/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.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/Problem14_label38.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 23:00:33,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 23:00:33,894 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 23:00:33,926 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 23:00:33,926 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 23:00:33,927 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 23:00:33,929 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 23:00:33,931 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 23:00:33,933 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 23:00:33,934 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 23:00:33,935 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 23:00:33,936 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 23:00:33,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 23:00:33,938 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 23:00:33,939 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 23:00:33,940 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 23:00:33,941 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 23:00:33,942 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 23:00:33,944 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 23:00:33,946 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 23:00:33,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 23:00:33,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 23:00:33,950 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 23:00:33,951 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 23:00:33,954 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 23:00:33,954 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 23:00:33,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 23:00:33,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 23:00:33,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 23:00:33,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 23:00:33,958 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 23:00:33,959 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 23:00:33,959 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 23:00:33,960 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 23:00:33,962 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 23:00:33,962 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 23:00:33,963 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 23:00:33,963 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 23:00:33,963 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 23:00:33,964 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 23:00:33,966 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 23:00:33,968 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 23:00:33,987 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 23:00:33,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 23:00:33,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 23:00:33,990 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 23:00:33,991 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 23:00:33,991 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 23:00:33,991 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 23:00:33,992 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 23:00:33,992 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 23:00:33,992 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 23:00:33,993 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 23:00:33,993 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 23:00:33,994 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 23:00:33,994 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 23:00:33,994 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 23:00:33,994 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 23:00:33,995 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 23:00:33,995 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 23:00:33,995 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 23:00:33,995 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 23:00:33,995 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 23:00:33,996 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 23:00:33,996 INFO L138 SettingsManager]: * Use separate solver for trace checks=false 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 [2020-09-04 23:00:34,439 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 23:00:34,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 23:00:34,461 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 23:00:34,463 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 23:00:34,463 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 23:00:34,465 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-09-04 23:00:34,555 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72ad2ae04/fcd2f3e76ced4794a0b5e6461b52ebc3/FLAG93f1b608f [2020-09-04 23:00:35,231 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 23:00:35,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/eca-rers2012/Problem14_label38.c [2020-09-04 23:00:35,264 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72ad2ae04/fcd2f3e76ced4794a0b5e6461b52ebc3/FLAG93f1b608f [2020-09-04 23:00:35,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/72ad2ae04/fcd2f3e76ced4794a0b5e6461b52ebc3 [2020-09-04 23:00:35,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 23:00:35,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 23:00:35,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 23:00:35,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 23:00:35,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 23:00:35,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:00:35" (1/1) ... [2020-09-04 23:00:35,451 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b9ac829 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:35, skipping insertion in model container [2020-09-04 23:00:35,452 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 11:00:35" (1/1) ... [2020-09-04 23:00:35,461 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 23:00:35,543 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 23:00:36,097 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:00:36,104 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 23:00:36,377 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 23:00:36,403 INFO L208 MainTranslator]: Completed translation [2020-09-04 23:00:36,404 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36 WrapperNode [2020-09-04 23:00:36,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 23:00:36,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 23:00:36,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 23:00:36,407 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 23:00:36,432 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36" (1/1) ... [2020-09-04 23:00:36,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36" (1/1) ... [2020-09-04 23:00:36,471 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36" (1/1) ... [2020-09-04 23:00:36,472 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36" (1/1) ... [2020-09-04 23:00:36,544 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36" (1/1) ... [2020-09-04 23:00:36,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36" (1/1) ... [2020-09-04 23:00:36,583 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36" (1/1) ... [2020-09-04 23:00:36,597 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 23:00:36,598 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 23:00:36,598 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 23:00:36,598 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 23:00:36,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-04 23:00:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 23:00:36,690 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 23:00:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2020-09-04 23:00:36,691 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 23:00:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2020-09-04 23:00:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 23:00:36,691 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 23:00:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2020-09-04 23:00:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 23:00:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 23:00:36,692 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 23:00:38,477 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 23:00:38,478 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-04 23:00:38,488 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:00:38 BoogieIcfgContainer [2020-09-04 23:00:38,488 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 23:00:38,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 23:00:38,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 23:00:38,494 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 23:00:38,494 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 11:00:35" (1/3) ... [2020-09-04 23:00:38,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728cd5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:00:38, skipping insertion in model container [2020-09-04 23:00:38,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 11:00:36" (2/3) ... [2020-09-04 23:00:38,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@728cd5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 11:00:38, skipping insertion in model container [2020-09-04 23:00:38,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 11:00:38" (3/3) ... [2020-09-04 23:00:38,502 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label38.c [2020-09-04 23:00:38,514 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 23:00:38,533 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 23:00:38,557 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 