/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/product-lines/minepump_spec5_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:12:00,386 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:12:00,390 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:12:00,431 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:12:00,432 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:12:00,442 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:12:00,444 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:12:00,447 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:12:00,449 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:12:00,453 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:12:00,454 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:12:00,456 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:12:00,456 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:12:00,460 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:12:00,461 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:12:00,463 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:12:00,465 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:12:00,466 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:12:00,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:12:00,473 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:12:00,477 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:12:00,478 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:12:00,480 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:12:00,481 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:12:00,486 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:12:00,487 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:12:00,487 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:12:00,490 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:12:00,491 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:12:00,492 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:12:00,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:12:00,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:12:00,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:12:00,495 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:12:00,496 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:12:00,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:12:00,497 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:12:00,497 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:12:00,498 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:12:00,499 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:12:00,500 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:12:00,501 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 21:12:00,521 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:12:00,521 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:12:00,524 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:12:00,524 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:12:00,524 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:12:00,524 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:12:00,525 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:12:00,525 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:12:00,525 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:12:00,526 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:12:00,527 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:12:00,527 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:12:00,527 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:12:00,527 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:12:00,528 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:12:00,528 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:12:00,528 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:12:00,528 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:12:00,529 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:12:00,529 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:12:00,530 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:12:00,530 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:12:00,530 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 21:12:00,973 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:12:00,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:12:01,003 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:12:01,005 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:12:01,005 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:12:01,006 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-04 21:12:01,076 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0378858dc/dd05919ce3724b889bc761b513656d3d/FLAG388e4720d [2020-09-04 21:12:01,665 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:12:01,666 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-04 21:12:01,695 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0378858dc/dd05919ce3724b889bc761b513656d3d/FLAG388e4720d [2020-09-04 21:12:01,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/0378858dc/dd05919ce3724b889bc761b513656d3d [2020-09-04 21:12:01,903 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:12:01,905 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:12:01,906 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:12:01,907 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:12:01,911 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:12:01,912 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:12:01" (1/1) ... [2020-09-04 21:12:01,916 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7845d484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:01, skipping insertion in model container [2020-09-04 21:12:01,916 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:12:01" (1/1) ... [2020-09-04 21:12:01,925 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:12:01,973 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:12:02,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:12:02,440 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:12:02,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:12:02,567 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:12:02,567 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02 WrapperNode [2020-09-04 21:12:02,567 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:12:02,568 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:12:02,568 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:12:02,569 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:12:02,584 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02" (1/1) ... [2020-09-04 21:12:02,584 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02" (1/1) ... [2020-09-04 21:12:02,604 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02" (1/1) ... [2020-09-04 21:12:02,605 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02" (1/1) ... [2020-09-04 21:12:02,634 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02" (1/1) ... [2020-09-04 21:12:02,645 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02" (1/1) ... [2020-09-04 21:12:02,650 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02" (1/1) ... [2020-09-04 21:12:02,658 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:12:02,659 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:12:02,659 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:12:02,659 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:12:02,660 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02" (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 21:12:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:12:02,734 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:12:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:12:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:12:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:12:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:12:02,735 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:12:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:12:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:12:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:12:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:12:02,736 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:12:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:12:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:12:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:12:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:12:02,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:12:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:12:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:12:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:12:02,738 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:12:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:12:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:12:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:12:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:12:02,739 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:12:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:12:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:12:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:12:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:12:02,740 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:12:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:12:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:12:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 21:12:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:12:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:12:02,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:12:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:12:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:12:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:12:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 21:12:02,742 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:12:02,742 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:12:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:12:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:12:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:12:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:12:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:12:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:12:02,743 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:12:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:12:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:12:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:12:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:12:02,744 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:12:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:12:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:12:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:12:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:12:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:12:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:12:02,745 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:12:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:12:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:12:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:12:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:12:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:12:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:12:02,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:12:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:12:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:12:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:12:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:12:02,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:12:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:12:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:12:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:12:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:12:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:12:02,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:12:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:12:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:12:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:12:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:12:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:12:02,749 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:12:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:12:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:12:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 21:12:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:12:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:12:02,750 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:12:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:12:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:12:02,751 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 21:12:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:12:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:12:02,752 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:12:03,881 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:12:03,881 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:12:03,892 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:12:03 BoogieIcfgContainer [2020-09-04 21:12:03,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:12:03,894 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:12:03,894 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:12:03,898 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:12:03,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:12:01" (1/3) ... [2020-09-04 21:12:03,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e951cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:12:03, skipping insertion in model container [2020-09-04 21:12:03,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:12:02" (2/3) ... [2020-09-04 21:12:03,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60e951cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:12:03, skipping insertion in model container [2020-09-04 21:12:03,900 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:12:03" (3/3) ... [2020-09-04 21:12:03,902 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-09-04 21:12:03,914 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:12:03,932 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:12:03,957 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:12:03,987 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:12:03,987 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:12:03,988 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:12:03,988 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:12:03,988 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:12:03,988 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:12:03,988 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:12:03,988 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:12:04,023 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2020-09-04 21:12:04,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:12:04,068 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:04,069 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:12:04,070 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:04,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:04,078 INFO L82 PathProgramCache]: Analyzing trace with hash -1445921999, now seen corresponding path program 1 times [2020-09-04 21:12:04,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:04,092 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1204088080] [2020-09-04 21:12:04,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:04,931 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:04,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:04,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:05,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:12:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:12:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:12:05,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:05,096 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:12:05,097 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1204088080] [2020-09-04 21:12:05,099 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:05,100 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:12:05,101 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466040326] [2020-09-04 21:12:05,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:12:05,110 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:05,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:12:05,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:12:05,130 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 4 states. [2020-09-04 21:12:06,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:06,540 INFO L93 Difference]: Finished difference Result 525 states and 615 transitions. [2020-09-04 21:12:06,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:12:06,542 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:12:06,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:06,564 INFO L225 Difference]: With dead ends: 525 [2020-09-04 21:12:06,564 INFO L226 Difference]: Without dead ends: 329 [2020-09-04 21:12:06,570 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:12:06,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-09-04 21:12:06,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 281. [2020-09-04 21:12:06,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-04 21:12:06,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-09-04 21:12:06,716 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 160 [2020-09-04 21:12:06,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:06,717 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-09-04 