/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:09:21,884 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:09:21,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:09:21,923 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:09:22,004 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 23:09:22,031 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:09:22,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:09:22,036 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:09:22,036 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:09:22,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:09:22,037 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:09:22,037 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:09:22,037 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:09:22,037 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:09:22,038 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:09:22,039 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:09:22,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:09:22,040 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:09:22,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:09:22,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:09:22,041 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:09:22,042 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:09:22,042 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:09:22,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:09:22,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:09:22,042 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:09:22,043 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:09:22,043 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:09:22,543 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:09:22,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:09:22,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:09:22,582 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:09:22,583 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:09:22,584 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2021-02-23 23:09:22,666 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d0f4511/f913de1de7764fb5acd2f11f5ab4a50e/FLAG17a402bb0 [2021-02-23 23:09:23,413 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:09:23,414 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c [2021-02-23 23:09:23,432 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d0f4511/f913de1de7764fb5acd2f11f5ab4a50e/FLAG17a402bb0 [2021-02-23 23:09:23,660 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79d0f4511/f913de1de7764fb5acd2f11f5ab4a50e [2021-02-23 23:09:23,670 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:09:23,687 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:09:23,692 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:09:23,692 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:09:23,696 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:09:23,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:09:23" (1/1) ... [2021-02-23 23:09:23,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@524c4012 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:23, skipping insertion in model container [2021-02-23 23:09:23,699 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:09:23" (1/1) ... [2021-02-23 23:09:23,708 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:09:23,776 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:09:24,183 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c[17240,17253] [2021-02-23 23:09:24,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:09:24,236 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:09:24,364 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label05.c[17240,17253] [2021-02-23 23:09:24,382 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:09:24,402 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:09:24,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24 WrapperNode [2021-02-23 23:09:24,402 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:09:24,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:09:24,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:09:24,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:09:24,424 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24" (1/1) ... [2021-02-23 23:09:24,424 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24" (1/1) ... [2021-02-23 23:09:24,462 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24" (1/1) ... [2021-02-23 23:09:24,462 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24" (1/1) ... [2021-02-23 23:09:24,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24" (1/1) ... [2021-02-23 23:09:24,548 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24" (1/1) ... [2021-02-23 23:09:24,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24" (1/1) ... [2021-02-23 23:09:24,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:09:24,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:09:24,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:09:24,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:09:24,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24" (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 23:09:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:09:24,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:09:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:09:24,690 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-23 23:09:24,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:09:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-23 23:09:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:09:24,691 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:09:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:09:24,692 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:09:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:09:24,693 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:09:24,695 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:09:24,696 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:09:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:09:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:09:24,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:09:24,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:09:24,699 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:09:26,735 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:09:26,736 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:09:26,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:09:26 BoogieIcfgContainer [2021-02-23 23:09:26,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:09:26,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:09:26,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:09:26,745 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:09:26,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:09:23" (1/3) ... [2021-02-23 23:09:26,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b17d856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:09:26, skipping insertion in model container [2021-02-23 23:09:26,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:09:24" (2/3) ... [2021-02-23 23:09:26,747 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b17d856 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:09:26, skipping insertion in model container [2021-02-23 23:09:26,747 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:09:26" (3/3) ... [2021-02-23 23:09:26,749 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem01_label05.c [2021-02-23 23:09:26,756 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:09:26,762 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:09:26,783 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:09:26,807 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:09:26,807 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:09:26,807 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:09:26,807 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:09:26,808 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:09:26,808 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:09:26,808 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:09:26,808 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:09:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 534 states. [2021-02-23 23:09:26,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-02-23 23:09:26,863 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:26,864 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] [2021-02-23 23:09:26,865 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:26,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:26,877 INFO L82 PathProgramCache]: Analyzing trace with hash 1371472854, now seen corresponding path program 1 times [2021-02-23 23:09:26,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:26,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [638876099] [2021-02-23 23:09:26,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:27,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:27,432 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:09:27,434 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:09:27,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:27,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:09:27,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:27,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:09:27,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:27,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:27,639 WARN L202 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-23 23:09:27,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:27,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:27,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:27,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:27,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:27,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:27,772 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 23:09:27,773 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [638876099] [2021-02-23 23:09:27,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:09:27,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:09:27,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983576472] [2021-02-23 23:09:27,781 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:09:27,782 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:27,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:09:27,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:09:27,800 INFO L87 Difference]: Start difference. First operand 534 states. Second operand 5 states. [2021-02-23 23:09:28,121 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-23 23:09:31,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:31,280 INFO L93 Difference]: Finished difference Result 1369 states and 1904 transitions. [2021-02-23 23:09:31,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 23:09:31,283 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2021-02-23 23:09:31,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:31,311 INFO L225 Difference]: With dead ends: 1369 [2021-02-23 23:09:31,312 INFO L226 Difference]: Without dead ends: 789 [2021-02-23 23:09:31,325 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:09:31,347 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 789 states. [2021-02-23 23:09:31,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 789 to 754. [2021-02-23 23:09:31,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 754 states. [2021-02-23 23:09:31,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 754 states and 922 transitions. [2021-02-23 23:09:31,618 INFO L78 Accepts]: Start accepts. Automaton has 754 states and 922 transitions. Word has length 130 [2021-02-23 23:09:31,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:31,621 INFO L480 AbstractCegarLoop]: Abstraction has 754 states and 922 transitions. [2021-02-23 23:09:31,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:09:31,622 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 922 transitions. [2021-02-23 23:09:31,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2021-02-23 23:09:31,644 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:31,645 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:31,646 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:09:31,646 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:31,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:31,647 INFO L82 PathProgramCache]: Analyzing trace with hash 328646806, now seen corresponding path program 1 times [2021-02-23 23:09:31,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:31,648 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [663550788] [2021-02-23 23:09:31,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:31,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:31,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:31,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:31,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:31,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:31,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:31,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:31,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:31,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:31,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:31,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:32,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:32,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:32,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:32,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:32,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:32,044 