]: Analyzing trace with hash 537659793, now seen corresponding path program 1 times [2021-02-23 23:42:10,535 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:10,536 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [167371701] [2021-02-23 23:42:10,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:10,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:11,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:11,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:11,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:11,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:11,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:11,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:11,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:11,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:11,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:11,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:11,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:11,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:11,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:42:11,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:42:11,320 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [167371701] [2021-02-23 23:42:11,322 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:42:11,323 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 23:42:11,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438933846] [2021-02-23 23:42:11,329 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 23:42:11,329 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:11,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 23:42:11,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-23 23:42:11,346 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 4 states. [2021-02-23 23:42:13,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:13,791 INFO L93 Difference]: Finished difference Result 1215 states and 1661 transitions. [2021-02-23 23:42:13,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-23 23:42:13,794 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2021-02-23 23:42:13,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:13,828 INFO L225 Difference]: With dead ends: 1215 [2021-02-23 23:42:13,830 INFO L226 Difference]: Without dead ends: 636 [2021-02-23 23:42:13,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:42:13,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2021-02-23 23:42:14,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 623. [2021-02-23 23:42:14,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 623 states. [2021-02-23 23:42:14,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 623 states and 759 transitions. [2021-02-23 23:42:14,089 INFO L78 Accepts]: Start accepts. Automaton has 623 states and 759 transitions. Word has length 166 [2021-02-23 23:42:14,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:14,090 INFO L480 AbstractCegarLoop]: Abstraction has 623 states and 759 transitions. [2021-02-23 23:42:14,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 23:42:14,090 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 759 transitions. [2021-02-23 23:42:14,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2021-02-23 23:42:14,096 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:14,097 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:14,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:42:14,098 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:14,098 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:14,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1496814521, now seen corresponding path program 1 times [2021-02-23 23:42:14,099 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:14,099 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [164558968] [2021-02-23 23:42:14,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:14,260 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:42:14,260 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:42:14,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:14,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:14,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:14,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:14,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:14,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:14,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:14,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:14,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:14,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:14,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:14,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:14,404 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:14,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:14,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:42:14,469 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [164558968] [2021-02-23 23:42:14,470 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:42:14,470 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 23:42:14,470 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814535004] [2021-02-23 23:42:14,472 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:42:14,472 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:14,473 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:42:14,473 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:42:14,473 INFO L87 Difference]: Start difference. First operand 623 states and 759 transitions. Second operand 8 states. [2021-02-23 23:42:17,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:17,528 INFO L93 Difference]: Finished difference Result 1904 states and 2487 transitions. [2021-02-23 23:42:17,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:42:17,529 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 200 [2021-02-23 23:42:17,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:17,540 INFO L225 Difference]: With dead ends: 1904 [2021-02-23 23:42:17,540 INFO L226 Difference]: Without dead ends: 1311 [2021-02-23 23:42:17,545 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:42:17,547 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1311 states. [2021-02-23 23:42:17,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1311 to 1247. [2021-02-23 23:42:17,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1247 states. [2021-02-23 23:42:17,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1247 states to 1247 states and 1549 transitions. [2021-02-23 23:42:17,801 INFO L78 Accepts]: Start accepts. Automaton has 1247 states and 1549 transitions. Word has length 200 [2021-02-23 23:42:17,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:17,801 INFO L480 AbstractCegarLoop]: Abstraction has 1247 states and 1549 transitions. [2021-02-23 23:42:17,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:42:17,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1549 transitions. [2021-02-23 23:42:17,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2021-02-23 23:42:17,809 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:17,809 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:17,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:42:17,810 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:17,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:17,811 INFO L82 PathProgramCache]: Analyzing trace with hash 1597995468, now seen corresponding path program 1 times [2021-02-23 23:42:17,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:17,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1690503031] [2021-02-23 23:42:17,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:17,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:17,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:17,874 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:17,875 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:17,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:17,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:17,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:17,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:17,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:17,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:17,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:17,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:17,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:17,992 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:17,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:18,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:18,095 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:42:18,095 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1690503031] [2021-02-23 23:42:18,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:42:18,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 23:42:18,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372981414] [2021-02-23 23:42:18,098 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:42:18,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:18,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:42:18,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:42:18,099 INFO L87 