/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 23:42:14,345 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 23:42:14,347 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 23:42:14,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-02-23 23:42:14,489 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 23:42:14,512 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 23:42:14,512 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 23:42:14,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 23:42:14,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 23:42:14,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 23:42:14,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 23:42:14,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 23:42:14,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 23:42:14,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 23:42:14,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 23:42:14,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 23:42:14,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 23:42:14,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 23:42:14,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 23:42:14,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 23:42:14,520 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 23:42:14,520 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 23:42:14,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 23:42:14,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:42:14,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 23:42:14,521 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 23:42:14,521 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 23:42:14,522 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2021-02-23 23:42:14,944 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 23:42:14,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 23:42:14,973 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 23:42:14,975 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 23:42:14,976 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 23:42:14,977 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2021-02-23 23:42:15,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6bbbc6dd/068b920fa3f2437fb2f90434ccf587bb/FLAG06f790cf6 [2021-02-23 23:42:15,879 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 23:42:15,880 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c [2021-02-23 23:42:15,893 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6bbbc6dd/068b920fa3f2437fb2f90434ccf587bb/FLAG06f790cf6 [2021-02-23 23:42:16,005 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a6bbbc6dd/068b920fa3f2437fb2f90434ccf587bb [2021-02-23 23:42:16,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 23:42:16,025 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 23:42:16,032 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 23:42:16,033 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 23:42:16,038 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 23:42:16,039 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:42:16" (1/1) ... [2021-02-23 23:42:16,041 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66795333 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16, skipping insertion in model container [2021-02-23 23:42:16,041 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 11:42:16" (1/1) ... [2021-02-23 23:42:16,052 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 23:42:16,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 23:42:16,588 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c[15538,15551] [2021-02-23 23:42:16,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:42:16,667 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 23:42:16,834 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem02_label40.c[15538,15551] [2021-02-23 23:42:16,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 23:42:16,927 INFO L208 MainTranslator]: Completed translation [2021-02-23 23:42:16,928 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16 WrapperNode [2021-02-23 23:42:16,928 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 23:42:16,929 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 23:42:16,929 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 23:42:16,930 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 23:42:16,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16" (1/1) ... [2021-02-23 23:42:16,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16" (1/1) ... [2021-02-23 23:42:16,967 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16" (1/1) ... [2021-02-23 23:42:16,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16" (1/1) ... [2021-02-23 23:42:17,008 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16" (1/1) ... [2021-02-23 23:42:17,028 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16" (1/1) ... [2021-02-23 23:42:17,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16" (1/1) ... [2021-02-23 23:42:17,057 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 23:42:17,058 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 23:42:17,058 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 23:42:17,059 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 23:42:17,062 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 23:42:17,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 23:42:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 23:42:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 23:42:17,179 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2021-02-23 23:42:17,180 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 23:42:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2021-02-23 23:42:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 23:42:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 23:42:17,180 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 23:42:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 23:42:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 23:42:17,181 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2021-02-23 23:42:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 23:42:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 23:42:17,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 23:42:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 23:42:17,183 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 23:42:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 23:42:17,184 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 23:42:18,596 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 23:42:18,596 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-02-23 23:42:18,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:42:18 BoogieIcfgContainer [2021-02-23 23:42:18,599 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 23:42:18,601 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 23:42:18,601 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 23:42:18,605 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 23:42:18,605 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 11:42:16" (1/3) ... [2021-02-23 23:42:18,606 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd44ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:42:18, skipping insertion in model container [2021-02-23 23:42:18,606 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 11:42:16" (2/3) ... [2021-02-23 23:42:18,607 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@fd44ada and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 11:42:18, skipping insertion in model container [2021-02-23 23:42:18,607 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 11:42:18" (3/3) ... [2021-02-23 23:42:18,608 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem02_label40.c [2021-02-23 23:42:18,615 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 23:42:18,621 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 23:42:18,641 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 23:42:18,669 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 23:42:18,669 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 23:42:18,669 INFO L378 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2021-02-23 23:42:18,669 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 23:42:18,669 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 23:42:18,670 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 23:42:18,670 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 23:42:18,670 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 23:42:18,720 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states. [2021-02-23 23:42:18,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2021-02-23 23:42:18,743 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:18,744 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] [2021-02-23 23:42:18,744 INFO L428 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:18,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:18,752 INFO L82 PathProgramCache]: Analyzing trace with hash -1806736777, now seen corresponding path program 1 times [2021-02-23 23:42:18,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:18,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1930371864] [2021-02-23 23:42:18,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:18,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:19,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:19,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:19,213 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:19,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:19,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:19,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:19,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:19,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:19,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:19,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:19,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:19,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:19,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:19,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:19,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:19,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:19,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:42:19,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1930371864] [2021-02-23 23:42:19,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:42:19,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 23:42:19,405 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678678633] [2021-02-23 23:42:19,411 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:42:19,411 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:19,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:42:19,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:42:19,430 INFO L87 Difference]: Start difference. First operand 536 states. Second operand 5 states. [2021-02-23 23:42:19,667 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-02-23 23:42:23,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:23,663 INFO L93 Difference]: Finished difference Result 1669 states and 2272 transitions. [2021-02-23 23:42:23,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-02-23 23:42:23,665 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2021-02-23 23:42:23,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:23,689 INFO L225 Difference]: With dead ends: 1669 [2021-02-23 23:42:23,689 INFO L226 Difference]: Without dead ends: 1046 [2021-02-23 23:42:23,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-02-23 23:42:23,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1046 