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:32,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:32,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:32,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:32,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:32,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:32,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:32,162 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 23:09:32,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [663550788] [2021-02-23 23:09:32,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:32,163 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-02-23 23:09:32,163 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229365181] [2021-02-23 23:09:32,166 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:09:32,167 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:32,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:09:32,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:09:32,171 INFO L87 Difference]: Start difference. First operand 754 states and 922 transitions. Second operand 5 states. [2021-02-23 23:09:34,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:34,575 INFO L93 Difference]: Finished difference Result 1963 states and 2500 transitions. [2021-02-23 23:09:34,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 23:09:34,576 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 151 [2021-02-23 23:09:34,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:34,588 INFO L225 Difference]: With dead ends: 1963 [2021-02-23 23:09:34,588 INFO L226 Difference]: Without dead ends: 1241 [2021-02-23 23:09:34,593 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:09:34,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1241 states. [2021-02-23 23:09:34,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1241 to 1042. [2021-02-23 23:09:34,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1042 states. [2021-02-23 23:09:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1042 states to 1042 states and 1291 transitions. [2021-02-23 23:09:34,801 INFO L78 Accepts]: Start accepts. Automaton has 1042 states and 1291 transitions. Word has length 151 [2021-02-23 23:09:34,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:34,802 INFO L480 AbstractCegarLoop]: Abstraction has 1042 states and 1291 transitions. [2021-02-23 23:09:34,802 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:09:34,802 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1291 transitions. [2021-02-23 23:09:34,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-02-23 23:09:34,809 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:34,809 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:34,810 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:09:34,810 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:34,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:34,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1479713279, now seen corresponding path program 1 times [2021-02-23 23:09:34,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:34,811 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [280013859] [2021-02-23 23:09:34,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:34,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:34,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:34,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:34,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:34,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:34,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:34,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:34,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:34,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:35,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:35,014 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:35,014 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:35,015 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:35,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:35,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:35,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:35,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:35,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:35,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:35,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 23:09:35,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:35,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:35,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:35,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:35,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:09:35,122 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-02-23 23:09:35,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [280013859] [2021-02-23 23:09:35,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:35,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:09:35,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [16237611] [2021-02-23 23:09:35,124 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:09:35,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:35,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:09:35,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:09:35,125 INFO L87 Difference]: Start difference. First operand 1042 states and 1291 transitions. Second operand 7 states. [2021-02-23 23:09:37,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:37,619 INFO L93 Difference]: Finished difference Result 2452 states and 3142 transitions. [2021-02-23 23:09:37,620 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:09:37,620 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 192 [2021-02-23 23:09:37,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:37,634 INFO L225 Difference]: With dead ends: 2452 [2021-02-23 23:09:37,634 INFO L226 Difference]: Without dead ends: 1442 [2021-02-23 23:09:37,640 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:09:37,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1442 states. [2021-02-23 23:09:37,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1442 to 1228. [2021-02-23 23:09:37,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1228 states. [2021-02-23 23:09:37,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1228 states to 1228 states and 1534 transitions. [2021-02-23 23:09:37,925 INFO L78 Accepts]: Start accepts. Automaton has 1228 states and 1534 transitions. Word has length 192 [2021-02-23 23:09:37,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:37,925 INFO L480 AbstractCegarLoop]: Abstraction has 1228 states and 1534 transitions. [2021-02-23 23:09:37,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:09:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1228 states and 1534 transitions. [2021-02-23 23:09:37,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-02-23 23:09:37,935 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:37,935 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:37,935 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:09:37,936 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:37,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:37,936 INFO L82 PathProgramCache]: Analyzing trace with hash -189510457, now seen corresponding path program 1 times [2021-02-23 23:09:37,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:37,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1155363221] [2021-02-23 23:09:37,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:38,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:38,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:38,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:38,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:38,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:38,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:38,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:38,138 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:09:38,139 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:09:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:38,169 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,170 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:38,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:09:38,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-02-23 23:09:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:38,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:38,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:38,296 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 48 proven. 10 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-02-23 23:09:38,297 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1155363221] [2021-02-23 23:09:38,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:38,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:09:38,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767292196] [2021-02-23 23:09:38,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:09:38,299 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:38,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:09:38,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:09:38,300 INFO L87 Difference]: Start difference. First operand 1228 states and 1534 transitions. Second operand 8 states. [2021-02-23 23:09:38,516 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:09:39,846 WARN L202 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:09:42,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:42,442 INFO L93 Difference]: Finished difference Result 3320 states and 4240 transitions. [2021-02-23 23:09:42,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:09:42,442 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 199 [2021-02-23 23:09:42,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:42,461 INFO L225 Difference]: With dead ends: 3320 [2021-02-23 23:09:42,461 INFO L226 Difference]: Without dead ends: 2124 [2021-02-23 23:09:42,470 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2021-02-23 23:09:42,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2124 states. [2021-02-23 23:09:42,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2124 to 1876. [2021-02-23 23:09:42,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1876 states. [2021-02-23 23:09:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1876 states to 1876 states and 2284 transitions. [2021-02-23 23:09:42,926 INFO L78 Accepts]: Start accepts. Automaton has 1876 states and 2284 transitions. Word has length 199 [2021-02-23 23:09:42,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:42,927 INFO L480 AbstractCegarLoop]: Abstraction has 1876 states and 2284 transitions. [2021-02-23 23:09:42,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:09:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1876 states and 2284 transitions. [2021-02-23 23:09:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2021-02-23 23:09:42,936 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:42,936 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:42,937 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:09:42,937 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:42,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:42,938 INFO L82 PathProgramCache]: Analyzing trace with hash 107440331, now seen corresponding path program 1 times [2021-02-23 23:09:42,938 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:42,938 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [25362456] [2021-02-23 23:09:42,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:42,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:42,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:42,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:42,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:42,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:42,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:42,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:43,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:43,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:43,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:43,098 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:43,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:43,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:43,106 WARN L141 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size [2021-02-23 23:09:43,107 WARN L147 QuantifierPusher]: treesize reduction 4, result has 63.6 percent of original size 7 [2021-02-23 23:09:43,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:43,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:43,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:43,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:43,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:43,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:09:43,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2021-02-23 23:09:43,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:43,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:43,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 23:09:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:43,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:43,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:43,296 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 68 proven. 