Difference]: Start difference. First operand 1247 states and 1549 transitions. Second operand 7 states. [2021-02-23 23:42:18,299 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-23 23:42:21,269 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:21,270 INFO L93 Difference]: Finished difference Result 3489 states and 4482 transitions. [2021-02-23 23:42:21,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:42:21,271 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 201 [2021-02-23 23:42:21,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:21,295 INFO L225 Difference]: With dead ends: 3489 [2021-02-23 23:42:21,295 INFO L226 Difference]: Without dead ends: 2272 [2021-02-23 23:42:21,303 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:42:21,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2272 states. [2021-02-23 23:42:21,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2272 to 2156. [2021-02-23 23:42:21,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2156 states. [2021-02-23 23:42:21,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2156 states to 2156 states and 2639 transitions. [2021-02-23 23:42:21,740 INFO L78 Accepts]: Start accepts. Automaton has 2156 states and 2639 transitions. Word has length 201 [2021-02-23 23:42:21,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:21,744 INFO L480 AbstractCegarLoop]: Abstraction has 2156 states and 2639 transitions. [2021-02-23 23:42:21,744 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:42:21,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2156 states and 2639 transitions. [2021-02-23 23:42:21,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-23 23:42:21,754 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:21,755 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:21,755 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:42:21,758 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:21,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:21,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1037405980, now seen corresponding path program 1 times [2021-02-23 23:42:21,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:21,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968094395] [2021-02-23 23:42:21,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:21,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:21,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:42:21,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:21,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:42:21,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:21,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:21,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:21,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:42:22,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:22,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:42:22,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:22,004 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:22,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:22,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:22,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:22,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:22,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:22,108 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:42:22,109 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:42:22,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:22,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:22,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:22,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:22,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:42:22,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:42:22,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:22,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:22,158 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:22,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:22,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:42:22,160 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:42:22,161 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:42:22,175 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:42:22,177 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:42:22,193 WARN L141 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size [2021-02-23 23:42:22,195 WARN L147 QuantifierPusher]: treesize reduction 6, result has 68.4 percent of original size 13 [2021-02-23 23:42:22,214 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-23 23:42:22,215 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-23 23:42:22,242 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-23 23:42:22,243 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-23 23:42:22,493 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 33 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 23:42:22,494 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968094395] [2021-02-23 23:42:22,494 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:22,494 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:42:22,494 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074309381] [2021-02-23 23:42:22,495 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:42:22,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:22,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:42:22,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:42:22,496 INFO L87 Difference]: Start difference. First operand 2156 states and 2639 transitions. Second operand 13 states. [2021-02-23 23:42:23,817 WARN L202 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 92 [2021-02-23 23:42:24,042 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 86 [2021-02-23 23:42:26,098 WARN L202 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 88 [2021-02-23 23:42:28,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:28,681 INFO L93 Difference]: Finished difference Result 7495 states and 9617 transitions. [2021-02-23 23:42:28,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:42:28,691 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 222 [2021-02-23 23:42:28,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:28,724 INFO L225 Difference]: With dead ends: 7495 [2021-02-23 23:42:28,724 INFO L226 Difference]: Without dead ends: 3976 [2021-02-23 23:42:28,739 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2021-02-23 23:42:28,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3976 states. [2021-02-23 23:42:29,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3976 to 3543. [2021-02-23 23:42:29,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3543 states. [2021-02-23 23:42:29,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3543 states to 3543 states and 4270 transitions. [2021-02-23 23:42:29,549 INFO L78 Accepts]: Start accepts. Automaton has 3543 states and 4270 transitions. Word has length 222 [2021-02-23 23:42:29,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:29,550 INFO L480 AbstractCegarLoop]: Abstraction has 3543 states and 4270 transitions. [2021-02-23 23:42:29,550 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:42:29,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3543 states and 4270 transitions. [2021-02-23 23:42:29,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2021-02-23 23:42:29,566 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:29,567 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:29,567 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:42:29,567 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:29,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:29,568 INFO L82 PathProgramCache]: Analyzing trace with hash -67569095, now seen corresponding path program 1 times [2021-02-23 23:42:29,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:29,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [34609421] [2021-02-23 23:42:29,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:29,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:29,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:29,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:29,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:29,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:29,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:29,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:29,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:29,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:29,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:29,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:29,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:42:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:29,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:29,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:29,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:29,910 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 60 proven. 