21:12:06,717 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:12:06,717 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-09-04 21:12:06,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:12:06,721 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:06,721 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:12:06,721 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:12:06,722 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:06,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:06,722 INFO L82 PathProgramCache]: Analyzing trace with hash -345471189, now seen corresponding path program 1 times [2020-09-04 21:12:06,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:06,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397902485] [2020-09-04 21:12:06,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,131 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:07,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:07,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:12:07,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:12:07,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:12:07,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:07,230 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:12:07,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397902485] [2020-09-04 21:12:07,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:07,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:12:07,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62837319] [2020-09-04 21:12:07,234 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:12:07,234 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:07,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:12:07,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:12:07,235 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 5 states. [2020-09-04 21:12:07,904 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:09,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:09,068 INFO L93 Difference]: Finished difference Result 450 states and 507 transitions. [2020-09-04 21:12:09,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:12:09,069 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:12:09,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:09,074 INFO L225 Difference]: With dead ends: 450 [2020-09-04 21:12:09,074 INFO L226 Difference]: Without dead ends: 318 [2020-09-04 21:12:09,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:12:09,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-04 21:12:09,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 271. [2020-09-04 21:12:09,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-04 21:12:09,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 293 transitions. [2020-09-04 21:12:09,151 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 293 transitions. Word has length 161 [2020-09-04 21:12:09,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:09,152 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 293 transitions. [2020-09-04 21:12:09,152 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:12:09,152 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 293 transitions. [2020-09-04 21:12:09,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 21:12:09,154 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:09,154 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:12:09,154 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:12:09,155 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:09,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:09,155 INFO L82 PathProgramCache]: Analyzing trace with hash 527888294, now seen corresponding path program 1 times [2020-09-04 21:12:09,155 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:09,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2114978818] [2020-09-04 21:12:09,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,555 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:09,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:09,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:09,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:09,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:12:09,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 21:12:09,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 21:12:09,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:09,728 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:12:09,729 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2114978818] [2020-09-04 21:12:09,729 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:09,730 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:12:09,730 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1973219089] [2020-09-04 21:12:09,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:12:09,731 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:09,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:12:09,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:12:09,732 INFO L87 Difference]: Start difference. First operand 271 states and 293 transitions. Second operand 11 states. [2020-09-04 21:12:10,439 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:10,888 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:11,156 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:12:11,461 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:11,768 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:12,078 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:14,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:14,035 INFO L93 Difference]: Finished difference Result 497 states and 572 transitions. [2020-09-04 21:12:14,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:12:14,036 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 21:12:14,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:14,040 INFO L225 Difference]: With dead ends: 497 [2020-09-04 21:12:14,040 INFO L226 Difference]: Without dead ends: 341 [2020-09-04 21:12:14,041 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:12:14,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-09-04 21:12:14,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 271. [2020-09-04 21:12:14,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-04 21:12:14,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 292 transitions. [2020-09-04 21:12:14,119 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 292 transitions. Word has length 174 [2020-09-04 21:12:14,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:14,120 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 292 transitions. [2020-09-04 21:12:14,120 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:12:14,121 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 292 transitions. [2020-09-04 21:12:14,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-04 21:12:14,123 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:14,124 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:14,124 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:12:14,124 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:14,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:14,125 INFO L82 PathProgramCache]: Analyzing trace with hash -59747891, now seen corresponding path program 1 times [2020-09-04 21:12:14,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:14,125 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [943249501] [2020-09-04 21:12:14,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:14,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,470 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:14,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:12:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:12:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:14,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-04 21:12:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-04 21:12:14,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:14,654 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:12:14,655 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [943249501] [2020-09-04 21:12:14,655 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:14,655 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:12:14,656 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [113716949] [2020-09-04 21:12:14,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:12:14,657 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:14,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:12:14,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:12:14,657 INFO L87 Difference]: Start difference. First operand 271 states and 292 transitions. Second operand 8 states. [2020-09-04 21:12:15,231 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:17,367 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:17,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:17,999 INFO L93 Difference]: Finished difference Result 699 states and 829 transitions. [2020-09-04 21:12:18,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 21:12:18,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-09-04 21:12:18,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:18,005 INFO L225 Difference]: With dead ends: 699 [2020-09-04 21:12:18,005 INFO L226 Difference]: Without dead ends: 543 [2020-09-04 21:12:18,006 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:12:18,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-09-04 21:12:18,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 405. [2020-09-04 21:12:18,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-04 21:12:18,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2020-09-04 21:12:18,128 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 187 [2020-09-04 21:12:18,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:18,129 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2020-09-04 21:12:18,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:12:18,129 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2020-09-04 21:12:18,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-04 21:12:18,132 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:18,132 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:18,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:12:18,133 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:18,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:18,133 INFO L82 PathProgramCache]: Analyzing trace with hash -476532751, now seen corresponding path program 1 times [2020-09-04 21:12:18,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:18,134 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [96967320] [2020-09-04 21:12:18,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,501 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:18,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:12:18,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:18,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:12:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:18,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-04 21:12:18,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-04 21:12:18,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:18,854 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:12:18,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [96967320] [2020-09-04 21:12:18,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:18,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:12:18,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410025357] [2020-09-04 21:12:18,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:12:18,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:18,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:12:18,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:12:18,859 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand 14 states. [2020-09-04 21:12:19,444 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:19,755 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:12:20,052 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:20,367 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:20,678 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:21,801 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:22,103 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:22,418 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:22,755 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:23,045 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:24,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:24,645 INFO L93 Difference]: Finished difference Result 838 states and 987 transitions. [2020-09-04 21:12:24,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:12:24,646 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 211 [2020-09-04 21:12:24,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:24,650 INFO L225 Difference]: With dead ends: 838 [2020-09-04 21:12:24,650 INFO L226 Difference]: Without dead ends: 548 [2020-09-04 21:12:24,652 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 21:12:24,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-04 21:12:24,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 411. [2020-09-04 21:12:24,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-04 21:12:24,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 443 transitions. [2020-09-04 21:12:24,803 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 443 transitions. Word has length 211 [2020-09-04 21:12:24,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:24,804 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 443 transitions. [2020-09-04 21:12:24,804 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:12:24,804 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 443 transitions. [2020-09-04 21:12:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-04 21:12:24,807 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:24,808 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:24,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:12:24,808 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:24,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:24,809 INFO L82 PathProgramCache]: Analyzing trace with hash 497337425, now seen corresponding path program 1 times [2020-09-04 21:12:24,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:24,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1194374465] [2020-09-04 21:12:24,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:24,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,198 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:25,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:25,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:12:25,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:25,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:12:25,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:25,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:25,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-04 21:12:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-04 21:12:25,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:25,412 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-04 21:12:25,412 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1194374465] [2020-09-04 21:12:25,413 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:25,413 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:12:25,414 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2016717115] [2020-09-04 21:12:25,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:12:25,415 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:25,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:12:25,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:12:25,417 INFO L87 Difference]: Start difference. First operand 411 states and 443 transitions. Second operand 11 states. [2020-09-04 21:12:25,964 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:26,923 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:27,232 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:28,525 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:28,816 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:29,157 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:29,792 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:30,092 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:30,380 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:31,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:31,044 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2020-09-04 21:12:31,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 21:12:31,044 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-04 21:12:31,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:31,049 INFO L225 Difference]: With dead ends: 844 [2020-09-04 21:12:31,049 INFO L226 Difference]: Without dead ends: 548 [2020-09-04 21:12:31,051 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-04 21:12:31,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-04 21:12:31,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 410. [2020-09-04 21:12:31,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-04 21:12:31,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 440 transitions. [2020-09-04 21:12:31,160 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 440 transitions. Word has length 211 [2020-09-04 21:12:31,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:31,161 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 440 transitions. [2020-09-04 21:12:31,161 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:12:31,161 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 440 transitions. [2020-09-04 21:12:31,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 21:12:31,165 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:31,165 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:31,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:12:31,165 