states. [2021-02-23 23:42:23,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1046 to 874. [2021-02-23 23:42:23,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 874 states. [2021-02-23 23:42:23,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 874 states and 1074 transitions. [2021-02-23 23:42:23,959 INFO L78 Accepts]: Start accepts. Automaton has 874 states and 1074 transitions. Word has length 123 [2021-02-23 23:42:23,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:23,960 INFO L480 AbstractCegarLoop]: Abstraction has 874 states and 1074 transitions. [2021-02-23 23:42:23,960 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:42:23,960 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1074 transitions. [2021-02-23 23:42:23,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2021-02-23 23:42:23,968 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:23,968 INFO L422 BasicCegarLoop]: trace histogram [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] [2021-02-23 23:42:23,969 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 23:42:23,969 INFO L428 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:23,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:23,970 INFO L82 PathProgramCache]: Analyzing trace with hash -2024952248, now seen corresponding path program 1 times [2021-02-23 23:42:23,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:23,970 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [709928887] [2021-02-23 23:42:23,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:24,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:24,131 WARN L141 QuantifierPusher]: treesize reduction 23, result has 25.8 percent of original size [2021-02-23 23:42:24,133 WARN L147 QuantifierPusher]: treesize reduction 23, result has 25.8 percent of original size 8 [2021-02-23 23:42:24,146 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:24,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:42:24,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:24,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:24,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:24,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:24,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:24,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:24,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:24,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:24,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:24,289 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:24,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:42:24,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:24,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:42:24,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:24,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:24,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:24,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 23:42:24,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:24,346 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-02-23 23:42:24,386 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:42:24,387 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [709928887] [2021-02-23 23:42:24,387 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:42:24,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-23 23:42:24,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1118208082] [2021-02-23 23:42:24,389 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:42:24,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:24,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:42:24,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:42:24,391 INFO L87 Difference]: Start difference. First operand 874 states and 1074 transitions. Second operand 10 states. [2021-02-23 23:42:25,107 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 86 [2021-02-23 23:42:31,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:31,068 INFO L93 Difference]: Finished difference Result 2357 states and 2924 transitions. [2021-02-23 23:42:31,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-23 23:42:31,069 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 141 [2021-02-23 23:42:31,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:31,079 INFO L225 Difference]: With dead ends: 2357 [2021-02-23 23:42:31,080 INFO L226 Difference]: Without dead ends: 1513 [2021-02-23 23:42:31,085 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=663, Unknown=0, NotChecked=0, Total=870 [2021-02-23 23:42:31,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1513 states. [2021-02-23 23:42:31,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1513 to 1216. [2021-02-23 23:42:31,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1216 states. [2021-02-23 23:42:31,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1216 states to 1216 states and 1474 transitions. [2021-02-23 23:42:31,332 INFO L78 Accepts]: Start accepts. Automaton has 1216 states and 1474 transitions. Word has length 141 [2021-02-23 23:42:31,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:31,333 INFO L480 AbstractCegarLoop]: Abstraction has 1216 states and 1474 transitions. [2021-02-23 23:42:31,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:42:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1474 transitions. [2021-02-23 23:42:31,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2021-02-23 23:42:31,339 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:31,340 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:31,340 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 23:42:31,340 INFO L428 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:31,341 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:31,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1148500666, now seen corresponding path program 1 times [2021-02-23 23:42:31,342 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:31,342 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1766954685] [2021-02-23 23:42:31,342 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:31,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:31,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:31,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:31,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:31,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:31,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:31,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:31,457 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:31,599 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-02-23 23:42:31,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:31,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:31,611 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:31,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:31,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:31,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:31,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:31,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:31,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:42:31,682 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 13 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:42:31,682 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1766954685] [2021-02-23 23:42:31,682 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:31,683 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2021-02-23 23:42:31,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501967297] [2021-02-23 23:42:31,684 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 23:42:31,684 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:31,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 23:42:31,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 23:42:31,685 INFO L87 Difference]: Start difference. First operand 1216 states and 1474 transitions. Second operand 5 states. [2021-02-23 23:42:34,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:34,205 INFO L93 Difference]: Finished difference Result 2450 states and 2976 transitions. [2021-02-23 23:42:34,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-02-23 23:42:34,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 145 [2021-02-23 23:42:34,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:34,230 INFO L225 Difference]: With dead ends: 2450 [2021-02-23 23:42:34,230 INFO L226 Difference]: Without dead ends: 1264 [2021-02-23 23:42:34,236 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-02-23 23:42:34,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1264 states. [2021-02-23 23:42:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1264 to 1178. [2021-02-23 23:42:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1178 states. [2021-02-23 23:42:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 1178 states and 1406 transitions. [2021-02-23 23:42:34,523 INFO L78 Accepts]: Start accepts. Automaton has 1178 states and 1406 transitions. Word has length 145 [2021-02-23 23:42:34,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:34,525 INFO L480 AbstractCegarLoop]: Abstraction has 1178 states and 1406 transitions. [2021-02-23 23:42:34,525 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 23:42:34,525 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1406 transitions. [2021-02-23 23:42:34,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-23 23:42:34,532 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:34,533 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:34,533 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 23:42:34,533 INFO L428 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:34,534 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:34,534 INFO L82 PathProgramCache]: Analyzing trace with hash 385268061, now seen corresponding path program 1 times [2021-02-23 23:42:34,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:34,535 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1148048568] [2021-02-23 23:42:34,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:34,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:34,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,598 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:34,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:34,602 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:34,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:34,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:34,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:34,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,687 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:42:34,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:34,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:34,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:34,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:34,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:34,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 23:42:34,748 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1148048568] [2021-02-23 23:42:34,748 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 23:42:34,749 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-23 23:42:34,749 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382920948] [2021-02-23 23:42:34,750 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:42:34,750 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:34,750 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:42:34,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:42:34,751 INFO L87 Difference]: Start difference. First operand 1178 states and 1406 transitions. Second operand 7 states. [2021-02-23 23:42:37,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:37,631 