9 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:42:29,911 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [34609421] [2021-02-23 23:42:29,911 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:29,911 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-02-23 23:42:29,911 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [552808068] [2021-02-23 23:42:29,912 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 23:42:29,912 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:29,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 23:42:29,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-02-23 23:42:29,913 INFO L87 Difference]: Start difference. First operand 3543 states and 4270 transitions. Second operand 9 states. [2021-02-23 23:42:33,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:33,160 INFO L93 Difference]: Finished difference Result 7478 states and 9203 transitions. [2021-02-23 23:42:33,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 23:42:33,161 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 233 [2021-02-23 23:42:33,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:33,191 INFO L225 Difference]: With dead ends: 7478 [2021-02-23 23:42:33,191 INFO L226 Difference]: Without dead ends: 3965 [2021-02-23 23:42:33,205 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=107, Invalid=273, Unknown=0, NotChecked=0, Total=380 [2021-02-23 23:42:33,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3965 states. [2021-02-23 23:42:33,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3965 to 3614. [2021-02-23 23:42:33,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3614 states. [2021-02-23 23:42:33,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3614 states to 3614 states and 4191 transitions. [2021-02-23 23:42:33,961 INFO L78 Accepts]: Start accepts. Automaton has 3614 states and 4191 transitions. Word has length 233 [2021-02-23 23:42:33,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:33,961 INFO L480 AbstractCegarLoop]: Abstraction has 3614 states and 4191 transitions. [2021-02-23 23:42:33,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 23:42:33,962 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 4191 transitions. [2021-02-23 23:42:33,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2021-02-23 23:42:33,975 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:33,976 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:33,976 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:42:33,976 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:33,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:33,977 INFO L82 PathProgramCache]: Analyzing trace with hash -589639061, now seen corresponding path program 1 times [2021-02-23 23:42:33,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:33,977 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021293038] [2021-02-23 23:42:33,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:34,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:34,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:34,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:34,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:34,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:34,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:34,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,128 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:34,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:34,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:34,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:42:34,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:42:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:34,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:34,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:34,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96 [2021-02-23 23:42:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:34,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:34,300 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 89 proven. 18 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-02-23 23:42:34,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021293038] [2021-02-23 23:42:34,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:34,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:42:34,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815103799] [2021-02-23 23:42:34,302 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:42:34,302 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:34,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:42:34,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:42:34,303 INFO L87 Difference]: Start difference. First operand 3614 states and 4191 transitions. Second operand 7 states. [2021-02-23 23:42:37,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:37,481 INFO L93 Difference]: Finished difference Result 7495 states and 8629 transitions. [2021-02-23 23:42:37,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:42:37,482 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 255 [2021-02-23 23:42:37,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:37,507 INFO L225 Difference]: With dead ends: 7495 [2021-02-23 23:42:37,507 INFO L226 Difference]: Without dead ends: 3526 [2021-02-23 23:42:37,518 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:42:37,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3526 states. [2021-02-23 23:42:38,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3526 to 3475. [2021-02-23 23:42:38,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3475 states. [2021-02-23 23:42:38,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3475 states and 3832 transitions. [2021-02-23 23:42:38,347 INFO L78 Accepts]: Start accepts. Automaton has 3475 states and 3832 transitions. Word has length 255 [2021-02-23 23:42:38,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:38,347 INFO L480 AbstractCegarLoop]: Abstraction has 3475 states and 3832 transitions. [2021-02-23 23:42:38,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:42:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 3475 states and 3832 transitions. [2021-02-23 23:42:38,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2021-02-23 23:42:38,357 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:38,358 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:38,358 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:42:38,358 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:38,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:38,359 INFO L82 PathProgramCache]: Analyzing trace with hash -1210311349, now seen corresponding path program 1 times [2021-02-23 23:42:38,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:38,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1144440765] [2021-02-23 23:42:38,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:38,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:38,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:38,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:38,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:38,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:38,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 23:42:38,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:38,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,515 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:42:38,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2021-02-23 23:42:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:38,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:38,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,594 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-23 23:42:38,595 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1144440765] [2021-02-23 23:42:38,595 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:42:38,595 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-02-23 23:42:38,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727282437] [2021-02-23 23:42:38,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-02-23 23:42:38,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:38,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-02-23 23:42:38,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:42:38,597 INFO L87 Difference]: Start difference. First operand 3475 states and 3832 transitions. Second operand 6 states. [2021-02-23 23:42:40,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:40,621 INFO L93 Difference]: Finished difference Result 4131 states and 4541 transitions. [2021-02-23 23:42:40,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 23:42:40,621 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 256 [2021-02-23 23:42:40,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:40,631 INFO L225 Difference]: With dead ends: 4131 [2021-02-23 23:42:40,632 INFO L226 Difference]: Without dead ends: 2030 [2021-02-23 23:42:40,637 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:42:40,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2030 states. [2021-02-23 23:42:41,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2030 to 2030. [2021-02-23 23:42:41,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2030 states. [2021-02-23 23:42:41,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2030 states to 2030 states and 2196 transitions. [2021-02-23 23:42:41,137 INFO L78 Accepts]: Start