24 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2021-02-23 23:09:43,296 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [25362456] [2021-02-23 23:09:43,297 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:43,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:09:43,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242013519] [2021-02-23 23:09:43,298 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:09:43,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:43,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:09:43,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:09:43,300 INFO L87 Difference]: Start difference. First operand 1876 states and 2284 transitions. Second operand 8 states. [2021-02-23 23:09:43,507 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:09:43,820 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-23 23:09:44,104 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:09:47,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:47,579 INFO L93 Difference]: Finished difference Result 4121 states and 5031 transitions. [2021-02-23 23:09:47,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:09:47,580 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 228 [2021-02-23 23:09:47,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:47,599 INFO L225 Difference]: With dead ends: 4121 [2021-02-23 23:09:47,600 INFO L226 Difference]: Without dead ends: 2277 [2021-02-23 23:09:47,609 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2021-02-23 23:09:47,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2277 states. [2021-02-23 23:09:48,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2277 to 2191. [2021-02-23 23:09:48,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2191 states. [2021-02-23 23:09:48,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 2191 states and 2637 transitions. [2021-02-23 23:09:48,200 INFO L78 Accepts]: Start accepts. Automaton has 2191 states and 2637 transitions. Word has length 228 [2021-02-23 23:09:48,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:48,201 INFO L480 AbstractCegarLoop]: Abstraction has 2191 states and 2637 transitions. [2021-02-23 23:09:48,201 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:09:48,201 INFO L276 IsEmpty]: Start isEmpty. Operand 2191 states and 2637 transitions. [2021-02-23 23:09:48,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2021-02-23 23:09:48,211 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:48,212 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:48,212 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:09:48,212 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:48,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:48,213 INFO L82 PathProgramCache]: Analyzing trace with hash -1997687709, now seen corresponding path program 1 times [2021-02-23 23:09:48,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:48,213 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [332137450] [2021-02-23 23:09:48,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:48,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:48,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:48,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:48,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:48,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:48,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:48,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:48,394 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-23 23:09:48,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:48,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:48,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:48,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:48,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:48,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:48,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:48,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:48,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:48,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:48,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:09:48,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:48,443 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:48,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:48,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:48,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:48,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-02-23 23:09:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:48,486 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:48,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:48,572 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 12 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-23 23:09:48,573 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [332137450] [2021-02-23 23:09:48,573 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:48,573 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:09:48,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479850954] [2021-02-23 23:09:48,574 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:09:48,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:48,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:09:48,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:09:48,578 INFO L87 Difference]: Start difference. First operand 2191 states and 2637 transitions. Second operand 7 states. [2021-02-23 23:09:51,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:51,202 INFO L93 Difference]: Finished difference Result 5316 states and 6551 transitions. [2021-02-23 23:09:51,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:09:51,203 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2021-02-23 23:09:51,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:51,231 INFO L225 Difference]: With dead ends: 5316 [2021-02-23 23:09:51,231 INFO L226 Difference]: Without dead ends: 3157 [2021-02-23 23:09:51,242 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:09:51,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3157 states. [2021-02-23 23:09:51,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3157 to 2931. [2021-02-23 23:09:51,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2931 states. [2021-02-23 23:09:51,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2931 states and 3533 transitions. [2021-02-23 23:09:51,913 INFO L78 Accepts]: Start accepts. Automaton has 2931 states and 3533 transitions. Word has length 235 [2021-02-23 23:09:51,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:51,913 INFO L480 AbstractCegarLoop]: Abstraction has 2931 states and 3533 transitions. [2021-02-23 23:09:51,913 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:09:51,913 INFO L276 IsEmpty]: Start isEmpty. Operand 2931 states and 3533 transitions. [2021-02-23 23:09:51,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-02-23 23:09:51,930 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:51,931 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:51,931 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:09:51,931 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:51,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:51,932 INFO L82 PathProgramCache]: Analyzing trace with hash 468821273, now seen corresponding path program 1 times [2021-02-23 23:09:51,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:51,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [685823166] [2021-02-23 23:09:51,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:51,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:51,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:51,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:51,991 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:51,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:51,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:51,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:52,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:52,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:52,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:52,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:52,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:52,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:09:52,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:52,154 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:52,155 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:52,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:52,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:52,157 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:09:52,157 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:09:52,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:09:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:52,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:52,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:52,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:52,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:09:52,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-02-23 23:09:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:52,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:52,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:52,417 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 123 proven. 32 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-02-23 23:09:52,418 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [685823166] [2021-02-23 23:09:52,418 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:52,418 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:09:52,418 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339246090] [2021-02-23 23:09:52,419 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:09:52,419 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:52,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:09:52,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:09:52,420 INFO L87 Difference]: Start difference. First operand 2931 states and 3533 transitions. Second operand 8 states. [2021-02-23 23:09:53,336 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-23 23:09:54,020 WARN L202 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:09:56,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:09:56,279 INFO L93 Difference]: Finished difference Result 5924 states and 7165 transitions. [2021-02-23 23:09:56,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 23:09:56,280 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 257 [2021-02-23 23:09:56,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:09:56,306 INFO L225 Difference]: With dead ends: 5924 [2021-02-23 23:09:56,307 INFO L226 Difference]: Without dead ends: 3166 [2021-02-23 23:09:56,318 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-23 23:09:56,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2021-02-23 23:09:57,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3081. [2021-02-23 23:09:57,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3081 states. [2021-02-23 23:09:57,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3081 states to 3081 states and 3697 transitions. [2021-02-23 23:09:57,155 INFO L78 Accepts]: Start accepts. Automaton has 3081 states and 3697 transitions. Word has length 257 [2021-02-23 23:09:57,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:09:57,156 INFO L480 AbstractCegarLoop]: Abstraction has 3081 states and 3697 transitions. [2021-02-23 23:09:57,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:09:57,156 INFO L276 IsEmpty]: Start isEmpty. Operand 3081 states and 3697 transitions. [2021-02-23 23:09:57,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2021-02-23 23:09:57,170 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:09:57,171 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:09:57,171 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:09:57,171 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:09:57,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:09:57,172 INFO L82 PathProgramCache]: Analyzing trace with hash 1127765252, now seen corresponding path program 1 times [2021-02-23 23:09:57,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:09:57,172 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1268523739] [2021-02-23 23:09:57,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:09:57,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:57,238 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:57,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:57,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:09:57,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:57,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:09:57,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:57,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:57,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:57,349 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:09:57,349 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:09:57,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:09:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:57,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:57,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:09:57,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:57,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:09:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:57,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:09:57,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:09:57,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2021-02-23 23:09:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:09:57,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:09:57,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:09:57,557 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 129 proven. 