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:31,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:31,166 INFO L82 PathProgramCache]: Analyzing trace with hash -217934529, now seen corresponding path program 1 times [2020-09-04 21:12:31,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:31,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [90539918] [2020-09-04 21:12:31,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,470 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:31,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:31,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:31,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:31,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:12:31,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:31,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:12:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:31,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:31,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:31,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:31,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:31,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 21:12:31,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 21:12:31,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:31,726 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:12:31,726 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [90539918] [2020-09-04 21:12:31,727 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:31,727 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:12:31,727 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113213242] [2020-09-04 21:12:31,728 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:12:31,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:31,728 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:12:31,728 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:12:31,729 INFO L87 Difference]: Start difference. First operand 410 states and 440 transitions. Second operand 11 states. [2020-09-04 21:12:33,187 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:33,497 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:12:33,821 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:34,135 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:34,452 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:12:34,779 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:36,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:36,081 INFO L93 Difference]: Finished difference Result 847 states and 991 transitions. [2020-09-04 21:12:36,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:12:36,082 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-09-04 21:12:36,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:36,090 INFO L225 Difference]: With dead ends: 847 [2020-09-04 21:12:36,090 INFO L226 Difference]: Without dead ends: 552 [2020-09-04 21:12:36,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:12:36,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-09-04 21:12:36,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2020-09-04 21:12:36,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-09-04 21:12:36,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 448 transitions. [2020-09-04 21:12:36,286 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 448 transitions. Word has length 234 [2020-09-04 21:12:36,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:36,286 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 448 transitions. [2020-09-04 21:12:36,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:12:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 448 transitions. [2020-09-04 21:12:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 21:12:36,291 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:36,291 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:36,292 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:12:36,292 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:36,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:36,292 INFO L82 PathProgramCache]: Analyzing trace with hash 1176917148, now seen corresponding path program 1 times [2020-09-04 21:12:36,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:36,295 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [327891672] [2020-09-04 21:12:36,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:36,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,644 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:36,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:36,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:36,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:36,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:36,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:36,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:36,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:12:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:36,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:12:36,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:36,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:36,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:36,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:36,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:36,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:36,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:36,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 21:12:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 21:12:36,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:36,895 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:12:36,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [327891672] [2020-09-04 21:12:36,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:36,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:12:36,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748995543] [2020-09-04 21:12:36,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:12:36,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:36,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:12:36,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:12:36,897 INFO L87 Difference]: Start difference. First operand 418 states and 448 transitions. Second operand 8 states. [2020-09-04 21:12:37,511 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:38,173 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:41,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:41,219 INFO L93 Difference]: Finished difference Result 1183 states and 1420 transitions. [2020-09-04 21:12:41,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 21:12:41,220 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-09-04 21:12:41,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:41,226 INFO L225 Difference]: With dead ends: 1183 [2020-09-04 21:12:41,226 INFO L226 Difference]: Without dead ends: 880 [2020-09-04 21:12:41,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-04 21:12:41,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-04 21:12:41,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 673. [2020-09-04 21:12:41,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-09-04 21:12:41,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 740 transitions. [2020-09-04 21:12:41,541 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 740 transitions. Word has length 234 [2020-09-04 21:12:41,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:41,542 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 740 transitions. [2020-09-04 21:12:41,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:12:41,542 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 740 transitions. [2020-09-04 21:12:41,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-04 21:12:41,550 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:41,551 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:41,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:12:41,551 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:41,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:41,552 INFO L82 PathProgramCache]: Analyzing trace with hash -1214461665, now seen corresponding path program 1 times [2020-09-04 21:12:41,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:41,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1562686377] [2020-09-04 21:12:41,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:41,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,025 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:42,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:42,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:42,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:42,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:42,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:12:42,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:42,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:12:42,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:42,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 21:12:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:42,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:42,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:42,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-04 21:12:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:12:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:42,392 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:12:42,393 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1562686377] [2020-09-04 21:12:42,393 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:12:42,393 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 21:12:42,394 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806754552] [2020-09-04 21:12:42,394 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:12:42,394 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:42,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:12:42,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:12:42,395 INFO L87 Difference]: Start difference. First operand 673 states and 740 transitions. Second operand 15 states. [2020-09-04 21:12:43,230 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:12:44,151 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:46,084 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:12:46,663 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:12:47,054 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:47,368 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:47,954 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:12:48,286 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:48,652 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:12:48,955 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:51,181 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:12:51,498 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:12:51,808 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:12:52,512 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:12:54,122 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:12:54,747 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:12:55,352 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:12:56,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:12:56,247 INFO L93 Difference]: Finished difference Result 2086 states and 2498 transitions. [2020-09-04 21:12:56,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 21:12:56,247 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-09-04 21:12:56,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:12:56,256 INFO L225 Difference]: With dead ends: 2086 [2020-09-04 21:12:56,256 INFO L226 Difference]: Without dead ends: 1635 [2020-09-04 21:12:56,260 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-09-04 21:12:56,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-09-04 21:12:56,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1194. [2020-09-04 21:12:56,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-09-04 21:12:56,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1303 transitions. [2020-09-04 21:12:56,729 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1303 transitions. Word has length 239 [2020-09-04 21:12:56,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:12:56,731 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1303 transitions. [2020-09-04 21:12:56,732 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:12:56,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1303 transitions. [2020-09-04 21:12:56,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-09-04 21:12:56,738 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:12:56,739 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:12:56,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:12:56,739 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:12:56,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:12:56,740 INFO L82 PathProgramCache]: Analyzing trace with hash 2117034326, now seen corresponding path program 1 times [2020-09-04 21:12:56,740 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:12:56,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1449124646] [2020-09-04 21:12:56,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:12:56,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,203 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:12:57,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:57,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:12:57,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:12:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:12:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:12:57,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:12:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:12:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:12:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:12:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:57,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:12:57,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:57,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:57,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:12:57,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:12:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:57,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:57,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:12:57,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:12:57,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:57,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:12:57,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:12:57,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:12:57,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-04 21:12:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-04 21:12:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:57,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:12:57,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:12:57,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:12:57,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-04 21:12:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:57,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 21:12:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:12:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-09-04 21:12:58,016 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1449124646] [2020-09-04 21:12:58,016 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:12:58,016 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:12:58,017 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899455347] [2020-09-04 21:12:58,018 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:12:58,019 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:12:58,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:12:58,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:12:58,020 INFO L87 Difference]: Start difference. First operand 1194 states and 1303 transitions. Second operand 19 states. [2020-09-04 21:12:58,782 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:12:59,248 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:59,589 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:12:59,938 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:13:00,298 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:00,615 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:13:01,716 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:13:02,064 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:13:02,398 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:03,012 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:13:04,244 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:13:04,639 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:13:05,688 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:06,751 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:07,723 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:13:08,374 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:13:08,964 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:13:09,401 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:10,262 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:10,941 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:13:11,316 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:13:12,100 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:13:12,761 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:13:14,358 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:13:14,689 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:16,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:16,347 INFO L93 Difference]: Finished difference Result 2885 states and 3339 transitions. [2020-09-04 21:13:16,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 21:13:16,347 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 325 [2020-09-04 21:13:16,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:16,358 