23:00:38,589 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 23:00:38,589 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 23:00:38,589 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 23:00:38,589 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 23:00:38,590 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 23:00:38,590 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 23:00:38,590 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 23:00:38,590 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 23:00:38,619 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states. [2020-09-04 23:00:38,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2020-09-04 23:00:38,637 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:00:38,638 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] [2020-09-04 23:00:38,639 INFO L427 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:00:38,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:00:38,650 INFO L82 PathProgramCache]: Analyzing trace with hash -496136462, now seen corresponding path program 1 times [2020-09-04 23:00:38,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:00:38,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [135331124] [2020-09-04 23:00:38,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:00:38,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:39,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:00:39,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:39,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 23:00:39,070 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [135331124] [2020-09-04 23:00:39,072 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:00:39,073 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 23:00:39,074 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243820165] [2020-09-04 23:00:39,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 23:00:39,082 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:00:39,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 23:00:39,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 23:00:39,104 INFO L87 Difference]: Start difference. First operand 678 states. Second operand 5 states. [2020-09-04 23:00:42,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:00:42,998 INFO L93 Difference]: Finished difference Result 1766 states and 2493 transitions. [2020-09-04 23:00:43,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 23:00:43,002 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2020-09-04 23:00:43,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:00:43,039 INFO L225 Difference]: With dead ends: 1766 [2020-09-04 23:00:43,039 INFO L226 Difference]: Without dead ends: 1025 [2020-09-04 23:00:43,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 23:00:43,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2020-09-04 23:00:43,235 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 995. [2020-09-04 23:00:43,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 995 states. [2020-09-04 23:00:43,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 995 states to 995 states and 1343 transitions. [2020-09-04 23:00:43,246 INFO L78 Accepts]: Start accepts. Automaton has 995 states and 1343 transitions. Word has length 69 [2020-09-04 23:00:43,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:00:43,247 INFO L479 AbstractCegarLoop]: Abstraction has 995 states and 1343 transitions. [2020-09-04 23:00:43,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 23:00:43,247 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1343 transitions. [2020-09-04 23:00:43,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-09-04 23:00:43,258 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:00:43,258 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 23:00:43,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 23:00:43,259 INFO L427 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:00:43,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:00:43,260 INFO L82 PathProgramCache]: Analyzing trace with hash -1110466945, now seen corresponding path program 1 times [2020-09-04 23:00:43,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:00:43,260 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [722901075] [2020-09-04 23:00:43,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:00:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:43,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:00:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:43,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:00:43,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 23:00:43,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [722901075] [2020-09-04 23:00:43,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:00:43,723 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 23:00:43,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673731274] [2020-09-04 23:00:43,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 23:00:43,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:00:43,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 23:00:43,729 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-09-04 23:00:43,729 INFO L87 Difference]: Start difference. First operand 995 states and 1343 transitions. Second operand 8 states. [2020-09-04 23:00:47,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:00:47,255 INFO L93 Difference]: Finished difference Result 2228 states and 3074 transitions. [2020-09-04 23:00:47,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-04 23:00:47,256 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-09-04 23:00:47,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:00:47,273 INFO L225 Difference]: With dead ends: 2228 [2020-09-04 23:00:47,274 INFO L226 Difference]: Without dead ends: 1248 [2020-09-04 23:00:47,281 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2020-09-04 23:00:47,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2020-09-04 23:00:47,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1001. [2020-09-04 23:00:47,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1001 states. [2020-09-04 23:00:47,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 1001 states and 1253 transitions. [2020-09-04 23:00:47,433 INFO L78 Accepts]: Start accepts. Automaton has 1001 states and 1253 transitions. Word has length 153 [2020-09-04 23:00:47,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:00:47,436 INFO L479 AbstractCegarLoop]: Abstraction has 1001 states and 1253 transitions. [2020-09-04 23:00:47,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 23:00:47,436 INFO L276 IsEmpty]: Start isEmpty. Operand 1001 states and 1253 transitions. [2020-09-04 23:00:47,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2020-09-04 23:00:47,447 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:00:47,448 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 23:00:47,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 23:00:47,448 INFO L427 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:00:47,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:00:47,449 INFO L82 PathProgramCache]: Analyzing trace with hash -2042415941, now seen corresponding path program 1 times [2020-09-04 23:00:47,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:00:47,450 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1236107428] [2020-09-04 23:00:47,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:00:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:47,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:00:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:47,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:00:47,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:47,847 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 23:00:47,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1236107428] [2020-09-04 23:00:47,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 23:00:47,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-09-04 23:00:47,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1569139758] [2020-09-04 23:00:47,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 23:00:47,850 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:00:47,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 23:00:47,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 23:00:47,851 INFO L87 Difference]: Start difference. First operand 1001 states and 1253 transitions. Second operand 9 states. [2020-09-04 23:00:52,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:00:52,665 INFO L93 Difference]: Finished difference Result 2437 states and 3097 transitions. [2020-09-04 23:00:52,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-04 23:00:52,669 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 163 [2020-09-04 23:00:52,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:00:52,690 INFO L225 Difference]: With dead ends: 2437 [2020-09-04 23:00:52,692 INFO L226 Difference]: Without dead ends: 1451 [2020-09-04 23:00:52,697 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=85, Invalid=221, Unknown=0, NotChecked=0, Total=306 [2020-09-04 23:00:52,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1451 states. [2020-09-04 23:00:52,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1451 to 1194. [2020-09-04 23:00:52,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-09-04 23:00:52,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1467 transitions. [2020-09-04 23:00:52,827 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1467 transitions. Word has length 163 [2020-09-04 23:00:52,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:00:52,828 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1467 transitions. [2020-09-04 23:00:52,828 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 23:00:52,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1467 transitions. [2020-09-04 23:00:52,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2020-09-04 23:00:52,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:00:52,833 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2020-09-04 23:00:52,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 23:00:52,834 INFO L427 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:00:52,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:00:52,834 INFO L82 PathProgramCache]: Analyzing trace with hash 452640985, now seen corresponding path program 1 times [2020-09-04 23:00:52,835 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:00:52,835 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [89359914] [2020-09-04 23:00:52,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:00:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:52,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:00:52,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:53,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:00:53,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:53,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 23:00:53,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:53,298 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 106 proven. 