INFO L93 Difference]: Finished difference Result 3149 states and 3957 transitions. [2021-02-23 23:42:37,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:42:37,632 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 147 [2021-02-23 23:42:37,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:37,652 INFO L225 Difference]: With dead ends: 3149 [2021-02-23 23:42:37,652 INFO L226 Difference]: Without dead ends: 2001 [2021-02-23 23:42:37,659 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:42:37,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2001 states. [2021-02-23 23:42:38,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2001 to 1947. [2021-02-23 23:42:38,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1947 states. [2021-02-23 23:42:38,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1947 states to 1947 states and 2349 transitions. [2021-02-23 23:42:38,147 INFO L78 Accepts]: Start accepts. Automaton has 1947 states and 2349 transitions. Word has length 147 [2021-02-23 23:42:38,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:38,151 INFO L480 AbstractCegarLoop]: Abstraction has 1947 states and 2349 transitions. [2021-02-23 23:42:38,152 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:42:38,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1947 states and 2349 transitions. [2021-02-23 23:42:38,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-23 23:42:38,160 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:38,166 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 23:42:38,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 23:42:38,166 INFO L428 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:38,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:38,167 INFO L82 PathProgramCache]: Analyzing trace with hash 208959033, now seen corresponding path program 1 times [2021-02-23 23:42:38,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:38,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1750296005] [2021-02-23 23:42:38,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:38,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,255 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:42:38,255 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:42:38,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:38,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,343 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:38,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:38,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:38,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:38,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:42:38,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:38,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:38,397 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:38,398 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:38,430 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:42:38,430 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1750296005] [2021-02-23 23:42:38,430 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:38,430 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:42:38,431 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631690516] [2021-02-23 23:42:38,431 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:42:38,431 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:38,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:42:38,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:42:38,432 INFO L87 Difference]: Start difference. First operand 1947 states and 2349 transitions. Second operand 8 states. [2021-02-23 23:42:42,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:42,410 INFO L93 Difference]: Finished difference Result 5287 states and 6711 transitions. [2021-02-23 23:42:42,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 23:42:42,411 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 165 [2021-02-23 23:42:42,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:42,443 INFO L225 Difference]: With dead ends: 5287 [2021-02-23 23:42:42,443 INFO L226 Difference]: Without dead ends: 3520 [2021-02-23 23:42:42,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2021-02-23 23:42:42,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3520 states. [2021-02-23 23:42:43,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3520 to 3498. [2021-02-23 23:42:43,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3498 states. [2021-02-23 23:42:43,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3498 states to 3498 states and 4304 transitions. [2021-02-23 23:42:43,188 INFO L78 Accepts]: Start accepts. Automaton has 3498 states and 4304 transitions. Word has length 165 [2021-02-23 23:42:43,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:43,188 INFO L480 AbstractCegarLoop]: Abstraction has 3498 states and 4304 transitions. [2021-02-23 23:42:43,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:42:43,189 INFO L276 IsEmpty]: Start isEmpty. Operand 3498 states and 4304 transitions. [2021-02-23 23:42:43,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-02-23 23:42:43,200 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:43,200 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:43,201 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 23:42:43,201 INFO L428 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:43,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:43,201 INFO L82 PathProgramCache]: Analyzing trace with hash -2090390482, now seen corresponding path program 1 times [2021-02-23 23:42:43,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:43,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1373302701] [2021-02-23 23:42:43,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:43,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:42:43,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 23:42:43,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:43,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:43,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:43,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:43,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:43,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,402 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:43,403 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:43,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:43,426 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:42:43,427 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:42:43,445 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 23:42:43,446 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 23:42:43,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:43,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:43,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:42:43,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:43,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:43,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:43,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:43,592 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 31 proven. 16 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-02-23 23:42:43,592 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1373302701] [2021-02-23 23:42:43,593 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:43,593 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2021-02-23 23:42:43,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1102496833] [2021-02-23 23:42:43,594 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-23 23:42:43,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:43,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-23 23:42:43,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2021-02-23 23:42:43,596 INFO L87 Difference]: Start difference. First operand 3498 states and 4304 transitions. Second operand 10 states. [2021-02-23 23:42:43,848 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2021-02-23 23:42:46,650 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2021-02-23 23:42:50,672 WARN L202 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 90 [2021-02-23 23:42:52,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:52,346 INFO L93 Difference]: Finished difference Result 8179 states and 10238 transitions. [2021-02-23 23:42:52,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-23 23:42:52,347 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 174 [2021-02-23 23:42:52,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:52,388 INFO L225 Difference]: With dead ends: 8179 [2021-02-23 23:42:52,388 INFO L226 Difference]: Without dead ends: 4861 [2021-02-23 23:42:52,403 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 318 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=348, Invalid=984, Unknown=0, NotChecked=0, Total=1332 [2021-02-23 23:42:52,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4861 states. [2021-02-23 23:42:53,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4861 to 3960. [2021-02-23 23:42:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3960 states. [2021-02-23 23:42:53,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3960 states to 3960 states and 4682 transitions. [2021-02-23 23:42:53,163 INFO L78 Accepts]: Start accepts. Automaton has 3960 states and 4682 transitions. Word has length 174 [2021-02-23 23:42:53,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:53,164 INFO L480 AbstractCegarLoop]: Abstraction has 3960 states and 4682 transitions. [2021-02-23 23:42:53,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-23 23:42:53,164 INFO L276 IsEmpty]: Start isEmpty. Operand 3960 states and 4682 transitions. [2021-02-23 23:42:53,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2021-02-23 23:42:53,173 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:53,174 INFO L422 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:42:53,174 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 23:42:53,174 INFO L428 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:53,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:53,175 INFO L82 PathProgramCache]: Analyzing trace with hash 732622596, now seen corresponding path program 1 times [2021-02-23 23:42:53,175 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:53,175 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [254005580] [2021-02-23 23:42:53,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:53,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:53,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:53,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:53,225 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:42:53,227 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:42:53,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:53,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:53,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:53,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:53,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:53,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:53,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:53,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:53,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:53,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:53,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:53,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:53,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2021-02-23 23:42:53,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:53,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:53,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:53,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:53,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:53,388 