INFO L225 Difference]: With dead ends: 2885 [2020-09-04 21:13:16,358 INFO L226 Difference]: Without dead ends: 1908 [2020-09-04 21:13:16,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1916 ImplicationChecksByTransitivity, 11.4s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 21:13:16,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2020-09-04 21:13:17,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1425. [2020-09-04 21:13:17,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2020-09-04 21:13:17,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1562 transitions. [2020-09-04 21:13:17,055 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1562 transitions. Word has length 325 [2020-09-04 21:13:17,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:17,056 INFO L479 AbstractCegarLoop]: Abstraction has 1425 states and 1562 transitions. [2020-09-04 21:13:17,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:13:17,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1562 transitions. [2020-09-04 21:13:17,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-09-04 21:13:17,063 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:17,063 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:13:17,063 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:13:17,064 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:17,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:17,064 INFO L82 PathProgramCache]: Analyzing trace with hash -830990222, now seen corresponding path program 1 times [2020-09-04 21:13:17,064 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:17,065 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633565562] [2020-09-04 21:13:17,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,510 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:17,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:17,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:17,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:17,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:13:17,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:17,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:13:17,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:17,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:17,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:17,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:13:17,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:13:17,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:13:17,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:17,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:17,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:17,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:17,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:13:17,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-04 21:13:17,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-09-04 21:13:17,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:17,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:17,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:17,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:17,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:13:17,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-09-04 21:13:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-09-04 21:13:17,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:17,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-04 21:13:17,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:17,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:17,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:17,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:17,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:17,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:17,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:18,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2020-09-04 21:13:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:18,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-04 21:13:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:18,187 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2020-09-04 21:13:18,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633565562] [2020-09-04 21:13:18,188 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:13:18,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:13:18,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725137275] [2020-09-04 21:13:18,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:13:18,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:18,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:13:18,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:13:18,191 INFO L87 Difference]: Start difference. First operand 1425 states and 1562 transitions. Second operand 17 states. [2020-09-04 21:13:20,308 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:20,626 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:20,964 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:21,300 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:21,603 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:21,904 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:24,287 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:24,623 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:26,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:26,804 INFO L93 Difference]: Finished difference Result 4194 states and 4958 transitions. [2020-09-04 21:13:26,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 21:13:26,804 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-09-04 21:13:26,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:26,821 INFO L225 Difference]: With dead ends: 4194 [2020-09-04 21:13:26,821 INFO L226 Difference]: Without dead ends: 2689 [2020-09-04 21:13:26,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 124 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 21:13:26,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2020-09-04 21:13:27,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 1847. [2020-09-04 21:13:27,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2020-09-04 21:13:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2057 transitions. [2020-09-04 21:13:27,496 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2057 transitions. Word has length 517 [2020-09-04 21:13:27,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:27,497 INFO L479 AbstractCegarLoop]: Abstraction has 1847 states and 2057 transitions. [2020-09-04 21:13:27,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:13:27,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2057 transitions. [2020-09-04 21:13:27,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-09-04 21:13:27,505 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:27,505 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:13:27,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:13:27,506 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:27,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:27,506 INFO L82 PathProgramCache]: Analyzing trace with hash -1343403747, now seen corresponding path program 1 times [2020-09-04 21:13:27,506 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:27,507 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499627345] [2020-09-04 21:13:27,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:27,898 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:27,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:27,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:27,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:27,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:27,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:27,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:27,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:27,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:27,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:27,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:13:28,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:13:28,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:28,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:13:28,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:13:28,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:13:28,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:28,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:13:28,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:13:28,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 21:13:28,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 21:13:28,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:28,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:28,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:28,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:28,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:13:28,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-09-04 21:13:28,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:13:28,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-04 21:13:28,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:28,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-09-04 21:13:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:28,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-09-04 21:13:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-09-04 21:13:28,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:28,561 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 134 proven. 41 refuted. 0 times theorem prover too weak. 335 trivial. 0 not checked. [2020-09-04 21:13:28,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499627345] [2020-09-04 21:13:28,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:13:28,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:13:28,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824888565] [2020-09-04 21:13:28,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:13:28,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:28,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:13:28,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:13:28,563 INFO L87 Difference]: Start difference. First operand 1847 states and 2057 transitions. Second operand 19 states. [2020-09-04 21:13:29,194 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:29,616 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:29,941 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:13:30,266 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:30,583 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:13:30,885 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:32,045 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:32,358 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:33,629 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:34,042 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:34,454 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:35,046 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:36,366 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:36,705 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:37,952 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:38,406 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:38,808 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:13:41,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:41,823 INFO L93 Difference]: Finished difference Result 3884 states and 4538 transitions. [2020-09-04 21:13:41,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 21:13:41,824 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 531 [2020-09-04 21:13:41,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:41,843 INFO L225 Difference]: With dead ends: 3884 [2020-09-04 21:13:41,843 INFO L226 Difference]: Without dead ends: 2290 [2020-09-04 21:13:41,852 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 21:13:41,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2020-09-04 21:13:42,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1775. [2020-09-04 21:13:42,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-09-04 21:13:42,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1958 transitions. [2020-09-04 21:13:42,583 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1958 transitions. Word has length 531 [2020-09-04 21:13:42,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:13:42,584 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 1958 transitions. [2020-09-04 21:13:42,584 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:13:42,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1958 transitions. [2020-09-04 21:13:42,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-09-04 21:13:42,592 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:13:42,593 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:13:42,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:13:42,593 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:13:42,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:13:42,594 INFO L82 PathProgramCache]: Analyzing trace with hash -1677407297, now seen corresponding path program 1 times [2020-09-04 21:13:42,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:13:42,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456819101] [2020-09-04 21:13:42,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:13:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,004 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:13:43,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:13:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:13:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:13:43,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:13:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:13:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:13:43,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:13:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:13:43,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:43,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:13:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:13:43,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:13:43,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:13:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:43,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:43,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:43,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:13:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:13:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 21:13:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 21:13:43,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:13:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:13:43,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:13:43,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-09-04 21:13:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:13:43,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-09-04 21:13:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:13:43,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-09-04 21:13:43,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:13:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:13:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:13:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:13:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:13:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 21:13:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-04 21:13:43,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:13:43,756 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 123 proven. 11 refuted. 0 times theorem prover too weak. 377 trivial. 