21 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-02-23 23:09:57,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1268523739] [2021-02-23 23:09:57,558 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:09:57,558 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2021-02-23 23:09:57,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1030763413] [2021-02-23 23:09:57,559 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 23:09:57,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:09:57,560 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 23:09:57,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:09:57,560 INFO L87 Difference]: Start difference. First operand 3081 states and 3697 transitions. Second operand 11 states. [2021-02-23 23:09:57,976 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 93 [2021-02-23 23:09:58,378 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-23 23:09:58,666 WARN L202 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 91 [2021-02-23 23:09:58,984 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-23 23:09:59,768 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-23 23:10:00,353 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:10:01,329 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:10:02,210 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 94 [2021-02-23 23:10:05,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:05,434 INFO L93 Difference]: Finished difference Result 8653 states and 10403 transitions. [2021-02-23 23:10:05,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-02-23 23:10:05,435 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 266 [2021-02-23 23:10:05,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:05,475 INFO L225 Difference]: With dead ends: 8653 [2021-02-23 23:10:05,475 INFO L226 Difference]: Without dead ends: 5745 [2021-02-23 23:10:05,488 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 406 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=312, Invalid=1170, Unknown=0, NotChecked=0, Total=1482 [2021-02-23 23:10:05,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5745 states. [2021-02-23 23:10:06,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5745 to 5115. [2021-02-23 23:10:06,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5115 states. [2021-02-23 23:10:06,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5115 states to 5115 states and 6042 transitions. [2021-02-23 23:10:06,815 INFO L78 Accepts]: Start accepts. Automaton has 5115 states and 6042 transitions. Word has length 266 [2021-02-23 23:10:06,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:06,816 INFO L480 AbstractCegarLoop]: Abstraction has 5115 states and 6042 transitions. [2021-02-23 23:10:06,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 23:10:06,816 INFO L276 IsEmpty]: Start isEmpty. Operand 5115 states and 6042 transitions. [2021-02-23 23:10:06,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2021-02-23 23:10:06,836 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:06,837 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:06,837 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:10:06,837 INFO L428 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:06,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:06,838 INFO L82 PathProgramCache]: Analyzing trace with hash 321801529, now seen corresponding path program 1 times [2021-02-23 23:10:06,838 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:06,838 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1804904370] [2021-02-23 23:10:06,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:06,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:06,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:06,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:06,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:06,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:06,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:06,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:06,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:06,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:06,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:06,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:07,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:07,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:07,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:07,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:07,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2021-02-23 23:10:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:07,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:07,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:07,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:07,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:10:07,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2021-02-23 23:10:07,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:07,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:07,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:07,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 23:10:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:07,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:07,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:07,128 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 162 proven. 12 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2021-02-23 23:10:07,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1804904370] [2021-02-23 23:10:07,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:07,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:10:07,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065818841] [2021-02-23 23:10:07,129 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:10:07,129 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:07,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:10:07,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:10:07,130 INFO L87 Difference]: Start difference. First operand 5115 states and 6042 transitions. Second operand 7 states. [2021-02-23 23:10:10,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:10,773 INFO L93 Difference]: Finished difference Result 10453 states and 12369 transitions. [2021-02-23 23:10:10,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:10:10,774 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 293 [2021-02-23 23:10:10,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:10,803 INFO L225 Difference]: With dead ends: 10453 [2021-02-23 23:10:10,803 INFO L226 Difference]: Without dead ends: 4783 [2021-02-23 23:10:10,823 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:10:10,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4783 states. [2021-02-23 23:10:11,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4783 to 4634. [2021-02-23 23:10:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4634 states. [2021-02-23 23:10:11,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4634 states to 4634 states and 5183 transitions. [2021-02-23 23:10:11,838 INFO L78 Accepts]: Start accepts. Automaton has 4634 states and 5183 transitions. Word has length 293 [2021-02-23 23:10:11,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:11,838 INFO L480 AbstractCegarLoop]: Abstraction has 4634 states and 5183 transitions. [2021-02-23 23:10:11,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:10:11,839 INFO L276 IsEmpty]: Start isEmpty. Operand 4634 states and 5183 transitions. [2021-02-23 23:10:11,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2021-02-23 23:10:11,851 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:11,852 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:11,852 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 23:10:11,852 INFO L428 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:11,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:11,853 INFO L82 PathProgramCache]: Analyzing trace with hash 910864581, now seen corresponding path program 1 times [2021-02-23 23:10:11,853 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:11,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1156662086] [2021-02-23 23:10:11,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:11,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:11,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:11,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:11,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:11,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:11,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:11,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:11,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:12,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:12,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:12,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:12,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:12,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:12,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:12,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:12,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:12,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:10:12,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:12,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:12,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:12,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:12,057 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:12,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2021-02-23 23:10:12,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:12,072 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:12,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:12,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-02-23 23:10:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:12,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:12,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:12,161 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 176 proven. 33 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2021-02-23 23:10:12,162 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1156662086] [2021-02-23 23:10:12,162 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:12,162 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:10:12,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466108158] [2021-02-23 23:10:12,163 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:10:12,163 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:12,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:10:12,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:10:12,164 INFO L87 Difference]: Start difference. First operand 4634 states and 5183 transitions. Second operand 7 states. [2021-02-23 23:10:13,156 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-23 23:10:15,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:15,687 INFO L93 Difference]: Finished difference Result 10518 states and 11893 transitions. [2021-02-23 23:10:15,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-23 23:10:15,687 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 298 [2021-02-23 23:10:15,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:15,726 INFO L225 Difference]: With dead ends: 10518 [2021-02-23 23:10:15,726 INFO L226 Difference]: Without dead ends: 6057 [2021-02-23 23:10:15,740 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:10:15,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6057 states. [2021-02-23 23:10:17,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6057 to 5961. [2021-02-23 23:10:17,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5961 states. [2021-02-23 23:10:17,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5961 states to 5961 states and 6674 transitions. [2021-02-23 23:10:17,123 INFO L78 Accepts]: Start accepts. Automaton has 5961 states and 6674 transitions. Word has length 298 [2021-02-23 23:10:17,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:17,123 INFO L480 AbstractCegarLoop]: Abstraction has 5961 states and 6674 transitions. [2021-02-23 23:10:17,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:10:17,123 INFO L276 IsEmpty]: Start isEmpty. Operand 5961 states and 6674 transitions. [2021-02-23 23:10:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-02-23 23:10:17,141 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:17,141 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:17,141 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 23:10:17,141 INFO L428 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:17,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:17,142 INFO L82 PathProgramCache]: Analyzing trace with hash 75766193, now seen corresponding path program 1 times [2021-02-23 23:10:17,142 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:17,142 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1200962035] [2021-02-23 23:10:17,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:17,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:17,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:17,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:17,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:10:17,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:17,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:17,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:17,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:17,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:17,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:17,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:17,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-23 23:10:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:17,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:17,372 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:17,379 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:10:17,380 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:10:17,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-02-23 23:10:17,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:17,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:17,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:17,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-02-23 23:10:17,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:17,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:17,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:17,531 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 198 proven. 