accepts. Automaton has 2030 states and 2196 transitions. Word has length 256 [2021-02-23 23:42:41,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:41,138 INFO L480 AbstractCegarLoop]: Abstraction has 2030 states and 2196 transitions. [2021-02-23 23:42:41,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-02-23 23:42:41,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2030 states and 2196 transitions. [2021-02-23 23:42:41,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-02-23 23:42:41,147 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:41,148 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:41,148 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:42:41,148 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:41,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:41,149 INFO L82 PathProgramCache]: Analyzing trace with hash -2090989368, now seen corresponding path program 1 times [2021-02-23 23:42:41,149 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:41,149 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447435800] [2021-02-23 23:42:41,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:41,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:41,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:41,232 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:42:41,232 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:42:41,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:41,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:41,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:41,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:41,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:41,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:41,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:41,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:41,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:41,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:41,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 23:42:41,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:41,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:41,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:41,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:41,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:41,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 23:42:41,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:41,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:41,419 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:41,532 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 130 proven. 18 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-02-23 23:42:41,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447435800] [2021-02-23 23:42:41,533 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:41,533 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:42:41,533 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292330575] [2021-02-23 23:42:41,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:42:41,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:41,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:42:41,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:42:41,534 INFO L87 Difference]: Start difference. First operand 2030 states and 2196 transitions. Second operand 8 states. [2021-02-23 23:42:42,822 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 84 [2021-02-23 23:42:44,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:44,038 INFO L93 Difference]: Finished difference Result 4338 states and 4739 transitions. [2021-02-23 23:42:44,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-23 23:42:44,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 298 [2021-02-23 23:42:44,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:44,048 INFO L225 Difference]: With dead ends: 4338 [2021-02-23 23:42:44,048 INFO L226 Difference]: Without dead ends: 1604 [2021-02-23 23:42:44,055 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2021-02-23 23:42:44,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1604 states. [2021-02-23 23:42:44,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1604 to 1604. [2021-02-23 23:42:44,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1604 states. [2021-02-23 23:42:44,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1604 states and 1660 transitions. [2021-02-23 23:42:44,327 INFO L78 Accepts]: Start accepts. Automaton has 1604 states and 1660 transitions. Word has length 298 [2021-02-23 23:42:44,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:44,327 INFO L480 AbstractCegarLoop]: Abstraction has 1604 states and 1660 transitions. [2021-02-23 23:42:44,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:42:44,327 INFO L276 IsEmpty]: Start isEmpty. Operand 1604 states and 1660 transitions. [2021-02-23 23:42:44,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2021-02-23 23:42:44,331 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:44,332 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2021-02-23 23:42:44,332 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:42:44,332 INFO L428 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:44,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:44,333 INFO L82 PathProgramCache]: Analyzing trace with hash -2097594895, now seen corresponding path program 1 times [2021-02-23 23:42:44,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:44,333 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145213558] [2021-02-23 23:42:44,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:44,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:42:44,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:42:44,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:44,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:44,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:44,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:44,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:44,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:44,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:44,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:44,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:44,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:44,563 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:42:44,563 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:42:44,575 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:42:44,576 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:42:44,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:44,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:44,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:44,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:44,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 23:42:44,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:44,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:44,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:44,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-02-23 23:42:44,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:44,664 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:44,666 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:44,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:44,841 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 126 proven. 24 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2021-02-23 23:42:44,841 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145213558] [2021-02-23 23:42:44,842 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:44,842 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-23 23:42:44,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776770979] [2021-02-23 23:42:44,843 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:42:44,843 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:44,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:42:44,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:42:44,844 INFO L87 Difference]: Start difference. First operand 1604 states and 1660 transitions. Second operand 10 states. [2021-02-23 23:42:47,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:47,928 INFO L93 Difference]: Finished difference Result 2248 states and 2342 transitions. [2021-02-23 23:42:47,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 23:42:47,930 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 340 [2021-02-23 23:42:47,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:47,933 INFO L225 Difference]: With dead ends: 2248 [2021-02-23 23:42:47,933 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:42:47,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=144, Invalid=318, Unknown=0, NotChecked=0, Total=462 [2021-02-23 23:42:47,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:42:47,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:42:47,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:42:47,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:42:47,938 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 340 [2021-02-23 23:42:47,938 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:47,938 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:42:47,938 