68 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-04 23:00:53,299 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [89359914] [2020-09-04 23:00:53,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:00:53,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-09-04 23:00:53,300 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883124733] [2020-09-04 23:00:53,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-09-04 23:00:53,301 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:00:53,301 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-09-04 23:00:53,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2020-09-04 23:00:53,302 INFO L87 Difference]: Start difference. First operand 1194 states and 1467 transitions. Second operand 9 states. [2020-09-04 23:00:58,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:00:58,247 INFO L93 Difference]: Finished difference Result 2478 states and 3100 transitions. [2020-09-04 23:00:58,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-09-04 23:00:58,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 246 [2020-09-04 23:00:58,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:00:58,261 INFO L225 Difference]: With dead ends: 2478 [2020-09-04 23:00:58,261 INFO L226 Difference]: Without dead ends: 1490 [2020-09-04 23:00:58,266 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-09-04 23:00:58,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2020-09-04 23:00:58,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1435. [2020-09-04 23:00:58,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1435 states. [2020-09-04 23:00:58,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1736 transitions. [2020-09-04 23:00:58,463 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1736 transitions. Word has length 246 [2020-09-04 23:00:58,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:00:58,463 INFO L479 AbstractCegarLoop]: Abstraction has 1435 states and 1736 transitions. [2020-09-04 23:00:58,463 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-09-04 23:00:58,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1736 transitions. [2020-09-04 23:00:58,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2020-09-04 23:00:58,468 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:00:58,469 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 23:00:58,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 23:00:58,469 INFO L427 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:00:58,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:00:58,470 INFO L82 PathProgramCache]: Analyzing trace with hash -144439824, now seen corresponding path program 1 times [2020-09-04 23:00:58,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:00:58,470 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949467519] [2020-09-04 23:00:58,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:00:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:58,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:00:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:58,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:00:58,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-09-04 23:00:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:00:59,102 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 142 proven. 52 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 23:00:59,102 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949467519] [2020-09-04 23:00:59,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:00:59,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-09-04 23:00:59,103 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440979800] [2020-09-04 23:00:59,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 23:00:59,104 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:00:59,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 23:00:59,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-09-04 23:00:59,105 INFO L87 Difference]: Start difference. First operand 1435 states and 1736 transitions. Second operand 11 states. [2020-09-04 23:01:04,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:01:04,895 INFO L93 Difference]: Finished difference Result 3479 states and 4213 transitions. [2020-09-04 23:01:04,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 23:01:04,896 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 256 [2020-09-04 23:01:04,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:01:04,913 INFO L225 Difference]: With dead ends: 3479 [2020-09-04 23:01:04,914 INFO L226 Difference]: Without dead ends: 2102 [2020-09-04 23:01:04,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=162, Invalid=488, Unknown=0, NotChecked=0, Total=650 [2020-09-04 23:01:04,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2102 states. [2020-09-04 23:01:05,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2102 to 1841. [2020-09-04 23:01:05,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1841 states. [2020-09-04 23:01:05,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1841 states to 1841 states and 2165 transitions. [2020-09-04 23:01:05,153 INFO L78 Accepts]: Start accepts. Automaton has 1841 states and 2165 transitions. Word has length 256 [2020-09-04 23:01:05,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:01:05,154 INFO L479 AbstractCegarLoop]: Abstraction has 1841 states and 2165 transitions. [2020-09-04 23:01:05,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 23:01:05,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1841 states and 2165 transitions. [2020-09-04 23:01:05,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-04 23:01:05,159 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:01:05,160 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 23:01:05,160 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 23:01:05,160 INFO L427 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:01:05,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:01:05,161 INFO L82 PathProgramCache]: Analyzing trace with hash -413630622, now seen corresponding path program 1 times [2020-09-04 23:01:05,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:01:05,161 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945321944] [2020-09-04 23:01:05,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:01:05,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:05,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:01:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:05,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:01:05,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:05,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 23:01:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:05,739 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 135 proven. 59 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-09-04 23:01:05,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945321944] [2020-09-04 23:01:05,741 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:01:05,742 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-09-04 23:01:05,742 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366098822] [2020-09-04 23:01:05,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 23:01:05,746 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:01:05,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 23:01:05,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-09-04 23:01:05,752 INFO L87 Difference]: Start difference. First operand 1841 states and 2165 transitions. Second operand 10 states. [2020-09-04 23:01:14,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:01:14,560 INFO L93 Difference]: Finished difference Result 5966 states and 7467 transitions. [2020-09-04 23:01:14,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-09-04 23:01:14,561 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 281 [2020-09-04 23:01:14,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:01:14,590 INFO L225 Difference]: With dead ends: 5966 [2020-09-04 23:01:14,591 INFO L226 Difference]: Without dead ends: 4331 [2020-09-04 23:01:14,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 13 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 212 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=210, Invalid=782, Unknown=0, NotChecked=0, Total=992 [2020-09-04 23:01:14,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4331 states. [2020-09-04 23:01:15,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4331 to 3828. [2020-09-04 23:01:15,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3828 states. [2020-09-04 23:01:15,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3828 states to 3828 states and 4542 transitions. [2020-09-04 23:01:15,079 INFO L78 Accepts]: Start accepts. Automaton has 3828 states and 4542 transitions. Word has length 281 [2020-09-04 23:01:15,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:01:15,080 