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 51 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-02-23 23:42:53,389 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [254005580] [2021-02-23 23:42:53,389 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:53,389 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2021-02-23 23:42:53,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563897795] [2021-02-23 23:42:53,390 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 23:42:53,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:53,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 23:42:53,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2021-02-23 23:42:53,391 INFO L87 Difference]: Start difference. First operand 3960 states and 4682 transitions. Second operand 8 states. [2021-02-23 23:42:56,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:56,227 INFO L93 Difference]: Finished difference Result 7771 states and 9214 transitions. [2021-02-23 23:42:56,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:42:56,228 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2021-02-23 23:42:56,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:42:56,253 INFO L225 Difference]: With dead ends: 7771 [2021-02-23 23:42:56,253 INFO L226 Difference]: Without dead ends: 3420 [2021-02-23 23:42:56,267 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:42:56,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3420 states. [2021-02-23 23:42:57,007 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3420 to 3406. [2021-02-23 23:42:57,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3406 states. [2021-02-23 23:42:57,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3406 states to 3406 states and 3855 transitions. [2021-02-23 23:42:57,016 INFO L78 Accepts]: Start accepts. Automaton has 3406 states and 3855 transitions. Word has length 178 [2021-02-23 23:42:57,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:42:57,016 INFO L480 AbstractCegarLoop]: Abstraction has 3406 states and 3855 transitions. [2021-02-23 23:42:57,016 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 23:42:57,016 INFO L276 IsEmpty]: Start isEmpty. Operand 3406 states and 3855 transitions. [2021-02-23 23:42:57,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-23 23:42:57,027 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:42:57,028 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-02-23 23:42:57,028 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 23:42:57,028 INFO L428 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:42:57,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:42:57,029 INFO L82 PathProgramCache]: Analyzing trace with hash -932396496, now seen corresponding path program 1 times [2021-02-23 23:42:57,029 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:42:57,029 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [948004336] [2021-02-23 23:42:57,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:42:57,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:57,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:57,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:57,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:57,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:57,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:57,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:57,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:42:57,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:57,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:57,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:57,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:42:57,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:57,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:57,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:57,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:57,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:42:57,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 23:42:57,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:57,203 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:57,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:57,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:57,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:42:57,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2021-02-23 23:42:57,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:42:57,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:42:57,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:42:57,278 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 124 proven. 22 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2021-02-23 23:42:57,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [948004336] [2021-02-23 23:42:57,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:42:57,278 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:42:57,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [769189391] [2021-02-23 23:42:57,279 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:42:57,279 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:42:57,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:42:57,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:42:57,280 INFO L87 Difference]: Start difference. First operand 3406 states and 3855 transitions. Second operand 7 states. [2021-02-23 23:42:59,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:42:59,979 INFO L93 Difference]: Finished difference Result 7515 states and 8825 transitions. [2021-02-23 23:42:59,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-02-23 23:42:59,980 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 239 [2021-02-23 23:42:59,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:43:00,014 INFO L225 Difference]: With dead ends: 7515 [2021-02-23 23:43:00,015 INFO L226 Difference]: Without dead ends: 4289 [2021-02-23 23:43:00,027 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 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 23:43:00,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4289 states. [2021-02-23 23:43:00,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4289 to 3854. [2021-02-23 23:43:00,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3854 states. [2021-02-23 23:43:00,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3854 states to 3854 states and 4336 transitions. [2021-02-23 23:43:00,650 INFO L78 Accepts]: Start accepts. Automaton has 3854 states and 4336 transitions. Word has length 239 [2021-02-23 23:43:00,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:43:00,650 INFO L480 AbstractCegarLoop]: Abstraction has 3854 states and 4336 transitions. [2021-02-23 23:43:00,650 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:43:00,650 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 4336 transitions. [2021-02-23 23:43:00,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2021-02-23 23:43:00,662 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:43:00,662 INFO L422 BasicCegarLoop]: trace histogram [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, 3, 3, 3, 3, 3, 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] [2021-02-23 23:43:00,662 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 23:43:00,663 INFO L428 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:43:00,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:43:00,663 INFO L82 PathProgramCache]: Analyzing trace with hash 365175295, now seen corresponding path program 1 times [2021-02-23 23:43:00,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:43:00,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999190360] [2021-02-23 23:43:00,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:43:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:00,721 WARN L141 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size [2021-02-23 23:43:00,722 WARN L147 QuantifierPusher]: treesize reduction 17, result has 19.0 percent of original size 4 [2021-02-23 23:43:00,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:43:00,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:43:00,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:43:00,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:00,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:43:00,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:00,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:00,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:43:00,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:43:00,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:00,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:00,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:43:00,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2021-02-23 23:43:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:00,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:00,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:43:00,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2021-02-23 23:43:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:00,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:43:00,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:43:00,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2021-02-23 23:43:00,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:00,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:00,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:01,006 INFO L134 CoverageAnalysis]: Checked inductivity of 231 backedges. 140 proven. 26 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2021-02-23 23:43:01,007 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999190360] [2021-02-23 23:43:01,007 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:43:01,007 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2021-02-23 23:43:01,007 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29406074] [2021-02-23 23:43:01,008 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-02-23 23:43:01,008 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:43:01,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-02-23 23:43:01,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-02-23 23:43:01,009 INFO L87 Difference]: Start difference. First operand 3854 states and 4336 transitions. Second operand 9 states. [2021-02-23 23:43:03,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:43:03,205 INFO L93 Difference]: Finished difference Result 7032 states and 8145 transitions. [2021-02-23 23:43:03,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-02-23 23:43:03,211 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 257 [2021-02-23 23:43:03,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:43:03,234 INFO L225 Difference]: With dead ends: 7032 [2021-02-23 23:43:03,234 INFO L226 Difference]: Without dead ends: 3356 [2021-02-23 23:43:03,245 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2021-02-23 23:43:03,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3356 states. [2021-02-23 23:43:03,741 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3356 to 2792. [2021-02-23 23:43:03,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2792 states. [2021-02-23 23:43:03,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2792 states and 3097 transitions. [2021-02-23 23:43:03,748 INFO L78 Accepts]: Start accepts. Automaton has 2792 states and 3097 transitions. Word has length 257 [2021-02-23 23:43:03,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:43:03,748 INFO L480 AbstractCegarLoop]: Abstraction has 2792 states and 3097 transitions. [2021-02-23 23:43:03,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2021-02-23 23:43:03,748 