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:42:47,938 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:42:47,938 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:42:47,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 23:42:47,941 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:43:33,505 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:43:35,951 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:43:36,962 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2021-02-23 23:43:38,127 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2021-02-23 23:43:38,874 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:43:39,666 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:43:41,998 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:43:42,962 WARN L202 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:43:45,310 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:43:47,629 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:43:49,948 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:43:50,913 WARN L202 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:43:51,725 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:43:53,005 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2021-02-23 23:43:54,184 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 146 DAG size of output: 75 [2021-02-23 23:43:54,981 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:43:56,138 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 153 DAG size of output: 83 [2021-02-23 23:43:57,058 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-02-23 23:43:57,923 WARN L202 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-02-23 23:44:00,400 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:44:01,572 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2021-02-23 23:44:02,371 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:04,847 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:44:05,645 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:06,444 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:07,324 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-02-23 23:44:08,123 WARN L202 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 78 [2021-02-23 23:44:08,675 WARN L202 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:44:09,587 WARN L202 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2021-02-23 23:44:12,059 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:44:13,014 WARN L202 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2021-02-23 23:44:13,566 WARN L202 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:44:14,119 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:44:14,923 WARN L202 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:17,316 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:44:18,289 WARN L202 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:44:19,085 WARN L202 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:44:20,028 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-02-23 23:44:20,948 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 71 [2021-02-23 23:44:21,753 WARN L202 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:22,761 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 150 DAG size of output: 76 [2021-02-23 23:44:25,251 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:44:26,274 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 102 DAG size of output: 78 [2021-02-23 23:44:27,420 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 153 DAG size of output: 75 [2021-02-23 23:44:29,904 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:44:30,916 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 113 DAG size of output: 77 [2021-02-23 23:44:31,726 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:32,600 WARN L202 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-02-23 23:44:35,078 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:44:37,565 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:44:38,374 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:39,362 WARN L202 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 75 [2021-02-23 23:44:40,003 WARN L202 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-02-23 23:44:40,812 WARN L202 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:41,371 WARN L202 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:44:42,183 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:44,676 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:44:47,153 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:44:48,099 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-02-23 23:44:49,041 WARN L202 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-02-23 23:44:49,996 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-02-23 23:44:50,977 WARN L202 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 76 [2021-02-23 23:44:51,878 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-02-23 23:44:52,692 WARN L202 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:53,504 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:54,315 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:54,954 WARN L202 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-02-23 23:44:55,760 WARN L202 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:44:56,794 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 115 DAG size of output: 79 [2021-02-23 23:44:57,669 WARN L202 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:45:00,162 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:45:01,198 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 103 DAG size of output: 73 [2021-02-23 23:45:02,144 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-02-23 23:45:02,944 WARN L202 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 77 [2021-02-23 23:45:05,494 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:45:08,032 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:45:09,025 WARN L202 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:45:10,017 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:45:10,820 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:45:13,202 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:45:14,005 WARN L202 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:45:16,383 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:45:18,765 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:45:19,584 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:45:20,870 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 153 DAG size of output: 84 [2021-02-23 23:45:21,691 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:45:22,900 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 145 DAG size of output: 72 [2021-02-23 23:45:23,953 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 146 DAG size of output: 76 [2021-02-23 23:45:26,466 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:45:27,382 WARN L202 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-02-23 23:45:28,313 WARN L202 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 72 [2021-02-23 23:45:29,136 WARN L202 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:45:29,962 WARN L202 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:45:30,783 WARN L202 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:45:31,723 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 72 [2021-02-23 23:45:34,230 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:45:35,435 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2021-02-23 23:45:37,956 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:45:38,782 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:45:39,507 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 73 [2021-02-23 23:45:42,022 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:45:44,538 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:45:45,364 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:45:47,889 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:45:50,289 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:45:51,506 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 145 DAG size of output: 72 [2021-02-23 23:45:52,289 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 76 [2021-02-23 23:45:53,116 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:45:55,519 WARN L202 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:45:56,331 WARN L202 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:45:57,141 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:45:57,951 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:46:00,352 WARN L202 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:46:01,010 WARN L202 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-02-23 23:46:03,538 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:46:04,566 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2021-02-23 23:46:05,398 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:07,938 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:46:08,879 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-02-23 23:46:09,711 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:10,652 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-02-23 