INFO L479 AbstractCegarLoop]: Abstraction has 3828 states and 4542 transitions. [2020-09-04 23:01:15,080 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 23:01:15,080 INFO L276 IsEmpty]: Start isEmpty. Operand 3828 states and 4542 transitions. [2020-09-04 23:01:15,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 678 [2020-09-04 23:01:15,102 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:01:15,103 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2020-09-04 23:01:15,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 23:01:15,103 INFO L427 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:01:15,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:01:15,104 INFO L82 PathProgramCache]: Analyzing trace with hash 1701663168, now seen corresponding path program 1 times [2020-09-04 23:01:15,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:01:15,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191812556] [2020-09-04 23:01:15,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:01:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:15,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:01:15,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:15,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:01:15,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:15,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 23:01:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:15,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 23:01:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:15,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-04 23:01:15,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:15,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-09-04 23:01:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:16,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1352 backedges. 785 proven. 275 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-09-04 23:01:16,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191812556] [2020-09-04 23:01:16,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:01:16,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-09-04 23:01:16,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1345670534] [2020-09-04 23:01:16,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 23:01:16,834 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:01:16,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 23:01:16,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2020-09-04 23:01:16,835 INFO L87 Difference]: Start difference. First operand 3828 states and 4542 transitions. Second operand 13 states. [2020-09-04 23:01:24,275 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:01:24,275 INFO L93 Difference]: Finished difference Result 9191 states and 11371 transitions. [2020-09-04 23:01:24,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 23:01:24,276 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 677 [2020-09-04 23:01:24,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:01:24,321 INFO L225 Difference]: With dead ends: 9191 [2020-09-04 23:01:24,321 INFO L226 Difference]: Without dead ends: 5684 [2020-09-04 23:01:24,339 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=146, Invalid=504, Unknown=0, NotChecked=0, Total=650 [2020-09-04 23:01:24,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5684 states. [2020-09-04 23:01:25,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5684 to 5602. [2020-09-04 23:01:25,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5602 states. [2020-09-04 23:01:25,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5602 states to 5602 states and 6893 transitions. [2020-09-04 23:01:25,217 INFO L78 Accepts]: Start accepts. Automaton has 5602 states and 6893 transitions. Word has length 677 [2020-09-04 23:01:25,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:01:25,218 INFO L479 AbstractCegarLoop]: Abstraction has 5602 states and 6893 transitions. [2020-09-04 23:01:25,218 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 23:01:25,218 INFO L276 IsEmpty]: Start isEmpty. Operand 5602 states and 6893 transitions. [2020-09-04 23:01:25,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 692 [2020-09-04 23:01:25,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:01:25,234 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 23:01:25,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 23:01:25,235 INFO L427 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:01:25,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:01:25,235 INFO L82 PathProgramCache]: Analyzing trace with hash 912169590, now seen corresponding path program 1 times [2020-09-04 23:01:25,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:01:25,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [341934562] [2020-09-04 23:01:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:01:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:25,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:01:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:25,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:01:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:25,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 23:01:25,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:25,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 23:01:25,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:25,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-09-04 23:01:25,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:25,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-09-04 23:01:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:25,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-09-04 23:01:25,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 1645 backedges. 535 proven. 206 refuted. 0 times theorem prover too weak. 904 trivial. 0 not checked. [2020-09-04 23:01:26,057 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [341934562] [2020-09-04 23:01:26,057 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:01:26,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-09-04 23:01:26,058 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473832733] [2020-09-04 23:01:26,059 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 23:01:26,059 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:01:26,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 23:01:26,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-09-04 23:01:26,060 INFO L87 Difference]: Start difference. First operand 5602 states and 6893 transitions. Second operand 7 states. [2020-09-04 23:01:30,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:01:30,424 INFO L93 Difference]: Finished difference Result 12136 states and 15208 transitions. [2020-09-04 23:01:30,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 23:01:30,425 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 691 [2020-09-04 23:01:30,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:01:30,473 INFO L225 Difference]: With dead ends: 12136 [2020-09-04 23:01:30,473 INFO L226 Difference]: Without dead ends: 6931 [2020-09-04 23:01:30,496 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-09-04 23:01:30,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6931 states. [2020-09-04 23:01:31,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6931 to 6707. [2020-09-04 23:01:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6707 states. [2020-09-04 23:01:31,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6707 states to 6707 states and 8222 transitions. [2020-09-04 23:01:31,633 INFO L78 Accepts]: Start accepts. Automaton has 6707 states and 8222 transitions. Word has length 691 [2020-09-04 23:01:31,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:01:31,634 INFO L479 AbstractCegarLoop]: Abstraction has 6707 states and 8222 transitions. [2020-09-04 23:01:31,634 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 23:01:31,634 INFO L276 IsEmpty]: Start isEmpty. Operand 6707 states and 8222 transitions. [2020-09-04 23:01:31,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 834 [2020-09-04 23:01:31,655 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:01:31,656 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 23:01:31,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 23:01:31,656 INFO L427 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:01:31,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:01:31,657 INFO L82 PathProgramCache]: Analyzing trace with hash 792464542, now seen corresponding path program 1 times [2020-09-04 23:01:31,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:01:31,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409202889] [2020-09-04 23:01:31,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:01:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:31,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:01:31,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:31,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:01:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:31,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 23:01:31,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:32,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 23:01:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:32,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2020-09-04 23:01:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:32,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 23:01:32,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:32,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2020-09-04 23:01:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:33,221 INFO L134 CoverageAnalysis]: Checked inductivity of 2031 backedges. 859 proven. 