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3097 transitions. [2021-02-23 23:43:03,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2021-02-23 23:43:03,757 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:43:03,758 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:43:03,758 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 23:43:03,758 INFO L428 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:43:03,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:43:03,759 INFO L82 PathProgramCache]: Analyzing trace with hash -113477432, now seen corresponding path program 1 times [2021-02-23 23:43:03,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:43:03,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1858560017] [2021-02-23 23:43:03,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:43:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:03,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:03,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:03,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:03,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:43:03,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:03,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:03,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:43:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:04,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:04,017 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:04,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:43:04,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:04,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:04,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:04,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2021-02-23 23:43:04,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:04,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:04,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:04,068 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:04,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 23:43:04,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 23:43:04,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:04,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:04,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:43:04,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:04,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 23:43:04,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 23:43:04,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:04,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:04,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:04,240 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 173 proven. 13 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2021-02-23 23:43:04,240 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1858560017] [2021-02-23 23:43:04,240 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:43:04,241 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2021-02-23 23:43:04,241 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063101829] [2021-02-23 23:43:04,241 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-23 23:43:04,242 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:43:04,242 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-23 23:43:04,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-02-23 23:43:04,242 INFO L87 Difference]: Start difference. First operand 2792 states and 3097 transitions. Second operand 7 states. [2021-02-23 23:43:06,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:43:06,897 INFO L93 Difference]: Finished difference Result 4927 states and 5498 transitions. [2021-02-23 23:43:06,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-02-23 23:43:06,897 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 265 [2021-02-23 23:43:06,898 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:43:06,910 INFO L225 Difference]: With dead ends: 4927 [2021-02-23 23:43:06,910 INFO L226 Difference]: Without dead ends: 2255 [2021-02-23 23:43:06,917 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-02-23 23:43:06,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2255 states. [2021-02-23 23:43:07,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2255 to 2253. [2021-02-23 23:43:07,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2253 states. [2021-02-23 23:43:07,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2253 states to 2253 states and 2398 transitions. [2021-02-23 23:43:07,296 INFO L78 Accepts]: Start accepts. Automaton has 2253 states and 2398 transitions. Word has length 265 [2021-02-23 23:43:07,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:43:07,297 INFO L480 AbstractCegarLoop]: Abstraction has 2253 states and 2398 transitions. [2021-02-23 23:43:07,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-23 23:43:07,297 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2398 transitions. [2021-02-23 23:43:07,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2021-02-23 23:43:07,304 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 23:43:07,305 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 23:43:07,305 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 23:43:07,305 INFO L428 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 23:43:07,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 23:43:07,306 INFO L82 PathProgramCache]: Analyzing trace with hash -619329300, now seen corresponding path program 1 times [2021-02-23 23:43:07,306 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 23:43:07,306 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [895115536] [2021-02-23 23:43:07,306 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 23:43:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:07,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:43:07,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:43:07,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 23:43:07,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,444 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 23:43:07,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:43:07,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-23 23:43:07,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:07,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 23:43:07,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:07,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:07,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 23:43:07,564 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:43:07,565 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:43:07,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2021-02-23 23:43:07,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:07,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:07,600 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:43:07,601 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:43:07,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 23:43:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:07,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:07,632 WARN L141 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size [2021-02-23 23:43:07,632 WARN L147 QuantifierPusher]: treesize reduction 2, result has 77.8 percent of original size 7 [2021-02-23 23:43:07,633 WARN L141 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size [2021-02-23 23:43:07,634 WARN L147 QuantifierPusher]: treesize reduction 2, result has 83.3 percent of original size 10 [2021-02-23 23:43:07,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-02-23 23:43:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 23:43:07,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 23:43:07,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 23:43:07,663 WARN L141 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size [2021-02-23 23:43:07,663 WARN L147 QuantifierPusher]: treesize reduction 2, result has 84.6 percent of original size 11 [2021-02-23 23:43:07,664 WARN L141 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size [2021-02-23 23:43:07,665 WARN L147 QuantifierPusher]: treesize reduction 4, result has 77.8 percent of original size 14 [2021-02-23 23:43:07,683 WARN L141 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size [2021-02-23 23:43:07,684 WARN L147 QuantifierPusher]: treesize reduction 4, result has 81.0 percent of original size 17 [2021-02-23 23:43:07,705 WARN L141 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size [2021-02-23 23:43:07,706 WARN L147 QuantifierPusher]: treesize reduction 4, result has 83.3 percent of original size 20 [2021-02-23 23:43:08,039 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 155 proven. 26 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-02-23 23:43:08,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [895115536] [2021-02-23 23:43:08,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2021-02-23 23:43:08,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2021-02-23 23:43:08,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474271967] [2021-02-23 23:43:08,041 INFO L460 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-02-23 23:43:08,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 23:43:08,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-02-23 23:43:08,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2021-02-23 23:43:08,042 INFO L87 Difference]: Start difference. First operand 2253 states and 2398 transitions. Second operand 13 states. [2021-02-23 23:43:09,597 WARN L202 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-02-23 23:43:10,143 WARN L202 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-02-23 23:43:10,789 WARN L202 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 91 [2021-02-23 23:43:12,228 WARN L202 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-02-23 23:43:12,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 23:43:12,606 INFO L93 Difference]: Finished difference Result 4496 states and 4785 transitions. [2021-02-23 23:43:12,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-02-23 23:43:12,607 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 292 [2021-02-23 23:43:12,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 23:43:12,611 INFO L225 Difference]: With dead ends: 4496 [2021-02-23 23:43:12,611 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 23:43:12,622 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2021-02-23 23:43:12,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 23:43:12,622 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 23:43:12,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 23:43:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 23:43:12,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 292 [2021-02-23 23:43:12,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 23:43:12,623 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 23:43:12,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2021-02-23 23:43:12,623 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 23:43:12,623 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 23:43:12,623 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 23:43:12,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 23:43:14,171 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-02-23 23:43:17,818 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 156 [2021-02-23 23:43:22,610 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 101 [2021-02-23 23:44:07,965 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:44:10,606 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:44:11,502 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-02-23 23:44:12,709 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2021-02-23 