23:46:11,489 WARN L202 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:12,323 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:13,247 WARN L202 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 73 [2021-02-23 23:46:14,267 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-02-23 23:46:15,101 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:15,938 WARN L202 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:17,129 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2021-02-23 23:46:17,965 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:18,976 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:46:21,391 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:46:23,805 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:46:24,625 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:46:25,441 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:46:26,535 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2021-02-23 23:46:29,079 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:46:29,915 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:30,870 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-02-23 23:46:33,424 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:46:34,169 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2021-02-23 23:46:35,009 WARN L202 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:37,568 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:46:38,410 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:46:39,380 WARN L202 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2021-02-23 23:46:40,688 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 154 DAG size of output: 75 [2021-02-23 23:46:41,753 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 106 DAG size of output: 76 [2021-02-23 23:46:42,706 WARN L202 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 76 [2021-02-23 23:46:43,664 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-02-23 23:46:44,801 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2021-02-23 23:46:46,014 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2021-02-23 23:46:48,576 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:46:49,815 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 152 DAG size of output: 79 [2021-02-23 23:46:50,877 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 106 DAG size of output: 75 [2021-02-23 23:46:51,693 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 73 [2021-02-23 23:46:52,434 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-02-23 23:46:55,110 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:46:56,232 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:46:57,348 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:46:58,465 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:47:01,128 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:47:02,066 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:47:03,134 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2021-02-23 23:47:04,045 WARN L202 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:47:04,933 WARN L202 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:47:07,705 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:47:10,497 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:47:11,559 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-02-23 23:47:12,448 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:47:13,506 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:47:14,519 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-02-23 23:47:17,121 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:47:18,013 WARN L202 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-02-23 23:47:19,070 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:47:21,637 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:47:24,181 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:47:25,274 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:47:27,841 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:47:30,510 WARN L202 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:47:33,159 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:47:34,027 WARN L202 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:47:35,130 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:47:36,015 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:47:38,671 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:47:39,578 WARN L202 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:47:40,485 WARN L202 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:47:43,210 WARN L202 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:47:45,939 WARN L202 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:47:46,955 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-02-23 23:47:48,001 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 96 DAG size of output: 70 [2021-02-23 23:47:48,886 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:47:51,582 WARN L202 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:47:52,988 WARN L202 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 149 DAG size of output: 77 [2021-02-23 23:47:54,044 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-02-23 23:47:56,754 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:47:57,778 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2021-02-23 23:47:58,854 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:47:59,695 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-02-23 23:48:02,292 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:48:03,239 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:04,242 WARN L202 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 72 [2021-02-23 23:48:05,101 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:05,956 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 80 [2021-02-23 23:48:06,637 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-02-23 23:48:07,750 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 106 DAG size of output: 77 [2021-02-23 23:48:08,486 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2021-02-23 23:48:09,342 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:11,930 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:48:14,527 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:48:15,225 WARN L202 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-02-23 23:48:17,827 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:48:19,066 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 153 DAG size of output: 83 [2021-02-23 23:48:20,681 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2021-02-23 23:48:21,542 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:22,398 WARN L202 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:23,449 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 107 DAG size of output: 76 [2021-02-23 23:48:26,042 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:48:27,164 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 153 DAG size of output: 81 [2021-02-23 23:48:29,767 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:48:30,470 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-02-23 23:48:31,758 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 149 DAG size of output: 78 [2021-02-23 23:48:32,804 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-02-23 23:48:33,396 WARN L202 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:48:34,097 WARN L202 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 75 [2021-02-23 23:48:34,787 WARN L202 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-02-23 23:48:35,796 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 99 DAG size of output: 73 [2021-02-23 23:48:37,046 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 159 DAG size of output: 74 [2021-02-23 23:48:37,911 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:39,079 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 157 DAG size of output: 76 [2021-02-23 23:48:40,177 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 104 DAG size of output: 78 [2021-02-23 23:48:41,150 WARN L202 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 69 [2021-02-23 23:48:42,021 WARN L202 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:43,378 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 153 DAG size of output: 84 [2021-02-23 23:48:44,241 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:44,926 WARN L202 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2021-02-23 23:48:46,180 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 142 DAG size of output: 73 [2021-02-23 23:48:48,788 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:48:49,655 WARN L202 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:52,261 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:48:53,437 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 110 DAG size of output: 78 [2021-02-23 23:48:56,052 WARN L202 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:48:57,026 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-02-23 23:48:57,891 WARN L202 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:48:58,734 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:48:59,575 WARN L202 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:49:02,062 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:49:02,908 WARN L202 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:49:05,402 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:49:07,910 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:49:10,395 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:49:11,442 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:49:12,286 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:49:13,333 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:49:14,204 WARN L202 SmtUtils]: Spent 866.