0 not checked. [2020-09-04 21:13:43,756 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456819101] [2020-09-04 21:13:43,757 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:13:43,757 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:13:43,757 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2085388597] [2020-09-04 21:13:43,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:13:43,758 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:13:43,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:13:43,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:13:43,759 INFO L87 Difference]: Start difference. First operand 1775 states and 1958 transitions. Second operand 17 states. [2020-09-04 21:13:44,446 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:13:45,734 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:13:47,717 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:48,142 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:48,557 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:48,966 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:49,314 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:49,677 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:13:49,996 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:50,361 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:50,739 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:51,194 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:13:51,552 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:51,920 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:13:54,306 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:13:54,984 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 21:13:55,606 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 21:13:55,976 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:13:56,378 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:13:56,728 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:13:58,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:13:58,855 INFO L93 Difference]: Finished difference Result 5731 states and 6740 transitions. [2020-09-04 21:13:58,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-09-04 21:13:58,856 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 532 [2020-09-04 21:13:58,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:13:58,878 INFO L225 Difference]: With dead ends: 5731 [2020-09-04 21:13:58,878 INFO L226 Difference]: Without dead ends: 4084 [2020-09-04 21:13:58,885 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-09-04 21:13:58,889 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-09-04 21:14:00,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3192. [2020-09-04 21:14:00,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3192 states. [2020-09-04 21:14:00,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 3489 transitions. [2020-09-04 21:14:00,263 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 3489 transitions. Word has length 532 [2020-09-04 21:14:00,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:00,264 INFO L479 AbstractCegarLoop]: Abstraction has 3192 states and 3489 transitions. [2020-09-04 21:14:00,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:14:00,265 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3489 transitions. [2020-09-04 21:14:00,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-09-04 21:14:00,276 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:00,276 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:14:00,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:14:00,277 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:00,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:00,277 INFO L82 PathProgramCache]: Analyzing trace with hash -822119102, now seen corresponding path program 1 times [2020-09-04 21:14:00,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:00,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728601697] [2020-09-04 21:14:00,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:00,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,677 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:00,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:00,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:00,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:14:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:14:00,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 21:14:00,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:00,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:00,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:00,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:00,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:00,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:00,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:00,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:01,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:01,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:01,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:14:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:14:01,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:01,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:01,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:01,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:01,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:01,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:01,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:01,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:14:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:14:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:01,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:01,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:01,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:14:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 21:14:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 21:14:01,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-04 21:14:01,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:01,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:01,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:01,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:01,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 21:14:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-09-04 21:14:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:01,545 INFO L134 CoverageAnalysis]: Checked inductivity of 507 backedges. 90 proven. 50 refuted. 0 times theorem prover too weak. 367 trivial. 0 not checked. [2020-09-04 21:14:01,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728601697] [2020-09-04 21:14:01,545 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:01,545 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-04 21:14:01,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1822808496] [2020-09-04 21:14:01,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 21:14:01,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:01,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 21:14:01,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:14:01,547 INFO L87 Difference]: Start difference. First operand 3192 states and 3489 transitions. Second operand 23 states. [2020-09-04 21:14:02,396 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:02,878 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:03,212 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:14:03,543 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:03,868 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:14:04,177 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:05,291 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:07,585 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:07,986 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:08,402 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:08,814 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:09,230 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:09,595 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:09,916 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:10,293 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:10,673 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:11,148 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:11,495 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:11,857 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:12,545 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:14:13,359 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:14:13,984 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:14:19,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:19,288 INFO L93 Difference]: Finished difference Result 7010 states and 8091 transitions. [2020-09-04 21:14:19,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-09-04 21:14:19,289 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 533 [2020-09-04 21:14:19,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:19,310 INFO L225 Difference]: With dead ends: 7010 [2020-09-04 21:14:19,310 INFO L226 Difference]: Without dead ends: 4190 [2020-09-04 21:14:19,322 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 136 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1923 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1192, Invalid=5288, Unknown=0, NotChecked=0, Total=6480 [2020-09-04 21:14:19,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4190 states. [2020-09-04 21:14:20,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4190 to 2983. [2020-09-04 21:14:20,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2983 states. [2020-09-04 21:14:20,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 3242 transitions. [2020-09-04 21:14:20,608 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 3242 transitions. Word has length 533 [2020-09-04 21:14:20,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:20,612 INFO L479 AbstractCegarLoop]: Abstraction has 2983 states and 3242 transitions. [2020-09-04 21:14:20,612 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 21:14:20,612 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3242 transitions. [2020-09-04 21:14:20,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-09-04 21:14:20,624 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:20,625 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:20,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:14:20,625 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:20,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:20,626 INFO L82 PathProgramCache]: Analyzing trace with hash 1789840089, now seen corresponding path program 1 times [2020-09-04 21:14:20,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:20,626 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586478719] [2020-09-04 21:14:20,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,065 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:21,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:21,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:21,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:21,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:21,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:14:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:21,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:21,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:21,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:14:21,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:14:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:14:21,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:21,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:21,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:14:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:14:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:21,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:21,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:14:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-09-04 21:14:21,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 21:14:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-09-04 21:14:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 21:14:21,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:21,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:21,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:21,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-09-04 21:14:21,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 21:14:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:21,955 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 127 proven. 31 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-09-04 21:14:21,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586478719] [2020-09-04 21:14:21,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:21,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-04 21:14:21,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215875970] [2020-09-04 21:14:21,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 21:14:21,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:21,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 21:14:21,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:14:21,957 INFO L87 Difference]: Start difference. First operand 2983 states and 3242 transitions. Second operand 23 states. [2020-09-04 21:14:22,648 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:23,120 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:23,454 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:14:23,795 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:24,126 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:14:24,436 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:25,575 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:27,958 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:28,341 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:28,776 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:29,208 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:29,553 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:29,920 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:30,249 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:30,636 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:31,008 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:31,463 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:31,820 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:32,186 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:35,135 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:14:35,905 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:14:36,514 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:14:39,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:39,134 INFO L93 Difference]: Finished difference Result 6459 states and 7411 transitions. [2020-09-04 21:14:39,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-09-04 21:14:39,134 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 538 [2020-09-04 21:14:39,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:39,154 INFO L225 Difference]: With dead ends: 6459 [2020-09-04 21:14:39,154 INFO L226 Difference]: Without dead ends: 3848 [2020-09-04 21:14:39,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1949 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 21:14:39,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states. [2020-09-04 21:14:40,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 2754. [2020-09-04 21:14:40,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2754 states. [2020-09-04 21:14:40,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 2991 transitions. [2020-09-04 21:14:40,597 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 2991 transitions. Word has length 538 [2020-09-04 21:14:40,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:40,597 INFO L479 AbstractCegarLoop]: Abstraction has 2754 states and 2991 transitions. [2020-09-04 21:14:40,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 21:14:40,597 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 2991 transitions. [2020-09-04 21:14:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-09-04 21:14:40,607 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:40,608 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:14:40,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:14:40,608 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:40,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:40,609 INFO L82 PathProgramCache]: Analyzing trace with hash -835229441, now seen corresponding path program 2 times [2020-09-04 21:14:40,609 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:40,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1401518650] [2020-09-04 21:14:40,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:40,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,013 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:41,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:41,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:41,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:41,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:41,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:41,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:41,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:41,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:41,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:14:41,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:41,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:41,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:41,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:41,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:14:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:14:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:41,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:41,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:41,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:41,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:41,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:41,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 21:14:41,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:14:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:14:41,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:41,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:14:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-09-04 21:14:41,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 21:14:41,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-09-04 21:14:41,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 21:14:41,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:41,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:41,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:41,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:41,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-09-04 21:14:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 21:14:41,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:41,721 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 144 proven. 