23:44:13,958 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:44:15,124 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:44:17,515 WARN L202 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:44:18,349 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:44:20,791 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:44:23,268 WARN L202 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:44:25,773 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:44:26,632 WARN L202 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:44:27,602 WARN L202 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:44:28,346 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:44:29,238 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2021-02-23 23:44:30,358 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2021-02-23 23:44:31,249 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2021-02-23 23:44:32,083 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 66 [2021-02-23 23:44:34,572 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:44:35,720 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2021-02-23 23:44:36,450 WARN L202 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:44:39,043 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:44:39,773 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:44:40,524 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:44:41,301 WARN L202 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:44:42,228 WARN L202 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-02-23 23:44:43,003 WARN L202 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:44:43,716 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:44:46,083 WARN L202 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:44:46,882 WARN L202 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 68 [2021-02-23 23:44:47,663 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:44:48,447 WARN L202 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:44:49,722 WARN L202 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:44:52,208 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:44:53,104 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:44:54,317 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:44:55,021 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:44:55,800 WARN L202 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-02-23 23:44:56,528 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:44:57,444 WARN L202 SmtUtils]: Spent 910.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 67 [2021-02-23 23:44:59,985 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:45:00,831 WARN L202 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-02-23 23:45:01,551 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:04,153 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:45:05,024 WARN L202 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2021-02-23 23:45:05,782 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:06,627 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:45:09,144 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:45:11,790 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:45:12,559 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:13,548 WARN L202 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2021-02-23 23:45:14,313 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:15,084 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:15,912 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:45:18,576 WARN L202 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:45:19,343 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:21,990 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:45:22,747 WARN L202 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:23,651 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-02-23 23:45:24,395 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:25,230 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 65 [2021-02-23 23:45:26,095 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:45:27,182 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 153 DAG size of output: 70 [2021-02-23 23:45:27,940 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:28,700 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:29,440 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:30,175 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:31,050 WARN L202 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2021-02-23 23:45:31,856 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:34,338 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:45:35,227 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 68 [2021-02-23 23:45:36,091 WARN L202 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-02-23 23:45:37,011 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 69 [2021-02-23 23:45:39,526 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:45:42,135 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:45:43,313 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:45:44,491 WARN L202 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:45:45,387 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:45:47,886 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:45:49,153 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:45:51,668 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:45:54,191 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:45:54,941 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:55,937 WARN L202 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2021-02-23 23:45:56,704 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:57,463 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:45:58,300 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 67 [2021-02-23 23:46:00,909 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:46:01,798 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-02-23 23:46:02,692 WARN L202 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 67 [2021-02-23 23:46:03,456 WARN L202 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:04,221 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:04,988 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:05,891 WARN L202 SmtUtils]: Spent 898.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2021-02-23 23:46:08,570 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:46:09,661 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2021-02-23 23:46:12,287 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:46:13,048 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:13,965 WARN L202 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 68 [2021-02-23 23:46:16,641 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:46:19,259 WARN L202 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:46:20,027 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:22,662 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:46:25,166 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:46:25,923 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:26,824 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-02-23 23:46:27,598 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:30,125 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:46:31,038 WARN L202 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:46:31,940 WARN L202 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:46:32,824 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:46:35,218 WARN L202 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:46:35,945 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:38,485 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:46:39,316 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-02-23 23:46:40,049 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:42,567 WARN L202 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:46:43,444 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 70 [2021-02-23 23:46:44,180 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:44,911 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:45,647 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:46,378 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:47,191 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-02-23 23:46:48,038 WARN L202 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 67 [2021-02-23 23:46:48,794 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:49,529 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:50,822 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2021-02-23 23:46:51,555 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:46:52,701 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:46:55,108 WARN L202 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:46:57,516 WARN L202 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:46:58,377 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:46:59,519 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:47:00,400 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 71 [2021-02-23 23:47:02,935 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:47:03,672 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:47:04,488 WARN L202 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-02-23 23:47:07,031 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:47:07,900 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2021-02-23 23:47:08,649 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:47:11,190 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:47:11,930 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:47:12,815 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:47:13,753 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:47:14,708 WARN L202 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-02-23 23:47:15,586 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-02-23 23:47:16,432 WARN L202 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 66 [2021-02-23 23:47:17,352 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 67 [2021-02-23 23:47:18,647 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2021-02-23 23:47:21,190 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:47:22,136 WARN L202 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2021-02-23 23:47:22,990 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 65 [2021-02-23 23:47:23,862 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 68 [2021-02-23 23:47:24,677 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-02-23 23:47:27,098 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:47:28,339 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:47:29,579 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:47:30,472 WARN L202 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:47:32,894 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:47:33,652 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:47:34,513 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 62 [2021-02-23 23:47:35,257 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:47:36,001 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:47:38,559 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:47:41,119 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:47:41,961 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-02-23 23:47:42,707 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:47:43,865 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:47:44,841 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 72 [2021-02-23 23:47:47,266 WARN L202 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:47:48,359 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2021-02-23 23:47:49,603 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:47:52,045 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:47:54,476 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:47:55,373 WARN L202 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:47:57,810 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:48:00,246 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:48:02,684 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:48:03,561 WARN L202 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:48:04,729 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:48:05,977 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:48:08,421 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:48:09,173 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:09,925 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:12,500 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:48:15,088 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:48:15,970 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2021-02-23 23:48:16,819 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 65 [2021-02-23 23:48:17,573 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:20,019 WARN L202 SmtUtils]: Spent 2.44 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:48:20,889 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2021-02-23 23:48:21,783 WARN L202 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 71 [2021-02-23 23:48:24,366 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:48:25,271 WARN L202 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:48:26,155 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:48:27,118 WARN L202 SmtUtils]: Spent 958.