28 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2021-02-23 23:10:17,532 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1200962035] [2021-02-23 23:10:17,532 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:17,532 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-23 23:10:17,532 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216399496] [2021-02-23 23:10:17,533 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:10:17,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:17,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:10:17,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:10:17,534 INFO L87 Difference]: Start difference. First operand 5961 states and 6674 transitions. Second operand 10 states. [2021-02-23 23:10:17,827 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-23 23:10:18,381 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-02-23 23:10:18,908 WARN L202 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 94 [2021-02-23 23:10:19,065 WARN L202 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 95 [2021-02-23 23:10:19,297 WARN L202 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-23 23:10:19,969 WARN L202 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:10:22,329 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 93 [2021-02-23 23:10:24,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:24,295 INFO L93 Difference]: Finished difference Result 12438 states and 13994 transitions. [2021-02-23 23:10:24,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-23 23:10:24,296 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 309 [2021-02-23 23:10:24,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:24,323 INFO L225 Difference]: With dead ends: 12438 [2021-02-23 23:10:24,323 INFO L226 Difference]: Without dead ends: 6297 [2021-02-23 23:10:24,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 351 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2021-02-23 23:10:24,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6297 states. [2021-02-23 23:10:25,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6297 to 5965. [2021-02-23 23:10:25,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5965 states. [2021-02-23 23:10:25,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5965 states to 5965 states and 6503 transitions. [2021-02-23 23:10:25,707 INFO L78 Accepts]: Start accepts. Automaton has 5965 states and 6503 transitions. Word has length 309 [2021-02-23 23:10:25,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:25,707 INFO L480 AbstractCegarLoop]: Abstraction has 5965 states and 6503 transitions. [2021-02-23 23:10:25,708 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:10:25,708 INFO L276 IsEmpty]: Start isEmpty. Operand 5965 states and 6503 transitions. [2021-02-23 23:10:25,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2021-02-23 23:10:25,718 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:25,719 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:25,719 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 23:10:25,719 INFO L428 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:25,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:25,720 INFO L82 PathProgramCache]: Analyzing trace with hash -864013360, now seen corresponding path program 1 times [2021-02-23 23:10:25,720 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:25,720 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1352528334] [2021-02-23 23:10:25,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:25,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:25,810 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:25,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:25,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:25,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:25,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:25,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:25,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:25,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:25,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:25,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:25,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:25,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:25,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2021-02-23 23:10:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:25,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:25,946 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:25,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2021-02-23 23:10:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:25,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,956 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:25,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:25,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:25,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 23:10:25,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:25,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:25,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:25,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:10:25,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-23 23:10:26,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:26,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:26,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:26,187 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 227 proven. 22 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2021-02-23 23:10:26,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1352528334] [2021-02-23 23:10:26,188 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:26,188 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:10:26,188 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [562038812] [2021-02-23 23:10:26,189 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:10:26,189 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:26,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:10:26,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:10:26,189 INFO L87 Difference]: Start difference. First operand 5965 states and 6503 transitions. Second operand 8 states. [2021-02-23 23:10:26,573 WARN L202 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:10:30,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:30,258 INFO L93 Difference]: Finished difference Result 9885 states and 10718 transitions. [2021-02-23 23:10:30,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:10:30,261 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 317 [2021-02-23 23:10:30,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:30,283 INFO L225 Difference]: With dead ends: 9885 [2021-02-23 23:10:30,284 INFO L226 Difference]: Without dead ends: 5758 [2021-02-23 23:10:30,294 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:10:30,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5758 states. [2021-02-23 23:10:31,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5758 to 5754. [2021-02-23 23:10:31,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5754 states. [2021-02-23 23:10:31,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5754 states to 5754 states and 6186 transitions. [2021-02-23 23:10:31,441 INFO L78 Accepts]: Start accepts. Automaton has 5754 states and 6186 transitions. Word has length 317 [2021-02-23 23:10:31,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:31,441 INFO L480 AbstractCegarLoop]: Abstraction has 5754 states and 6186 transitions. [2021-02-23 23:10:31,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:10:31,442 INFO L276 IsEmpty]: Start isEmpty. Operand 5754 states and 6186 transitions. [2021-02-23 23:10:31,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 350 [2021-02-23 23:10:31,451 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:31,451 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:31,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-02-23 23:10:31,451 INFO L428 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:31,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:31,452 INFO L82 PathProgramCache]: Analyzing trace with hash -1302311869, now seen corresponding path program 1 times [2021-02-23 23:10:31,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:31,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1182718202] [2021-02-23 23:10:31,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:31,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:31,537 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:31,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:31,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,543 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:31,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:31,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:31,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:31,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,635 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:31,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,636 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:10:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:31,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:31,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:31,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:31,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-02-23 23:10:31,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:31,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:31,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:31,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:31,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 23:10:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:31,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:10:31,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 23:10:31,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-23 23:10:31,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:31,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:31,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:31,863 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 243 proven. 18 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2021-02-23 23:10:31,864 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1182718202] [2021-02-23 23:10:31,864 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:31,864 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:10:31,864 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688399635] [2021-02-23 23:10:31,865 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:10:31,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:31,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:10:31,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:10:31,866 INFO L87 Difference]: Start difference. First operand 5754 states and 6186 transitions. Second operand 8 states. [2021-02-23 23:10:33,312 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 92 [2021-02-23 23:10:35,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:35,805 INFO L93 Difference]: Finished difference Result 9646 states and 10330 transitions. [2021-02-23 23:10:35,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-02-23 23:10:35,806 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 349 [2021-02-23 23:10:35,806 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:35,825 INFO L225 Difference]: With dead ends: 9646 [2021-02-23 23:10:35,825 INFO L226 Difference]: Without dead ends: 5916 [2021-02-23 23:10:35,833 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=86, Invalid=220, Unknown=0, NotChecked=0, Total=306 [2021-02-23 23:10:35,840 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5916 states. [2021-02-23 23:10:37,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5916 to 5742. [2021-02-23 23:10:37,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5742 states. [2021-02-23 23:10:37,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5742 states to 5742 states and 6157 transitions. [2021-02-23 23:10:37,073 INFO L78 Accepts]: Start accepts. Automaton has 5742 states and 6157 transitions. Word has length 349 [2021-02-23 23:10:37,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:37,074 INFO L480 AbstractCegarLoop]: Abstraction has 5742 states and 6157 transitions. [2021-02-23 23:10:37,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:10:37,074 INFO L276 IsEmpty]: Start isEmpty. Operand 5742 states and 6157 transitions. [2021-02-23 23:10:37,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2021-02-23 23:10:37,083 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:10:37,083 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:10:37,083 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-02-23 23:10:37,083 INFO L428 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:10:37,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:10:37,084 INFO L82 PathProgramCache]: Analyzing trace with hash 538076296, now seen corresponding path program 1 times [2021-02-23 23:10:37,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:10:37,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1558307039] [2021-02-23 23:10:37,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:10:37,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:37,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:37,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:37,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:37,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:10:37,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:10:37,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:10:37,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:37,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:10:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:37,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:37,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:37,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2021-02-23 23:10:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:37,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:37,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2021-02-23 23:10:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:37,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:37,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-23 23:10:37,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:37,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:37,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-02-23 23:10:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:37,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:37,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:10:37,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 220 [2021-02-23 23:10:37,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:10:37,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:10:37,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:10:37,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:10:37,528 INFO L134 CoverageAnalysis]: Checked inductivity of 502 backedges. 