37 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2020-09-04 21:14:41,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1401518650] [2020-09-04 21:14:41,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:41,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:14:41,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725162783] [2020-09-04 21:14:41,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:14:41,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:41,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:14:41,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:14:41,724 INFO L87 Difference]: Start difference. First operand 2754 states and 2991 transitions. Second operand 19 states. [2020-09-04 21:14:42,377 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:44,909 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:45,250 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:45,885 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:14:46,220 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:14:46,814 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:14:47,145 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:14:47,722 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:14:48,084 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:48,441 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:48,757 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:49,074 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:14:52,071 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:14:52,416 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:14:56,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:14:56,695 INFO L93 Difference]: Finished difference Result 6677 states and 7828 transitions. [2020-09-04 21:14:56,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 21:14:56,696 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 538 [2020-09-04 21:14:56,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:14:56,717 INFO L225 Difference]: With dead ends: 6677 [2020-09-04 21:14:56,718 INFO L226 Difference]: Without dead ends: 5076 [2020-09-04 21:14:56,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 151 SyntacticMatches, 6 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2081 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-09-04 21:14:56,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2020-09-04 21:14:57,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 3301. [2020-09-04 21:14:57,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3301 states. [2020-09-04 21:14:57,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 3576 transitions. [2020-09-04 21:14:57,967 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 3576 transitions. Word has length 538 [2020-09-04 21:14:57,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:14:57,968 INFO L479 AbstractCegarLoop]: Abstraction has 3301 states and 3576 transitions. [2020-09-04 21:14:57,968 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:14:57,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 3576 transitions. [2020-09-04 21:14:57,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-09-04 21:14:57,978 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:14:57,979 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:14:57,979 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:14:57,979 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:14:57,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:14:57,979 INFO L82 PathProgramCache]: Analyzing trace with hash 1795671739, now seen corresponding path program 1 times [2020-09-04 21:14:57,980 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:14:57,980 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680499826] [2020-09-04 21:14:57,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:14:58,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,415 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:14:58,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:58,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:14:58,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:14:58,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:14:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:14:58,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:14:58,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:14:58,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:14:58,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:14:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:58,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:14:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:58,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:58,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:58,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:14:58,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:14:58,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:14:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:58,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:58,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:58,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:14:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 21:14:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:14:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:14:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:58,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:14:58,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:58,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:14:58,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:14:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:14:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 21:14:58,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 21:14:58,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 21:14:58,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 21:14:58,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:14:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-09-04 21:14:58,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:14:58,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:14:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:14:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:14:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:14:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-09-04 21:14:58,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:58,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-09-04 21:14:58,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:14:59,257 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-09-04 21:14:59,258 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680499826] [2020-09-04 21:14:59,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:14:59,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:14:59,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825318772] [2020-09-04 21:14:59,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:14:59,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:14:59,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:14:59,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:14:59,260 INFO L87 Difference]: Start difference. First operand 3301 states and 3576 transitions. Second operand 19 states. [2020-09-04 21:14:59,966 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:01,983 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:03,003 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:03,355 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:04,019 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:15:04,370 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:04,989 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:15:05,326 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:05,927 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:15:06,601 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:15:07,418 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:15:08,037 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:15:08,336 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:11,341 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:11,696 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:13,423 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:14,670 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:15,017 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:15,634 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:15:15,946 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:15:16,578 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:15:17,504 WARN L193 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:15:18,104 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:15:18,449 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:15:18,823 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:15:19,160 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:15:25,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:15:25,650 INFO L93 Difference]: Finished difference Result 8891 states and 10524 transitions. [2020-09-04 21:15:25,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-09-04 21:15:25,650 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 553 [2020-09-04 21:15:25,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:15:25,676 INFO L225 Difference]: With dead ends: 8891 [2020-09-04 21:15:25,676 INFO L226 Difference]: Without dead ends: 6982 [2020-09-04 21:15:25,687 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 180 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5700 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-09-04 21:15:25,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6982 states. [2020-09-04 21:15:27,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6982 to 4064. [2020-09-04 21:15:27,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4064 states. [2020-09-04 21:15:27,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 4064 states and 4391 transitions. [2020-09-04 21:15:27,201 INFO L78 Accepts]: Start accepts. Automaton has 4064 states and 4391 transitions. Word has length 553 [2020-09-04 21:15:27,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:15:27,202 INFO L479 AbstractCegarLoop]: Abstraction has 4064 states and 4391 transitions. [2020-09-04 21:15:27,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:15:27,202 INFO L276 IsEmpty]: Start isEmpty. Operand 4064 states and 4391 transitions. [2020-09-04 21:15:27,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-09-04 21:15:27,215 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:15:27,216 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:15:27,216 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:15:27,216 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:15:27,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:15:27,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1879765246, now seen corresponding path program 3 times [2020-09-04 21:15:27,217 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:15:27,218 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1979665215] [2020-09-04 21:15:27,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:15:27,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,719 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:15:27,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:27,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:15:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:15:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:15:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:15:27,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:15:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:15:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:15:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:15:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:27,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:27,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:27,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:27,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:27,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:15:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:15:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:15:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:27,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:27,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:27,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 21:15:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:15:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:15:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:27,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:27,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:27,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:27,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:27,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:27,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 21:15:27,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 21:15:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:27,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 21:15:27,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:28,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:28,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:28,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:15:28,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-09-04 21:15:28,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-09-04 21:15:28,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-09-04 21:15:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:28,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-09-04 21:15:28,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:28,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:28,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:28,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:28,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:28,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:28,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-09-04 21:15:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-09-04 21:15:28,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 255 proven. 5 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2020-09-04 21:15:28,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1979665215] [2020-09-04 21:15:28,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:15:28,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:15:28,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178086808] [2020-09-04 21:15:28,379 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:15:28,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:15:28,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:15:28,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:15:28,379 INFO L87 Difference]: Start difference. First operand 4064 states and 4391 transitions. Second operand 18 states. [2020-09-04 21:15:29,097 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:30,170 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:31,440 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:32,408 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:32,752 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:33,399 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:15:33,744 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:15:34,344 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:15:34,679 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:15:35,255 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:15:43,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:15:43,080 INFO L93 Difference]: Finished difference Result 8364 states and 9629 transitions. [2020-09-04 21:15:43,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-09-04 21:15:43,081 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 640 [2020-09-04 21:15:43,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:15:43,106 INFO L225 Difference]: With dead ends: 8364 [2020-09-04 21:15:43,106 INFO L226 Difference]: Without dead ends: 5747 [2020-09-04 21:15:43,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 171 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1755 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1049, Invalid=4207, Unknown=0, NotChecked=0, Total=5256 [2020-09-04 21:15:43,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5747 states. [2020-09-04 21:15:44,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5747 to 3838. [2020-09-04 21:15:44,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3838 states. [2020-09-04 21:15:44,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 4113 transitions. [2020-09-04 21:15:44,571 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 4113 transitions. Word has length 640 [2020-09-04 21:15:44,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:15:44,571 INFO L479 AbstractCegarLoop]: Abstraction has 3838 states and 4113 transitions. [2020-09-04 21:15:44,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:15:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 4113 transitions. [2020-09-04 21:15:44,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-09-04 21:15:44,580 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:15:44,581 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:15:44,581 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 21:15:44,581 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:15:44,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:15:44,582 INFO L82 PathProgramCache]: Analyzing trace with hash 622944476, now seen corresponding path program 2 times [2020-09-04 21:15:44,582 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:15:44,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2042705555] [2020-09-04 21:15:44,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:15:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,047 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:15:45,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:15:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:15:45,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:15:45,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:15:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:15:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:15:45,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:15:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:15:45,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:15:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:15:45,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:15:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:15:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:45,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 21:15:45,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:15:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:15:45,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:45,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:15:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:45,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 21:15:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 21:15:45,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 21:15:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:15:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:15:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:15:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:15:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-09-04 21:15:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-09-04 21:15:45,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-09-04 21:15:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-09-04 21:15:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:15:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2020-09-04 21:15:45,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:15:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:15:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:15:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:45,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:15:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:15:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2020-09-04 21:15:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-09-04 21:15:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:15:45,769 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 249 proven. 