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:48:29,575 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:48:30,379 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:31,235 WARN L202 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-02-23 23:48:31,994 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:32,927 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 74 [2021-02-23 23:48:33,762 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:48:34,603 WARN L202 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-02-23 23:48:35,363 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:36,120 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:38,710 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:48:41,303 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:48:42,118 WARN L202 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2021-02-23 23:48:44,697 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:48:45,865 WARN L202 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 149 DAG size of output: 73 [2021-02-23 23:48:46,853 WARN L202 SmtUtils]: Spent 983.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2021-02-23 23:48:47,613 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:48,371 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:49,272 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 71 [2021-02-23 23:48:51,869 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:48:53,092 WARN L202 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 152 DAG size of output: 78 [2021-02-23 23:48:55,698 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:48:56,516 WARN L202 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2021-02-23 23:48:57,283 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:48:58,137 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 65 [2021-02-23 23:48:58,954 WARN L202 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:48:59,781 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 65 [2021-02-23 23:49:00,612 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 67 [2021-02-23 23:49:01,471 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-02-23 23:49:02,618 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 157 DAG size of output: 70 [2021-02-23 23:49:03,383 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:04,361 WARN L202 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 70 [2021-02-23 23:49:05,216 WARN L202 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 63 [2021-02-23 23:49:06,083 WARN L202 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 67 [2021-02-23 23:49:06,852 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:07,853 WARN L202 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 72 [2021-02-23 23:49:08,617 WARN L202 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:09,383 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:10,266 WARN L202 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 66 [2021-02-23 23:49:12,888 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:49:13,654 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:16,265 WARN L202 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:49:17,206 WARN L202 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-02-23 23:49:19,827 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:49:20,597 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:21,367 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:22,287 WARN L202 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:49:23,184 WARN L202 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:49:25,681 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:49:26,884 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:49:29,377 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:49:31,903 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:49:34,402 WARN L202 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:49:35,599 WARN L202 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:49:36,500 WARN L202 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:49:37,783 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 147 DAG size of output: 69 [2021-02-23 23:49:38,556 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:39,542 WARN L202 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 73 [2021-02-23 23:49:42,176 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:49:44,816 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:49:47,459 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:49:48,238 WARN L202 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:49,194 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 68 [2021-02-23 23:49:49,969 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:49:50,827 WARN L202 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 65 [2021-02-23 23:49:51,846 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 153 DAG size of output: 73 [2021-02-23 23:49:54,350 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:49:56,986 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:49:59,633 WARN L202 SmtUtils]: Spent 2.64 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:50:00,515 WARN L202 SmtUtils]: Spent 876.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2021-02-23 23:50:01,392 WARN L202 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 68 [2021-02-23 23:50:02,359 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 73 [2021-02-23 23:50:03,183 WARN L202 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:03,964 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:04,735 WARN L202 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:07,405 WARN L202 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:50:08,192 WARN L202 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:10,846 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:50:13,508 WARN L202 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:50:14,561 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:50:15,498 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 67 [2021-02-23 23:50:16,370 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-02-23 23:50:17,154 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:19,815 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:50:20,597 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:21,545 WARN L202 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 67 [2021-02-23 23:50:22,333 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:24,993 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:50:25,934 WARN L202 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:50:26,937 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 69 [2021-02-23 23:50:27,946 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:50:28,779 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-02-23 23:50:29,722 WARN L202 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-02-23 23:50:30,658 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 68 [2021-02-23 23:50:31,442 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:32,427 WARN L202 SmtUtils]: Spent 980.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:50:33,313 WARN L202 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2021-02-23 23:50:34,247 WARN L202 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 68 [2021-02-23 23:50:35,209 WARN L202 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:50:35,997 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:37,242 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2021-02-23 23:50:38,162 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 67 [2021-02-23 23:50:38,951 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:40,038 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 158 DAG size of output: 70 [2021-02-23 23:50:40,904 WARN L202 SmtUtils]: Spent 861.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2021-02-23 23:50:41,695 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:42,487 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:43,471 WARN L202 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:50:44,418 WARN L202 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 55 [2021-02-23 23:50:45,209 WARN L202 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:46,003 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:47,027 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 156 DAG size of output: 67 [2021-02-23 23:50:47,819 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:50,491 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:50:51,283 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:52,076 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:50:52,966 WARN L202 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-02-23 23:50:53,858 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 68 [2021-02-23 23:50:54,010 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 34 [2021-02-23 23:50:54,934 WARN L202 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 66 [2021-02-23 23:50:57,615 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:50:58,488 WARN L202 SmtUtils]: Spent 869.