228 proven. 42 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2021-02-23 23:10:37,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1558307039] [2021-02-23 23:10:37,528 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:10:37,528 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:10:37,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910031422] [2021-02-23 23:10:37,529 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:10:37,529 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:10:37,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:10:37,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:10:37,530 INFO L87 Difference]: Start difference. First operand 5742 states and 6157 transitions. Second operand 7 states. [2021-02-23 23:10:40,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:10:40,459 INFO L93 Difference]: Finished difference Result 5752 states and 6167 transitions. [2021-02-23 23:10:40,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 23:10:40,460 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 370 [2021-02-23 23:10:40,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:10:40,461 INFO L225 Difference]: With dead ends: 5752 [2021-02-23 23:10:40,461 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:10:40,471 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:10:40,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:10:40,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:10:40,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:10:40,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:10:40,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370 [2021-02-23 23:10:40,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:10:40,472 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:10:40,472 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:10:40,472 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:10:40,472 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:10:40,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-02-23 23:10:40,474 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:10:40,946 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 91 [2021-02-23 23:10:51,266 WARN L202 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:11:31,476 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:11:34,954 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:11:35,501 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:11:35,873 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:12:16,726 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:12:16,830 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:12:16,934 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:12:17,037 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:12:32,030 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 186 [2021-02-23 23:12:40,264 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:12:40,664 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2021-02-23 23:12:41,363 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:12:43,555 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:12:43,998 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2021-02-23 23:12:46,219 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:12:48,502 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:12:50,770 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:12:51,470 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:12:52,243 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:12:53,017 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:12:55,232 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:12:57,511 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:12:58,005 WARN L202 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:12:58,812 WARN L202 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2021-02-23 23:12:59,293 WARN L202 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2021-02-23 23:13:00,087 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 62 [2021-02-23 23:13:01,316 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 174 DAG size of output: 67 [2021-02-23 23:13:01,838 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2021-02-23 23:13:02,339 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2021-02-23 23:13:02,976 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2021-02-23 23:13:05,197 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:05,865 WARN L202 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 64 [2021-02-23 23:13:06,360 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2021-02-23 23:13:08,603 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:09,084 WARN L202 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2021-02-23 23:13:09,568 WARN L202 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 58 [2021-02-23 23:13:10,183 WARN L202 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 68 [2021-02-23 23:13:10,858 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:13:11,471 WARN L202 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:13:12,243 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:13:13,020 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:13:15,172 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:16,300 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 162 DAG size of output: 67 [2021-02-23 23:13:17,012 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-02-23 23:13:17,521 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:13:18,139 WARN L202 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2021-02-23 23:13:18,636 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2021-02-23 23:13:20,909 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:21,578 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 64 [2021-02-23 23:13:22,064 WARN L202 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:13:22,938 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 63 [2021-02-23 23:13:23,461 WARN L202 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2021-02-23 23:13:24,117 WARN L202 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2021-02-23 23:13:26,408 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:27,125 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 66 [2021-02-23 23:13:27,852 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:13:28,723 WARN L202 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 68 [2021-02-23 23:13:29,257 WARN L202 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 59 [2021-02-23 23:13:30,128 WARN L202 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 64 [2021-02-23 23:13:31,141 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2021-02-23 23:13:31,699 WARN L202 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2021-02-23 23:13:32,448 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2021-02-23 23:13:32,926 WARN L202 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:13:35,212 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:35,783 WARN L202 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 60 [2021-02-23 23:13:36,440 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2021-02-23 23:13:37,092 WARN L202 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 66 [2021-02-23 23:13:39,336 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:41,607 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:42,089 WARN L202 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:13:44,435 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:46,675 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:47,189 WARN L202 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2021-02-23 23:13:47,654 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 57 [2021-02-23 23:13:48,375 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:13:49,131 WARN L202 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:13:51,362 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:52,051 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:13:54,273 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:56,550 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:58,851 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:13:59,618 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:14:00,335 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 65 [2021-02-23 23:14:01,143 WARN L202 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 64 [2021-02-23 23:14:02,111 WARN L202 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 68 [2021-02-23 23:14:02,688 WARN L202 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:14:04,946 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:07,214 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:07,670 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2021-02-23 23:14:08,873 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 179 DAG size of output: 66 [2021-02-23 23:14:10,125 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 171 DAG size of output: 70 [2021-02-23 23:14:10,743 WARN L202 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2021-02-23 23:14:11,236 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2021-02-23 23:14:12,049 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 59 [2021-02-23 23:14:12,944 WARN L202 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 62 [2021-02-23 23:14:13,559 WARN L202 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-02-23 23:14:15,840 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:16,334 WARN L202 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2021-02-23 23:14:16,903 WARN L202 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 65 [2021-02-23 23:14:19,139 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:21,327 WARN L202 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:21,811 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:14:22,369 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-02-23 23:14:24,637 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:26,882 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:28,256 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 172 DAG size of output: 65 [2021-02-23 23:14:28,980 WARN L202 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:14:29,702 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:14:32,007 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:32,709 WARN L202 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:14:35,025 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:37,324 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:38,260 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 74 [2021-02-23 23:14:39,277 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 117 DAG size of output: 66 [2021-02-23 23:14:41,581 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:42,164 WARN L202 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 58 [2021-02-23 23:14:44,485 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:44,972 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:14:45,485 WARN L202 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2021-02-23 23:14:46,182 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2021-02-23 23:14:46,763 WARN L202 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2021-02-23 23:14:49,083 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:49,891 WARN L202 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 60 [2021-02-23 23:14:50,673 WARN L202 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2021-02-23 23:14:52,978 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:53,581 WARN L202 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2021-02-23 23:14:54,420 WARN L202 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 61 [2021-02-23 23:14:55,657 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 168 DAG size of output: 70 [2021-02-23 23:14:57,993 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:14:58,715 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:14:59,432 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:15:00,217 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 62 [2021-02-23 23:15:00,780 WARN L202 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 61 [2021-02-23 23:15:03,077 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:03,588 WARN L202 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2021-02-23 23:15:04,296 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2021-02-23 23:15:04,815 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2021-02-23 23:15:05,790 WARN L202 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-02-23 23:15:06,624 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 70 [2021-02-23 23:15:07,507 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2021-02-23 23:15:08,151 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2021-02-23 23:15:08,705 