508 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2020-09-04 23:01:33,221 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409202889] [2020-09-04 23:01:33,221 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:01:33,222 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-04 23:01:33,222 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679019076] [2020-09-04 23:01:33,223 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 23:01:33,223 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:01:33,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 23:01:33,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-09-04 23:01:33,225 INFO L87 Difference]: Start difference. First operand 6707 states and 8222 transitions. Second operand 15 states. [2020-09-04 23:01:41,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:01:41,256 INFO L93 Difference]: Finished difference Result 13806 states and 16936 transitions. [2020-09-04 23:01:41,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 23:01:41,257 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 833 [2020-09-04 23:01:41,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:01:41,292 INFO L225 Difference]: With dead ends: 13806 [2020-09-04 23:01:41,292 INFO L226 Difference]: Without dead ends: 7425 [2020-09-04 23:01:41,310 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2020-09-04 23:01:41,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7425 states. [2020-09-04 23:01:42,150 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7425 to 6582. [2020-09-04 23:01:42,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6582 states. [2020-09-04 23:01:42,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6582 states to 6582 states and 8044 transitions. [2020-09-04 23:01:42,160 INFO L78 Accepts]: Start accepts. Automaton has 6582 states and 8044 transitions. Word has length 833 [2020-09-04 23:01:42,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:01:42,161 INFO L479 AbstractCegarLoop]: Abstraction has 6582 states and 8044 transitions. [2020-09-04 23:01:42,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 23:01:42,161 INFO L276 IsEmpty]: Start isEmpty. Operand 6582 states and 8044 transitions. [2020-09-04 23:01:42,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 849 [2020-09-04 23:01:42,178 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:01:42,179 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 23:01:42,179 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 23:01:42,179 INFO L427 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:01:42,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:01:42,180 INFO L82 PathProgramCache]: Analyzing trace with hash -434183850, now seen corresponding path program 1 times [2020-09-04 23:01:42,180 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:01:42,180 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391342526] [2020-09-04 23:01:42,181 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:01:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:42,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:01:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:01:42,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:42,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 23:01:42,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:42,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 23:01:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:42,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-09-04 23:01:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:42,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 23:01:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:42,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 648 [2020-09-04 23:01:42,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:43,111 INFO L134 CoverageAnalysis]: Checked inductivity of 2096 backedges. 337 proven. 6 refuted. 0 times theorem prover too weak. 1753 trivial. 0 not checked. [2020-09-04 23:01:43,112 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391342526] [2020-09-04 23:01:43,112 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:01:43,112 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-09-04 23:01:43,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740722068] [2020-09-04 23:01:43,113 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 23:01:43,113 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:01:43,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 23:01:43,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 23:01:43,114 INFO L87 Difference]: Start difference. First operand 6582 states and 8044 transitions. Second operand 5 states. [2020-09-04 23:01:47,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:01:47,418 INFO L93 Difference]: Finished difference Result 15339 states and 19151 transitions. [2020-09-04 23:01:47,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-04 23:01:47,419 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 848 [2020-09-04 23:01:47,420 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:01:47,461 INFO L225 Difference]: With dead ends: 15339 [2020-09-04 23:01:47,461 INFO L226 Difference]: Without dead ends: 9154 [2020-09-04 23:01:47,482 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-09-04 23:01:47,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9154 states. [2020-09-04 23:01:48,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9154 to 8305. [2020-09-04 23:01:48,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8305 states. [2020-09-04 23:01:48,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8305 states to 8305 states and 9992 transitions. [2020-09-04 23:01:48,505 INFO L78 Accepts]: Start accepts. Automaton has 8305 states and 9992 transitions. Word has length 848 [2020-09-04 23:01:48,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:01:48,506 INFO L479 AbstractCegarLoop]: Abstraction has 8305 states and 9992 transitions. [2020-09-04 23:01:48,506 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 23:01:48,506 INFO L276 IsEmpty]: Start isEmpty. Operand 8305 states and 9992 transitions. [2020-09-04 23:01:48,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 908 [2020-09-04 23:01:48,524 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:01:48,525 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 23:01:48,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 23:01:48,525 INFO L427 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:01:48,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:01:48,526 INFO L82 PathProgramCache]: Analyzing trace with hash -184702077, now seen corresponding path program 1 times [2020-09-04 23:01:48,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:01:48,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1085829116] [2020-09-04 23:01:48,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:01:48,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:48,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:01:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:48,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:01:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:48,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 23:01:48,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:48,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 23:01:48,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2020-09-04 23:01:49,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:49,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-09-04 23:01:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:49,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 671 [2020-09-04 23:01:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 2133 backedges. 878 proven. 591 refuted. 0 times theorem prover too weak. 664 trivial. 0 not checked. [2020-09-04 23:01:50,452 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1085829116] [2020-09-04 23:01:50,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:01:50,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-04 23:01:50,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241892179] [2020-09-04 23:01:50,454 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 23:01:50,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:01:50,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 23:01:50,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2020-09-04 23:01:50,455 INFO L87 Difference]: Start difference. First operand 8305 states and 9992 transitions. Second operand 15 states. [2020-09-04 23:01:58,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:01:58,147 INFO L93 Difference]: Finished difference Result 16719 states and 20157 transitions. [2020-09-04 23:01:58,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 23:01:58,147 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 907 [2020-09-04 23:01:58,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:01:58,189 INFO L225 Difference]: With dead ends: 16719 [2020-09-04 23:01:58,190 INFO L226 Difference]: Without dead ends: 8744 [2020-09-04 23:01:58,208 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=221, Invalid=771, Unknown=0, NotChecked=0, Total=992 [2020-09-04 23:01:58,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8744 states. [2020-09-04 23:01:59,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8744 to 8283. [2020-09-04 23:01:59,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8283 states. [2020-09-04 23:01:59,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8283 states to 8283 states and 9956 transitions. [2020-09-04 23:01:59,452 INFO L78 Accepts]: Start accepts. Automaton has 8283 states and 9956 transitions. Word has length 907 [2020-09-04 23:01:59,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:01:59,453 INFO L479 AbstractCegarLoop]: Abstraction has 8283 states and 9956 transitions. [2020-09-04 23:01:59,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 23:01:59,453 INFO L276 IsEmpty]: Start isEmpty. Operand 8283 states and 9956 transitions. [2020-09-04 23:01:59,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 910 [2020-09-04 23:01:59,475 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 23:01:59,475 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 23:01:59,476 