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-02-23 23:50:59,496 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-02-23 23:51:00,373 WARN L202 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-02-23 23:51:03,062 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:51:03,955 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-02-23 23:51:04,750 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:51:07,432 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:51:08,318 WARN L202 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-02-23 23:51:11,004 WARN L202 SmtUtils]: Spent 2.68 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:51:11,950 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 69 [2021-02-23 23:51:12,869 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-02-23 23:51:13,831 WARN L202 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:51:16,398 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:51:19,111 WARN L202 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:51:21,825 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:51:22,786 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 68 [2021-02-23 23:51:25,365 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:51:26,309 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:51:28,882 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:51:31,446 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:51:34,018 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:51:35,257 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:51:36,497 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:51:37,736 WARN L202 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:51:40,313 WARN L202 SmtUtils]: Spent 2.57 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:51:41,557 WARN L202 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:51:42,516 WARN L202 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:51:45,086 WARN L202 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:51:46,033 WARN L202 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:51:46,840 WARN L202 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:51:47,720 WARN L202 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 67 [2021-02-23 23:51:48,629 WARN L202 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 62 [2021-02-23 23:51:49,585 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:51:50,910 WARN L202 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 153 DAG size of output: 76 [2021-02-23 23:51:51,878 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:51:54,465 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:51:55,548 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 157 DAG size of output: 67 [2021-02-23 23:51:56,515 WARN L202 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:51:59,102 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:52:01,695 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:52:04,294 WARN L202 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:52:05,243 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:52:06,108 WARN L202 SmtUtils]: Spent 862.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:52:14,593 WARN L202 SmtUtils]: Spent 8.44 s on a formula simplification. DAG size of input: 241 DAG size of output: 134 [2021-02-23 23:52:23,458 WARN L202 SmtUtils]: Spent 8.85 s on a formula simplification. DAG size of input: 241 DAG size of output: 134 [2021-02-23 23:52:24,746 WARN L202 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2021-02-23 23:52:25,640 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-02-23 23:52:26,616 WARN L202 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 71 [2021-02-23 23:52:29,385 WARN L202 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:52:32,165 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:52:33,105 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-02-23 23:52:35,877 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:52:38,653 WARN L202 SmtUtils]: Spent 2.77 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:52:39,613 WARN L202 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 67 [2021-02-23 23:52:40,582 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 67 [2021-02-23 23:52:41,413 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:52:42,248 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:52:43,083 WARN L202 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:52:43,918 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:52:44,755 WARN L202 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:52:45,592 WARN L202 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:52:46,560 WARN L202 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-02-23 23:52:49,346 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:52:50,434 WARN L202 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 153 DAG size of output: 66 [2021-02-23 23:52:53,226 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:52:54,147 WARN L202 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 68 [2021-02-23 23:52:56,948 WARN L202 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:52:59,732 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:53:00,671 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-02-23 23:53:01,640 WARN L202 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 67 [2021-02-23 23:53:02,685 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 149 DAG size of output: 70 [2021-02-23 23:53:03,520 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:04,501 WARN L202 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:53:05,794 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:53:08,449 WARN L202 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:53:09,740 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 145 DAG size of output: 70 [2021-02-23 23:53:12,411 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:53:15,083 WARN L202 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 191 DAG size of output: 83 [2021-02-23 23:53:16,096 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2021-02-23 23:53:17,032 WARN L202 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 70 [2021-02-23 23:53:19,832 WARN L202 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:53:20,825 WARN L202 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 68 [2021-02-23 23:53:21,929 WARN L202 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 153 DAG size of output: 73 [2021-02-23 23:53:22,932 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-02-23 23:53:23,781 WARN L202 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:24,790 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 152 DAG size of output: 67 [2021-02-23 23:53:27,620 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:53:28,468 WARN L202 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:29,318 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:32,152 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:53:34,983 WARN L202 SmtUtils]: Spent 2.82 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:53:37,815 WARN L202 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:53:38,822 WARN L202 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 152 DAG size of output: 68 [2021-02-23 23:53:39,842 WARN L202 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2021-02-23 23:53:40,860 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-02-23 23:53:41,712 WARN L202 SmtUtils]: Spent 848.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:42,972 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 157 DAG size of output: 70 [2021-02-23 23:53:43,867 WARN L202 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:45,333 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 153 DAG size of output: 79 [2021-02-23 23:53:46,182 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:47,037 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:48,069 WARN L202 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 104 DAG size of output: 70 [2021-02-23 23:53:48,923 WARN L202 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:49,881 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 72 [2021-02-23 23:53:50,735 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:51,588 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:53:54,280 WARN L202 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:53:56,997 WARN L202 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:53:58,331 WARN L202 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 158 DAG size of output: 69 [2021-02-23 23:54:01,029 WARN L202 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:54:01,889 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:02,753 WARN L202 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:03,730 WARN L202 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 64 [2021-02-23 23:54:04,713 WARN L202 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 67 [2021-02-23 23:54:05,922 WARN L202 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 153 DAG size of output: 70 [2021-02-23 23:54:06,973 WARN L202 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 155 DAG size of output: 68 [2021-02-23 23:54:07,835 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:08,694 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:11,559 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:54:12,562 WARN L202 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2021-02-23 23:54:13,534 WARN L202 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69 [2021-02-23 23:54:14,678 WARN L202 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 154 DAG size of output: 73 [2021-02-23 23:54:15,542 WARN L202 SmtUtils]: Spent 859.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:16,904 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 152 DAG size of output: 78 [2021-02-23 23:54:17,871 WARN L202 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 69 [2021-02-23 23:54:18,731 WARN L202 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:21,595 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:54:24,460 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:54:25,329 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:26,697 WARN L202 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 152 DAG size of output: 78 [2021-02-23 23:54:27,560 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:28,578 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 103 DAG size of output: 70 [2021-02-23 23:54:29,447 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:30,410 WARN L202 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-02-23 23:54:31,279 WARN L202 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:32,298 WARN L202 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 144 DAG size of output: 67 [2021-02-23 23:54:35,037 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:54:37,770 WARN L202 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 190 DAG size of output: 83 [2021-02-23 23:54:38,819 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 114 DAG size of output: 70 [2021-02-23 23:54:41,718 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:54:42,593 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 55 [2021-02-23 23:54:43,514 WARN L202 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:54:44,434 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 63 [2021-02-23 23:54:45,584 WARN L202 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 111 DAG size of output: 72 [2021-02-23 23:54:48,486 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:54:49,410 WARN L202 SmtUtils]: Spent 921.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:54:52,301 WARN L202 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:54:55,204 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:54:56,250 WARN L202 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 100 DAG size of output: 67 [2021-02-23 23:54:57,178 WARN L202 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:55:00,086 WARN L202 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:55:03,016 WARN L202 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:55:04,115 WARN L202 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 111 DAG size of output: 74 [2021-02-23 23:55:05,087 WARN L202 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-02-23 23:55:06,161 WARN L202 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 155 DAG size of output: 68 [2021-02-23 23:55:09,094 WARN L202 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 191 DAG size of output: 85 [2021-02-23 23:55:10,103 WARN L202 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 69