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2021-02-23 23:15:09,535 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2021-02-23 23:15:10,041 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2021-02-23 23:15:11,286 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 171 DAG size of output: 70 [2021-02-23 23:15:13,607 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:14,649 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 159 DAG size of output: 64 [2021-02-23 23:15:15,407 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2021-02-23 23:15:15,907 WARN L202 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2021-02-23 23:15:16,593 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2021-02-23 23:15:17,268 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2021-02-23 23:15:18,028 WARN L202 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 62 [2021-02-23 23:15:20,339 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:21,012 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2021-02-23 23:15:23,339 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:24,115 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 60 [2021-02-23 23:15:24,849 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:15:25,587 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:15:27,913 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:28,716 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:15:31,033 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:31,688 WARN L202 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 63 [2021-02-23 23:15:34,036 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:36,345 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:37,024 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2021-02-23 23:15:37,612 WARN L202 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2021-02-23 23:15:38,512 WARN L202 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 62 [2021-02-23 23:15:39,283 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2021-02-23 23:15:41,590 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:42,070 WARN L202 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:15:42,781 WARN L202 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:15:45,111 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:47,426 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:49,765 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:50,479 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:15:52,799 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:53,540 WARN L202 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:15:54,265 WARN L202 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:15:55,002 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:15:57,351 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:15:58,165 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:15:59,420 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 168 DAG size of output: 70 [2021-02-23 23:16:00,022 WARN L202 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:16:00,899 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 62 [2021-02-23 23:16:01,424 WARN L202 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2021-02-23 23:16:02,564 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 174 DAG size of output: 65 [2021-02-23 23:16:03,269 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2021-02-23 23:16:05,604 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:06,175 WARN L202 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-02-23 23:16:06,925 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:16:07,427 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2021-02-23 23:16:09,764 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:10,241 WARN L202 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:16:11,010 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:16:13,242 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:15,465 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:16,134 WARN L202 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:16:16,599 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 47 [2021-02-23 23:16:17,146 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2021-02-23 23:16:17,709 WARN L202 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:16:18,345 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 56 [2021-02-23 23:16:19,184 WARN L202 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2021-02-23 23:16:19,716 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2021-02-23 23:16:20,598 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-02-23 23:16:22,820 WARN L202 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:23,374 WARN L202 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2021-02-23 23:16:25,609 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:26,087 WARN L202 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:16:27,130 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 120 DAG size of output: 67 [2021-02-23 23:16:29,355 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:29,901 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2021-02-23 23:16:30,537 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 64 [2021-02-23 23:16:31,109 WARN L202 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 64 [2021-02-23 23:16:31,859 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 63 [2021-02-23 23:16:32,422 WARN L202 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-02-23 23:16:34,653 WARN L202 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:35,150 WARN L202 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2021-02-23 23:16:36,018 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 63 [2021-02-23 23:16:36,779 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2021-02-23 23:16:37,265 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2021-02-23 23:16:37,944 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2021-02-23 23:16:38,583 WARN L202 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2021-02-23 23:16:39,255 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:16:41,495 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:41,996 WARN L202 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:16:42,487 WARN L202 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2021-02-23 23:16:43,165 WARN L202 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:16:43,723 WARN L202 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2021-02-23 23:16:44,474 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2021-02-23 23:16:45,011 WARN L202 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2021-02-23 23:16:45,684 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:16:46,578 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 65 [2021-02-23 23:16:47,347 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 66 [2021-02-23 23:16:49,586 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:16:50,153 WARN L202 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 62 [2021-02-23 23:16:50,640 WARN L202 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2021-02-23 23:16:51,436 WARN L202 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-02-23 23:16:52,769 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 176 DAG size of output: 69 [2021-02-23 23:16:53,582 WARN L202 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 63 [2021-02-23 23:16:54,227 WARN L202 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2021-02-23 23:16:55,000 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2021-02-23 23:16:55,537 WARN L202 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2021-02-23 23:16:56,242 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:16:58,485 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:00,736 WARN L202 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:02,997 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:03,718 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:17:04,491 WARN L202 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:17:05,200 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:17:07,454 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:08,139 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2021-02-23 23:17:08,996 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 63 [2021-02-23 23:17:09,728 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2021-02-23 23:17:10,270 WARN L202 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 60 [2021-02-23 23:17:10,767 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2021-02-23 23:17:13,022 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:13,881 WARN L202 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2021-02-23 23:17:16,138 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:17,059 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 68 [2021-02-23 23:17:17,726 WARN L202 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:17:18,210 WARN L202 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2021-02-23 23:17:18,761 WARN L202 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 63 [2021-02-23 23:17:19,600 WARN L202 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 66 [2021-02-23 23:17:20,376 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:17:20,865 WARN L202 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2021-02-23 23:17:23,126 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:25,390 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:26,179 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2021-02-23 23:17:26,864 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2021-02-23 23:17:27,572 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-02-23 23:17:29,831 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:30,429 WARN L202 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 64 [2021-02-23 23:17:31,207 WARN L202 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 62 [2021-02-23 23:17:31,843 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2021-02-23 23:17:32,518 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-02-23 23:17:33,058 WARN L202 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 58 [2021-02-23 23:17:33,682 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2021-02-23 23:17:34,331 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 65 [2021-02-23 23:17:36,598 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:37,284 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2021-02-23 23:17:37,788 WARN L202 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2021-02-23 23:17:38,930 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 123 DAG size of output: 66 [2021-02-23 23:17:41,193 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:43,455 WARN L202 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:44,044 WARN L202 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2021-02-23 23:17:44,779 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 61 [2021-02-23 23:17:45,645 WARN L202 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 63 [2021-02-23 23:17:46,515 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 65 [2021-02-23 23:17:47,251 WARN L202 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 65 [2021-02-23 23:17:47,755 WARN L202 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2021-02-23 23:17:48,380 WARN L202 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2021-02-23 23:17:48,955 WARN L202 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 64 [2021-02-23 23:17:49,915 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 72 [2021-02-23 23:17:50,590 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:17:51,385 WARN L202 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2021-02-23 23:17:52,046 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 62 [2021-02-23 23:17:54,320 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:17:54,952 WARN L202 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 66 [2021-02-23 23:17:55,484 WARN L202 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 61 [2021-02-23 23:17:56,008 WARN L202 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 61 [2021-02-23 23:17:56,516 WARN L202 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 59 [2021-02-23 23:17:57,198 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2021-02-23 23:17:57,704 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:17:58,345 WARN L202 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 66 [2021-02-23 23:17:59,016 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-02-23 23:17:59,548 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2021-02-23 23:18:00,140 WARN L202 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2021-02-23 23:18:00,684 WARN L202 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 57 [2021-02-23 23:18:01,481 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 60 [2021-02-23 23:18:02,147 WARN L202 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2021-02-23 23:18:02,807 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2021-02-23 23:18:03,479 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-02-23 23:18:03,981 WARN L202 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2021-02-23 23:18:06,271 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:06,863 WARN L202 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 63 [2021-02-23 23:18:09,139 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:09,644 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 61 [2021-02-23 23:18:10,465 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 65 [2021-02-23 23:18:11,137 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-02-23 23:18:11,266 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 36 [2021-02-23 23:18:11,925 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2021-02-23 23:18:14,206 WARN L202 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:15,257 