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 23:01:59,476 INFO L427 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 23:01:59,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 23:01:59,477 INFO L82 PathProgramCache]: Analyzing trace with hash 970560772, now seen corresponding path program 1 times [2020-09-04 23:01:59,477 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 23:01:59,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [30653011] [2020-09-04 23:01:59,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 23:01:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:59,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 23:01:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:01:59,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2020-09-04 23:01:59,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:02:00,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 23:02:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:02:00,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 257 [2020-09-04 23:02:00,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:02:00,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 382 [2020-09-04 23:02:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:02:00,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-09-04 23:02:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:02:00,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 673 [2020-09-04 23:02:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 23:02:00,518 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 332 proven. 66 refuted. 0 times theorem prover too weak. 1724 trivial. 0 not checked. [2020-09-04 23:02:00,518 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [30653011] [2020-09-04 23:02:00,518 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 23:02:00,518 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-09-04 23:02:00,519 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2126828285] [2020-09-04 23:02:00,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 23:02:00,520 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 23:02:00,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 23:02:00,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 23:02:00,520 INFO L87 Difference]: Start difference. First operand 8283 states and 9956 transitions. Second operand 8 states. [2020-09-04 23:02:10,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 23:02:10,102 INFO L93 Difference]: Finished difference Result 21331 states and 26408 transitions. [2020-09-04 23:02:10,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 23:02:10,103 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 909 [2020-09-04 23:02:10,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 23:02:10,118 INFO L225 Difference]: With dead ends: 21331 [2020-09-04 23:02:10,118 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 23:02:10,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=72, Invalid=168, Unknown=0, NotChecked=0, Total=240 [2020-09-04 23:02:10,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 23:02:10,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 23:02:10,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 23:02:10,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 23:02:10,302 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 909 [2020-09-04 23:02:10,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 23:02:10,302 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 23:02:10,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 23:02:10,302 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 23:02:10,302 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 23:02:10,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 23:02:10,305 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 23:02:14,849 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 23:02:16,470 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 23:02:21,901 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 23:02:32,400 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2020-09-04 23:02:34,214 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 23:02:34,358 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:02:34,519 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:02:34,659 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 23:02:34,807 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-09-04 23:02:34,954 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:02:35,174 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:02:35,324 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:02:35,476 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:02:35,675 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:02:35,911 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:02:36,057 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-09-04 23:03:21,561 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 55 [2020-09-04 23:03:23,117 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 23:04:05,499 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 23:04:05,629 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:04:05,766 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:04:05,894 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 23:04:06,025 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:06,156 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:04:06,283 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 23:04:06,415 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:04:06,546 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-09-04 23:04:06,686 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:04:06,825 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-09-04 23:04:06,984 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:04:07,114 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:04:07,255 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:04:07,388 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:04:07,516 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:14,313 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 60 [2020-09-04 23:04:27,910 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:04:28,118 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:04:28,242 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:04:28,362 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:04:28,557 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:04:28,739 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:04:29,147 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:04:29,354 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:04:29,476 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:04:29,774 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:04:29,902 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:04:30,034 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:04:30,157 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:04:30,282 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:04:30,413 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:04:30,704 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:04:30,834 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:04:30,959 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:04:31,171 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:04:31,377 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:04:44,672 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:44,846 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:45,025 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:45,211 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:45,390 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:45,563 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:45,736 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:45,909 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:46,090 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:46,271 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:46,451 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:46,623 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:46,807 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:46,990 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:47,162 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:47,344 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:47,528 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:47,707 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:47,888 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:48,077 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 23:04:48,264 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 23:04:48,446 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:48,630 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 23:04:48,807 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:48,987 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:49,172 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:49,355 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:49,540 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:49,723 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 23:04:49,908 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 23:04:50,086 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:04:50,268 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:50,455 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 86 [2020-09-04 23:04:50,637 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:04:50,817 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 84 [2020-09-04 23:05:06,643 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2020-09-04 23:06:14,649 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 23:06:14,794 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:06:14,943 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:06:15,083 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2020-09-04 23:06:15,232 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-09-04 