13 refuted. 0 times theorem prover too weak. 680 trivial. 0 not checked. [2020-09-04 21:15:45,769 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2042705555] [2020-09-04 21:15:45,769 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:15:45,769 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-04 21:15:45,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1750210188] [2020-09-04 21:15:45,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:15:45,770 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:15:45,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:15:45,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:15:45,771 INFO L87 Difference]: Start difference. First operand 3838 states and 4113 transitions. Second operand 15 states. [2020-09-04 21:15:46,452 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:47,303 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:15:48,429 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:15:53,246 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:16:00,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:16:00,138 INFO L93 Difference]: Finished difference Result 9133 states and 10536 transitions. [2020-09-04 21:16:00,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-09-04 21:16:00,139 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 655 [2020-09-04 21:16:00,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:16:00,156 INFO L225 Difference]: With dead ends: 9133 [2020-09-04 21:16:00,156 INFO L226 Difference]: Without dead ends: 6742 [2020-09-04 21:16:00,164 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 193 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2635 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=1284, Invalid=6026, Unknown=0, NotChecked=0, Total=7310 [2020-09-04 21:16:00,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2020-09-04 21:16:01,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 4342. [2020-09-04 21:16:01,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4342 states. [2020-09-04 21:16:01,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4342 states to 4342 states and 4652 transitions. [2020-09-04 21:16:01,824 INFO L78 Accepts]: Start accepts. Automaton has 4342 states and 4652 transitions. Word has length 655 [2020-09-04 21:16:01,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:16:01,825 INFO L479 AbstractCegarLoop]: Abstraction has 4342 states and 4652 transitions. [2020-09-04 21:16:01,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:16:01,825 INFO L276 IsEmpty]: Start isEmpty. Operand 4342 states and 4652 transitions. [2020-09-04 21:16:01,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-09-04 21:16:01,833 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:16:01,834 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:16:01,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-04 21:16:01,834 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:16:01,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:16:01,834 INFO L82 PathProgramCache]: Analyzing trace with hash 84137668, now seen corresponding path program 1 times [2020-09-04 21:16:01,834 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:16:01,834 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1116176143] [2020-09-04 21:16:01,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:16:01,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,363 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:16:02,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:02,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:16:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:16:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:16:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:16:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:16:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:16:02,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:16:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:16:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:02,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:02,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:02,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:02,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:02,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:02,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:02,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 21:16:02,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:02,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 21:16:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 21:16:02,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:02,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:02,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:02,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:02,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:02,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:02,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:16:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 21:16:02,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 21:16:02,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 21:16:02,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:16:02,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:02,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:02,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:02,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:16:02,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:16:02,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:02,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:02,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:02,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 21:16:02,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 21:16:03,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 21:16:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 21:16:03,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:16:03,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:16:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:03,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:16:03,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-09-04 21:16:03,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-09-04 21:16:03,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-09-04 21:16:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:16:03,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2020-09-04 21:16:03,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:16:03,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:16:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:16:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:16:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:16:03,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2020-09-04 21:16:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-09-04 21:16:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:16:03,559 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 164 proven. 135 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2020-09-04 21:16:03,559 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1116176143] [2020-09-04 21:16:03,559 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:16:03,560 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26] total 26 [2020-09-04 21:16:03,560 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115029496] [2020-09-04 21:16:03,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-04 21:16:03,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:16:03,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-04 21:16:03,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2020-09-04 21:16:03,561 INFO L87 Difference]: Start difference. First operand 4342 states and 4652 transitions. Second operand 26 states. [2020-09-04 21:16:04,538 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:16:06,021 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:16:08,800 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:16:09,489 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:16:10,210 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:16:10,881 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:16:11,551 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 21:16:12,222 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:16:12,869 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:16:13,556 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:16:14,319 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-04 21:16:14,927 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:16:18,989 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 21:16:20,277 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 21:16:20,926 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 21:16:21,587 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:16:22,273 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 21:16:22,915 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 21:16:27,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:16:27,211 INFO L93 Difference]: Finished difference Result 8256 states and 9277 transitions. [2020-09-04 21:16:27,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-09-04 21:16:27,212 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 655 [2020-09-04 21:16:27,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:16:27,216 INFO L225 Difference]: With dead ends: 8256 [2020-09-04 21:16:27,216 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:16:27,233 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 176 SyntacticMatches, 11 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2788 ImplicationChecksByTransitivity, 13.9s TimeCoverageRelationStatistics Valid=1305, Invalid=7437, Unknown=0, NotChecked=0, Total=8742 [2020-09-04 21:16:27,233 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:16:27,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:16:27,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:16:27,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:16:27,235 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 655 [2020-09-04 21:16:27,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:16:27,236 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:16:27,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-04 21:16:27,236 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:16:27,236 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:16:27,236 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-04 21:16:27,239 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:17:00,267 WARN L193 SmtUtils]: Spent 32.98 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-09-04 21:17:00,650 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:01,039 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:02,461 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 21:17:02,846 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:03,235 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:04,578 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 21:17:05,247 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:17:05,643 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:06,297 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:17:06,684 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:17:07,079 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:17:07,688 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:17:08,292 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:17:09,231 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:17:09,627 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:10,011 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:10,419 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:11,311 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:17:12,197 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:17:12,592 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:17:13,507 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:17:13,903 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:17:14,298 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:17:14,699 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:15,370 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:17:15,759 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:16,162 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:16,536 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:16,932 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:17,334 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:17,737 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:18,141 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:18,537 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:19,215 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:17:19,727 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:20,149 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:17:20,565 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:17:20,997 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:17:21,415 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:17:21,826 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:17:22,235 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:22,646 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:17:23,869 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 248 DAG size of output: 238 [2020-09-04 21:17:24,287 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:17:24,689 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:25,104 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:17:26,354 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:17:26,766 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:17:27,178 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:17:27,597 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:17:28,019 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:17:28,439 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:17:28,858 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:17:29,270 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:17:29,672 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:17:30,090 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:17:30,746 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:17:31,354 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:17:31,739 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:17:32,686 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:17:33,288 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:17:33,670 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:34,588 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:17:36,006 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 21:17:36,378 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:36,762 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:37,138 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:37,816 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:17:38,710 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:17:40,050 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 21:17:40,938 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:17:41,612 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:17:41,984 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:42,656 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:17:43,110 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:17:43,559 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 21:17:43,984 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:17:44,413 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 21:17:44,844 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:17:45,271 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 21:17:45,697 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 21:17:46,127 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:17:46,507 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:46,883 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:12,354 WARN L193 SmtUtils]: Spent 25.47 s on a formula simplification. DAG size of input: 