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:49:15,214 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2021-02-23 23:49:17,839 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:49:20,469 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:49:23,084 WARN L202 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:49:23,958 WARN L202 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:49:24,965 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2021-02-23 23:49:25,839 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:49:26,910 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 98 DAG size of output: 72 [2021-02-23 23:49:28,464 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 147 DAG size of output: 83 [2021-02-23 23:49:30,959 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:49:33,586 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:49:36,214 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:49:37,275 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-02-23 23:49:38,277 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 75 [2021-02-23 23:49:39,493 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 103 DAG size of output: 81 [2021-02-23 23:49:40,414 WARN L202 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:49:41,293 WARN L202 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:49:42,172 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:49:44,803 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:49:45,682 WARN L202 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:49:48,325 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:49:50,955 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:49:52,224 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 152 DAG size of output: 75 [2021-02-23 23:49:53,496 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 142 DAG size of output: 73 [2021-02-23 23:49:54,202 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 76 [2021-02-23 23:49:55,078 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:49:57,708 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:49:58,662 WARN L202 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 69 [2021-02-23 23:49:59,671 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-02-23 23:50:00,550 WARN L202 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:03,195 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:50:04,231 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2021-02-23 23:50:05,285 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 108 DAG size of output: 71 [2021-02-23 23:50:06,131 WARN L202 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-02-23 23:50:07,117 WARN L202 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 72 [2021-02-23 23:50:08,003 WARN L202 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:08,760 WARN L202 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 73 [2021-02-23 23:50:09,639 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:10,736 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 150 DAG size of output: 76 [2021-02-23 23:50:11,705 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2021-02-23 23:50:12,774 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 145 DAG size of output: 75 [2021-02-23 23:50:14,136 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 158 DAG size of output: 81 [2021-02-23 23:50:15,015 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:16,282 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2021-02-23 23:50:17,295 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2021-02-23 23:50:18,178 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:19,063 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:20,009 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 72 [2021-02-23 23:50:20,890 WARN L202 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:21,773 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:23,219 WARN L202 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 154 DAG size of output: 76 [2021-02-23 23:50:24,495 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2021-02-23 23:50:25,379 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:26,268 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:27,452 WARN L202 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 152 DAG size of output: 76 [2021-02-23 23:50:28,336 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:30,983 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:50:31,867 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:32,752 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:33,747 WARN L202 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 67 [2021-02-23 23:50:34,762 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 101 DAG size of output: 75 [2021-02-23 23:50:34,916 WARN L202 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2021-02-23 23:50:35,911 WARN L202 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2021-02-23 23:50:38,564 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:50:39,264 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2021-02-23 23:50:40,098 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 77 [2021-02-23 23:50:41,047 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-02-23 23:50:43,707 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:50:44,749 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 104 DAG size of output: 74 [2021-02-23 23:50:45,638 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:50:48,301 WARN L202 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:50:49,258 WARN L202 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 72 [2021-02-23 23:50:51,930 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:50:53,125 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 152 DAG size of output: 79 [2021-02-23 23:50:54,137 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 105 DAG size of output: 74 [2021-02-23 23:50:55,012 WARN L202 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:50:57,551 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:00,226 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:51:02,921 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:51:03,953 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2021-02-23 23:51:06,629 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:51:07,509 WARN L202 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:51:10,053 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:12,605 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:15,164 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:16,244 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:51:17,330 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:51:18,208 WARN L202 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:51:20,764 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:21,849 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:51:22,933 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:51:25,492 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:26,580 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:51:27,480 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:51:28,443 WARN L202 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-02-23 23:51:29,492 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 94 DAG size of output: 70 [2021-02-23 23:51:30,761 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 144 DAG size of output: 73 [2021-02-23 23:51:32,317 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 151 DAG size of output: 79 [2021-02-23 23:51:33,191 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:51:35,766 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:36,967 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 152 DAG size of output: 73 [2021-02-23 23:51:38,055 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:51:40,623 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:43,206 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:45,777 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:51:46,869 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 140 DAG size of output: 72 [2021-02-23 23:51:47,493 WARN L202 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:51:56,688 WARN L202 SmtUtils]: Spent 9.15 s on a formula simplification. DAG size of input: 246 DAG size of output: 148 [2021-02-23 23:52:05,924 WARN L202 SmtUtils]: Spent 9.22 s on a formula simplification. DAG size of input: 246 DAG size of output: 148 [2021-02-23 23:52:07,240 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2021-02-23 