23:06:15,378 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:06:15,597 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:06:15,748 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:06:15,900 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:06:16,074 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:06:16,307 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 82 [2020-09-04 23:06:16,452 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 85 [2020-09-04 23:06:35,683 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 23:07:04,442 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 45 [2020-09-04 23:08:08,851 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 58 [2020-09-04 23:08:19,783 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 23:08:19,913 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:08:20,047 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:08:20,176 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 23:08:20,307 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:08:20,440 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:08:20,566 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 80 [2020-09-04 23:08:20,698 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:08:20,830 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-09-04 23:08:20,965 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:08:21,108 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 82 [2020-09-04 23:08:21,266 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:08:21,397 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:08:21,539 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:08:21,672 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 81 [2020-09-04 23:08:21,799 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2020-09-04 23:08:37,392 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 23:08:37,531 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:37,669 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:37,797 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 23:08:37,916 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-09-04 23:08:38,057 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:38,183 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 23:08:38,318 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:38,452 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:38,590 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:38,729 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:38,891 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:39,025 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:39,227 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:39,369 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:08:39,475 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-09-04 23:08:55,909 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:08:56,117 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:08:56,243 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:08:56,362 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:08:56,558 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:08:56,739 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:08:57,151 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:08:57,358 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:08:57,480 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:08:57,778 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:08:57,907 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:08:58,038 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:08:58,161 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:08:58,286 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:08:58,417 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:08:58,715 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:08:58,846 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:08:58,970 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 73 [2020-09-04 23:08:59,181 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2020-09-04 23:08:59,388 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 74 [2020-09-04 23:09:21,292 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 23:09:40,557 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 147 [2020-09-04 23:09:40,837 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 141 [2020-09-04 23:09:41,042 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 135 [2020-09-04 23:09:41,253 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 139 [2020-09-04 23:09:41,587 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 147 [2020-09-04 23:09:41,825 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2020-09-04 23:09:41,950 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 106 [2020-09-04 23:09:42,584 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 151 [2020-09-04 23:09:42,800 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2020-09-04 23:09:43,036 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 135 [2020-09-04 23:09:43,221 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-09-04 23:09:43,536 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 152 [2020-09-04 23:09:43,787 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 126 [2020-09-04 23:09:44,203 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 160 [2020-09-04 23:09:44,485 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2020-09-04 23:09:44,739 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 113 [2020-09-04 23:09:44,970 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 135 [2020-09-04 23:09:45,160 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 139 [2020-09-04 23:09:45,837 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-09-04 23:09:46,507 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 180 [2020-09-04 23:09:46,649 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2020-09-04 23:09:46,981 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2020-09-04 23:09:47,411 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 151 [2020-09-04 23:09:47,882 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 152 [2020-09-04 23:09:48,159 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 147 [2020-09-04 23:09:48,382 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 123 [2020-09-04 23:09:48,559 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 124 [2020-09-04 23:09:49,160 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 172 [2020-09-04 23:09:49,484 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 137 [2020-09-04 23:09:49,836 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 121 [2020-09-04 23:09:50,071 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2020-09-04 23:09:50,359 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2020-09-04 23:09:50,579 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 131 [2020-09-04 23:09:50,796 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 111 [2020-09-04 23:09:50,956 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2020-09-04 23:09:51,098 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2020-09-04 23:09:51,638 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-09-04 23:09:51,816 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2020-09-04 23:09:52,034 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2020-09-04 23:09:52,331 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2020-09-04 23:09:52,503 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 96 [2020-09-04 23:09:52,866 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 147 [2020-09-04 23:09:53,669 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 198 [2020-09-04 23:09:53,793 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2020-09-04 23:09:53,952 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 111 [2020-09-04 23:09:54,180 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2020-09-04 23:09:54,330 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-09-04 23:09:54,463 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-09-04 23:09:54,778 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2020-09-04 23:09:54,959 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2020-09-04 23:09:55,302 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 147 [2020-09-04 23:09:55,979 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-09-04 23:09:56,123 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 114 [2020-09-04 23:09:56,259 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 112 [2020-09-04 23:09:56,390 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-09-04 23:09:56,799 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 152 [2020-09-04 23:09:57,325 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-09-04 23:09:57,438 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2020-09-04 23:10:00,121 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 147 [2020-09-04 23:10:00,403 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 141 [2020-09-04 23:10:00,608 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 135 [2020-09-04 23:10:00,819 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 139 [2020-09-04 23:10:01,148 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 147 [2020-09-04 23:10:01,389 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2020-09-04 23:10:01,517 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 106 [2020-09-04 23:10:02,166 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 151 [2020-09-04 23:10:02,382 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2020-09-04 23:10:02,620 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 135 [2020-09-04 23:10:02,805 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 130 [2020-09-04 23:10:03,124 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 152 [2020-09-04 23:10:03,387 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 126 [2020-09-04 23:10:03,813 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 160 [2020-09-04 