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2021-02-23 23:18:16,200 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2021-02-23 23:18:16,705 WARN L202 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 61 [2021-02-23 23:18:17,554 WARN L202 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 62 [2021-02-23 23:18:18,118 WARN L202 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 61 [2021-02-23 23:18:18,803 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2021-02-23 23:18:19,475 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:18:20,286 WARN L202 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 60 [2021-02-23 23:18:22,583 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:24,870 WARN L202 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:25,718 WARN L202 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 66 [2021-02-23 23:18:26,349 WARN L202 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 66 [2021-02-23 23:18:27,068 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:18:27,779 WARN L202 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:18:30,092 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:32,394 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:32,906 WARN L202 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:18:34,022 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2021-02-23 23:18:36,328 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:37,054 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:18:37,854 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:18:38,585 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:18:40,885 WARN L202 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:41,610 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:18:43,920 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:44,714 WARN L202 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:18:47,029 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:47,609 WARN L202 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 60 [2021-02-23 23:18:49,918 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:50,495 WARN L202 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 61 [2021-02-23 23:18:52,807 WARN L202 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:53,606 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:18:55,922 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:58,243 WARN L202 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:18:59,097 WARN L202 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2021-02-23 23:19:01,421 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:19:02,139 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:19:02,938 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:19:03,739 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:19:06,070 WARN L202 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:19:15,865 WARN L202 SmtUtils]: Spent 9.77 s on a formula simplification. DAG size of input: 333 DAG size of output: 146 [2021-02-23 23:19:25,916 WARN L202 SmtUtils]: Spent 10.03 s on a formula simplification. DAG size of input: 333 DAG size of output: 148 [2021-02-23 23:19:28,027 WARN L202 SmtUtils]: Spent 2.10 s on a formula simplification. DAG size of input: 229 DAG size of output: 77 [2021-02-23 23:19:28,725 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-02-23 23:19:29,379 WARN L202 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 65 [2021-02-23 23:19:30,517 WARN L202 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 170 DAG size of output: 63 [2021-02-23 23:19:31,057 WARN L202 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 62 [2021-02-23 23:19:33,397 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:19:33,917 WARN L202 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 56 [2021-02-23 23:19:36,265 WARN L202 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:19:38,606 WARN L202 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:19:39,128 WARN L202 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:19:41,486 WARN L202 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:19:42,003 WARN L202 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 57 [2021-02-23 23:19:42,714 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-02-23 23:19:45,070 WARN L202 SmtUtils]: Spent 2.35 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:19:46,379 WARN L202 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 174 DAG size of output: 67 [2021-02-23 23:19:47,071 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 57 [2021-02-23 23:19:47,916 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2021-02-23 23:19:48,434 WARN L202 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 58 [2021-02-23 23:19:49,591 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 174 DAG size of output: 65 [2021-02-23 23:19:50,296 WARN L202 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-02-23 23:19:52,668 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:19:53,214 WARN L202 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 58 [2021-02-23 23:19:55,584 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:19:56,665 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 115 DAG size of output: 63 [2021-02-23 23:19:57,262 WARN L202 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 64 [2021-02-23 23:19:58,069 WARN L202 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2021-02-23 23:20:00,435 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:01,002 WARN L202 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-02-23 23:20:01,829 WARN L202 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:20:04,241 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:06,721 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:09,087 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:09,841 WARN L202 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:20:10,593 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:20:11,162 WARN L202 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2021-02-23 23:20:11,715 WARN L202 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2021-02-23 23:20:14,094 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:15,128 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 190 DAG size of output: 64 [2021-02-23 23:20:17,512 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:18,032 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 57 [2021-02-23 23:20:18,857 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 63 [2021-02-23 23:20:19,881 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 170 DAG size of output: 61 [2021-02-23 23:20:20,605 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2021-02-23 23:20:23,001 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:25,392 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:26,118 WARN L202 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:20:26,848 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:20:27,578 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:20:28,305 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:20:30,820 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:33,232 WARN L202 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:34,121 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 65 [2021-02-23 23:20:36,529 WARN L202 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:37,866 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 176 DAG size of output: 68 [2021-02-23 23:20:38,684 WARN L202 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 63 [2021-02-23 23:20:39,532 WARN L202 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 62 [2021-02-23 23:20:40,391 WARN L202 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 60 [2021-02-23 23:20:42,858 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:45,274 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:46,340 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 119 DAG size of output: 67 [2021-02-23 23:20:47,168 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2021-02-23 23:20:47,793 WARN L202 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:20:50,215 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:51,140 WARN L202 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2021-02-23 23:20:51,771 WARN L202 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 63 [2021-02-23 23:20:52,358 WARN L202 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2021-02-23 23:20:54,784 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:20:55,998 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 114 DAG size of output: 61 [2021-02-23 23:20:56,841 WARN L202 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:20:57,588 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:20:58,349 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:21:00,771 WARN L202 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:01,320 WARN L202 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 59 [2021-02-23 23:21:02,344 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 159 DAG size of output: 62 [2021-02-23 23:21:03,206 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 64 [2021-02-23 23:21:03,845 WARN L202 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-02-23 23:21:06,275 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:08,718 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:09,306 WARN L202 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 57 [2021-02-23 23:21:10,271 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 69 [2021-02-23 23:21:10,792 WARN L202 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:21:11,667 WARN L202 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 60 [2021-02-23 23:21:14,107 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:15,042 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 64 [2021-02-23 23:21:15,985 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 63 [2021-02-23 23:21:17,115 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 112 DAG size of output: 60 [2021-02-23 23:21:17,859 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 62 [2021-02-23 23:21:18,391 WARN L202 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 58 [2021-02-23 23:21:20,836 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:21,563 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 62 [2021-02-23 23:21:22,091 WARN L202 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 56 [2021-02-23 23:21:22,835 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 61 [2021-02-23 23:21:23,567 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 63 [2021-02-23 23:21:24,501 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 65 [2021-02-23 23:21:25,239 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-02-23 23:21:26,085 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2021-02-23 23:21:26,920 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 63 [2021-02-23 23:21:29,373 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:30,626 WARN L202 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 117 DAG size of output: 62 [2021-02-23 23:21:31,214 WARN L202 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 59 [2021-02-23 23:21:33,676 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:36,145 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:36,907 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:21:37,657 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 62 [2021-02-23 23:21:38,647 WARN L202 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 64 [2021-02-23 23:21:39,631 WARN L202 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 67 [2021-02-23 23:21:40,562 WARN L202 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 71 [2021-02-23 23:21:41,230 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 63 [2021-02-23 23:21:43,698 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:44,391 WARN L202 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 65 [2021-02-23 23:21:44,947 WARN L202 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 59 [2021-02-23 23:21:45,797 WARN L202 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 63 [2021-02-23 23:21:46,489 WARN L202 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 63 [2021-02-23 23:21:47,458 WARN L202 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 66 [2021-02-23 23:21:48,092 WARN L202 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 62 [2021-02-23 23:21:48,925 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 59 [2021-02-23 23:21:49,675 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 59 [2021-02-23 23:21:50,428 WARN L202 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 61 [2021-02-23 23:21:52,908 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:53,762 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 62 [2021-02-23 23:21:54,627 WARN L202 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:21:55,396 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:21:57,879 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:21:58,662 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:22:01,147 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:22:03,661 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:22:04,524 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:22:05,309 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 65 [2021-02-23 23:22:07,796 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:22:08,664 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:22:09,435 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:22:10,208 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 62 [2021-02-23 23:22:12,699 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 209 DAG size of output: 78 [2021-02-23 23:22:13,575 WARN L202 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:22:16,057 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 209 DAG size of output: 78