23:52:08,215 WARN L202 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 72 [2021-02-23 23:52:09,242 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2021-02-23 23:52:11,971 WARN L202 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:52:14,693 WARN L202 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:52:15,778 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-02-23 23:52:18,505 WARN L202 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:52:21,243 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:52:22,299 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2021-02-23 23:52:23,380 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 106 DAG size of output: 74 [2021-02-23 23:52:24,303 WARN L202 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:52:25,231 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:52:26,157 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:52:27,083 WARN L202 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:52:28,013 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:52:28,940 WARN L202 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:52:29,982 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 98 DAG size of output: 70 [2021-02-23 23:52:32,744 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:52:33,886 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 151 DAG size of output: 75 [2021-02-23 23:52:36,648 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:52:37,390 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 73 [2021-02-23 23:52:40,152 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:52:42,907 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:52:43,952 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 98 DAG size of output: 71 [2021-02-23 23:52:45,184 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 116 DAG size of output: 81 [2021-02-23 23:52:46,558 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 148 DAG size of output: 77 [2021-02-23 23:52:47,488 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:52:48,396 WARN L202 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:52:49,292 WARN L202 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:52:51,919 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:52:52,821 WARN L202 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:52:55,446 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:52:58,079 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:52:58,988 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:53:00,073 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 155 DAG size of output: 75 [2021-02-23 23:53:02,843 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:53:03,889 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 101 DAG size of output: 73 [2021-02-23 23:53:05,140 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 149 DAG size of output: 82 [2021-02-23 23:53:06,073 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:07,102 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 93 DAG size of output: 68 [2021-02-23 23:53:08,175 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2021-02-23 23:53:10,960 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:53:11,899 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:12,835 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:15,594 WARN L202 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:53:18,377 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:53:21,146 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:53:22,307 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 147 DAG size of output: 75 [2021-02-23 23:53:23,653 WARN L202 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 105 DAG size of output: 84 [2021-02-23 23:53:24,594 WARN L202 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:25,533 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:26,932 WARN L202 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 167 DAG size of output: 77 [2021-02-23 23:53:27,923 WARN L202 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:29,237 WARN L202 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 154 DAG size of output: 81 [2021-02-23 23:53:30,177 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:31,120 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:32,020 WARN L202 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 74 [2021-02-23 23:53:32,963 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:33,723 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 76 [2021-02-23 23:53:34,793 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-02-23 23:53:37,451 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:53:40,236 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:53:41,589 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 153 DAG size of output: 72 [2021-02-23 23:53:44,245 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:53:45,158 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:53:46,104 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:47,268 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 103 DAG size of output: 77 [2021-02-23 23:53:48,349 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 150 DAG size of output: 72 [2021-02-23 23:53:49,299 WARN L202 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:50,384 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2021-02-23 23:53:51,489 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 100 DAG size of output: 73 [2021-02-23 23:53:52,441 WARN L202 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:53:55,252 WARN L202 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:53:56,340 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 95 DAG size of output: 71 [2021-02-23 23:53:57,356 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2021-02-23 23:53:59,118 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 154 DAG size of output: 78 [2021-02-23 23:54:00,078 WARN L202 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:54:01,304 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 153 DAG size of output: 81 [2021-02-23 23:54:02,479 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 102 DAG size of output: 73 [2021-02-23 23:54:03,432 WARN L202 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:54:06,251 WARN L202 SmtUtils]: Spent 2.81 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:09,076 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:10,044 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:54:11,267 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 153 DAG size of output: 81 [2021-02-23 23:54:12,220 WARN L202 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:54:13,168 WARN L202 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 78 [2021-02-23 23:54:14,537 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 145 DAG size of output: 72 [2021-02-23 23:54:15,305 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 76 [2021-02-23 23:54:16,264 WARN L202 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:54:17,182 WARN L202 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2021-02-23 23:54:19,873 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:54:22,700 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:23,779 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2021-02-23 23:54:26,617 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:27,576 WARN L202 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:54:28,236 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:54:29,271 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-02-23 23:54:30,443 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2021-02-23 23:54:33,576 WARN L202 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:34,314 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:54:37,456 WARN L202 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:40,629 WARN L202 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:41,699 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:54:42,413 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:54:45,469 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:48,528 WARN L202 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:50,211 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 154 DAG size of output: 77 [2021-02-23 23:54:50,904 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 63 [2021-02-23 23:54:52,131 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 151 DAG size of output: 72 [2021-02-23 23:54:55,108 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:54:56,203 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 100 DAG size of output: 72 [2021-02-23 23:54:59,179 WARN L202 SmtUtils]: Spent 2.97 s on a formula simplification. DAG size of input: 192 DAG size of output: 85 [2021-02-23 23:55:00,238 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-02-23 23:55:01,355 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 93 DAG size of output: 69 [2021-02-23 23:55:04,265 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 189 DAG size of output: 83 [2021-02-23 23:55:05,288 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 141 DAG size of output: 71