23:10:04,097 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 124 [2020-09-04 23:10:04,344 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 113 [2020-09-04 23:10:04,577 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 135 [2020-09-04 23:10:04,773 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 139 [2020-09-04 23:10:05,475 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-09-04 23:10:06,153 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 180 [2020-09-04 23:10:06,296 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 90 [2020-09-04 23:10:06,634 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 98 [2020-09-04 23:10:07,064 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 151 [2020-09-04 23:10:07,538 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 152 [2020-09-04 23:10:07,816 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 147 [2020-09-04 23:10:08,041 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 123 [2020-09-04 23:10:08,219 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 124 [2020-09-04 23:10:08,824 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 172 [2020-09-04 23:10:09,148 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 137 [2020-09-04 23:10:09,495 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 121 [2020-09-04 23:10:09,734 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 138 [2020-09-04 23:10:10,023 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 104 [2020-09-04 23:10:10,249 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 131 [2020-09-04 23:10:10,474 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 111 [2020-09-04 23:10:10,639 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 106 [2020-09-04 23:10:10,782 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 108 [2020-09-04 23:10:11,323 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-09-04 23:10:11,503 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 130 [2020-09-04 23:10:11,727 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2020-09-04 23:10:12,026 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 119 [2020-09-04 23:10:12,197 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 96 [2020-09-04 23:10:12,559 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 147 [2020-09-04 23:10:13,360 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 198 [2020-09-04 23:10:13,484 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 115 [2020-09-04 23:10:13,642 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 111 [2020-09-04 23:10:13,869 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 117 [2020-09-04 23:10:14,019 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 106 [2020-09-04 23:10:14,152 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-09-04 23:10:14,463 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 97 [2020-09-04 23:10:14,640 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 113 [2020-09-04 23:10:14,983 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 147 [2020-09-04 23:10:15,667 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 199 [2020-09-04 23:10:15,811 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 114 [2020-09-04 23:10:15,947 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 112 [2020-09-04 23:10:16,078 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 109 [2020-09-04 23:10:16,488 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 152 [2020-09-04 23:10:17,052 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 169 [2020-09-04 23:10:17,169 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 95 [2020-09-04 23:11:49,013 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 141 [2020-09-04 23:11:52,235 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 132 [2020-09-04 23:11:53,866 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 132 [2020-09-04 23:11:54,670 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 132 [2020-09-04 23:12:30,151 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 23:12:30,284 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:30,422 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:30,549 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 23:12:30,657 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-09-04 23:12:30,791 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:30,917 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 77 [2020-09-04 23:12:31,051 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:31,184 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:31,322 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:31,461 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:31,622 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:31,755 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:31,898 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:32,033 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 78 [2020-09-04 23:12:32,138 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 77 [2020-09-04 23:13:24,440 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-09-04 23:13:26,192 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:13:27,001 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 60 [2020-09-04 23:13:28,326 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 209 DAG size of output: 56 [2020-09-04 23:13:28,842 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-09-04 23:13:29,843 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 47 [2020-09-04 23:13:30,661 WARN L193 SmtUtils]: Spent 808.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 56 [2020-09-04 23:13:31,704 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 188 DAG size of output: 57 [2020-09-04 23:13:32,214 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-09-04 23:13:33,922 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:13:34,753 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-09-04 23:13:36,384 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:13:36,885 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 45 [2020-09-04 23:13:37,920 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 206 DAG size of output: 52 [2020-09-04 23:13:38,724 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 48 [2020-09-04 23:13:39,775 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 188 DAG size of output: 65 [2020-09-04 23:13:40,686 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2020-09-04 23:13:41,732 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 213 DAG size of output: 48 [2020-09-04 23:13:42,524 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 53 [2020-09-04 23:13:43,473 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 54 [2020-09-04 23:13:44,498 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 185 DAG size of output: 62 [2020-09-04 23:13:45,507 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 57 [2020-09-04 23:13:47,161 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:13:48,392 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 196 DAG size of output: 58 [2020-09-04 23:13:49,423 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 206 DAG size of output: 53 [2020-09-04 23:13:50,206 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 59 [2020-09-04 23:13:51,408 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 205 DAG size of output: 55 [2020-09-04 23:13:52,120 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 50 [2020-09-04 23:13:52,900 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 48 [2020-09-04 23:13:54,545 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 240 DAG size of output: 67 [2020-09-04 23:13:55,397 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 54 [2020-09-04 23:13:56,391 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 54 [2020-09-04 23:13:57,834 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 207 DAG size of output: 65 [2020-09-04 23:13:58,707 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 56 [2020-09-04 23:14:00,356 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:14:01,546 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 212 DAG size of output: 53 [2020-09-04 23:14:02,443 WARN L193 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 61 [2020-09-04 23:14:04,046 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:14:04,939 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 59 [2020-09-04 23:14:05,706 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 48 [2020-09-04 23:14:06,810 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 194 DAG size of output: 57 [2020-09-04 23:14:07,632 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 54 [2020-09-04 23:14:09,239 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:14:10,166 WARN L193 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 57 [2020-09-04 23:14:11,139 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 47 [2020-09-04 23:14:12,045 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 52 [2020-09-04 23:14:13,649 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:14:14,499 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 61 [2020-09-04 23:14:16,148 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:14:17,165 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 188 DAG size of output: 58 [2020-09-04 23:14:18,146 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 53 [2020-09-04 23:14:19,311 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 194 DAG size of output: 74 [2020-09-04 23:14:20,513 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 196 DAG size of output: 58 [2020-09-04 23:14:21,336 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 54 [2020-09-04 23:14:22,965 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 277 DAG size of output: 63 [2020-09-04 23:14:24,409 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 207 DAG size of output: 65 [2020-09-04 23:14:25,411 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 75 [2020-09-04 23:14:26,588 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 199 DAG size of output: 55