1319 DAG size of output: 962 [2020-09-04 21:18:12,868 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:18:13,374 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:18:13,875 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:18:14,611 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 21:18:15,346 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 21:18:16,057 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 249 [2020-09-04 21:18:16,844 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2020-09-04 21:18:17,345 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:18:18,092 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 244 [2020-09-04 21:18:19,754 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 287 DAG size of output: 259 [2020-09-04 21:18:20,488 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 21:18:21,234 WARN L193 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 244 [2020-09-04 21:18:22,002 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 21:18:23,486 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-09-04 21:18:23,998 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:18:24,792 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 249 [2020-09-04 21:18:25,553 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 21:18:26,054 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:18:26,812 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 21:18:27,596 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2020-09-04 21:18:28,346 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 21:18:29,090 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 244 [2020-09-04 21:18:29,601 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:18:30,114 WARN L193 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:18:30,487 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:18:32,783 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:33,177 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:33,567 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:34,481 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:18:34,857 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:35,237 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:18:35,914 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:18:36,302 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:37,195 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:18:38,610 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 21:18:39,495 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:18:39,880 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:18:40,251 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:40,926 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:18:42,269 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 21:18:42,666 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:43,040 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:43,708 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:18:44,366 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:18:44,755 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:45,362 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:18:45,746 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:46,348 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:18:47,289 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:18:47,685 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:48,083 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:48,533 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:48,922 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:49,318 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:49,718 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:50,115 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:50,512 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:50,896 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:18:51,280 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:18:51,675 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:52,062 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:52,451 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:52,847 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:53,246 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:18:53,641 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:54,032 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:54,420 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:54,797 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:55,183 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:18:55,559 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:55,954 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:18:56,359 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:18:57,362 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 241 DAG size of output: 235 [2020-09-04 21:18:57,786 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:58,167 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:58,569 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:18:58,955 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:18:59,950 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:19:00,346 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:00,734 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:01,125 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:01,524 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:01,911 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:02,319 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:03,409 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:19:03,800 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:04,177 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:04,573 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:04,949 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:05,319 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:05,711 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:06,113 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:07,106 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:19:07,494 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:07,893 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:08,280 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:08,667 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:09,081 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:09,475 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:10,183 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:19:10,726 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:11,324 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:19:11,715 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:12,102 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:12,478 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:12,864 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:13,243 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:13,631 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:15,250 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-09-04 21:19:15,645 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:16,434 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:19:17,303 WARN L193 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 234 [2020-09-04 21:19:17,692 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:18,534 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 239 [2020-09-04 21:19:18,913 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:20,227 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:19:20,964 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:21,502 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:19:21,883 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:23,873 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-09-04 21:19:24,266 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:24,646 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:25,030 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:27,031 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-09-04 21:19:27,713 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:19:28,108 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:19:28,495 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:30,131 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-09-04 21:19:30,511 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:30,902 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:31,308 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:32,718 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:19:33,117 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:33,505 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:33,889 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:35,576 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-09-04 21:19:36,334 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 21:19:36,727 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:37,274 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:19:37,671 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:38,047 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:38,416 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:39,193 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 21:19:39,591 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:39,991 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:40,379 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:40,767 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:41,155 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:19:41,549 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:41,923 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:19:42,308 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:42,978 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:19:43,374 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:43,772 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:44,169 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:44,554 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:19:44,939 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:45,333 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:46,114 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-09-04 21:19:46,907 WARN L193 SmtUtils]: Spent 785.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 21:19:47,296 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:47,672 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:48,074 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:19:48,461 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:19:48,835 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:49,242 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:49,652 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:50,652 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:19:51,057 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:52,147 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:19:52,548 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:52,954 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:53,368 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:54,372 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:19:55,468 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:19:55,869 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:56,277 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:56,751 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 21:19:57,190 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:19:57,621 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:19:58,076 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:19:58,538 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 21:19:59,664 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2020-09-04 21:20:00,115 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:20:00,577 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:20:00,995 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:01,445 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:20:01,886 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:20:02,346 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 21:20:03,399 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 258 DAG size of output: 254 [2020-09-04 21:20:04,164 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:20:05,057 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-09-04 21:20:05,511 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:20:05,929 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:06,368 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:20:06,818 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:20:07,258 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:20:07,709 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:20:09,704 WARN L193 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 253 DAG size of output: 252 [2020-09-04 21:20:10,130 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:11,219 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2020-09-04 21:20:12,734 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 262 DAG size of output: 258 [2020-09-04 21:20:13,152 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:14,368 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 250 DAG size of output: 245 [2020-09-04 21:20:14,815 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:20:17,175 WARN L193 SmtUtils]: Spent 2.36 s on a formula simplification. DAG size of input: 258 DAG size of output: 256 [2020-09-04 21:20:18,030 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:20:18,854 WARN L193 SmtUtils]: Spent 822.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-09-04 21:20:19,297 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:21,174 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 275 DAG size of output: 262 [2020-09-04 21:20:21,630 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:20:22,073 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:22,519 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:20:25,080 WARN L193 SmtUtils]: Spent 2.56 s on a formula simplification. DAG size of input: 259 DAG size of output: 257 [2020-09-04 21:20:26,101 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 259 DAG size of output: 255 [2020-09-04 21:20:26,526 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:20:26,975 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:20:28,836 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 277 DAG size of output: 260 [2020-09-04 21:20:29,247 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:20:29,701 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:20:30,173 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-09-04 21:20:31,893 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-09-04 21:20:32,324 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:32,775 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:20:33,220 WARN L193 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:35,487 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-09-04 21:20:36,597 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 248 DAG size of output: 238 [2020-09-04 21:20:37,019 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:37,782 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:20:38,210 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:20:38,648 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:20:39,079 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:20:40,206 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:20:40,667 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 21:20:41,131 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-09-04 21:20:41,550 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:20:42,001 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:20:42,452 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:20:42,910 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:20:43,350 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:20:43,799 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:20:44,661 WARN L193 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 21:20:45,088 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:20:45,516 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:20:45,977 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 21:20:46,424 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:20:46,870 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:20:47,329 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 21:20:48,475 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 21:20:49,640 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 21:20:50,091 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:20:50,530 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:20:50,995 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 21:20:51,444 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:20:52,089 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:20:52,744 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:20:53,447 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 21:20:54,088 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:20:54,733 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:20:55,365 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:20:55,997 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:20:57,979 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 270 DAG size of output: 237 [2020-09-04 21:20:58,622 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:20:59,312 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:21:00,017 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 21:21:00,660 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:21:02,574 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 272 DAG size of output: 238 [2020-09-04 21:21:03,204 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:21:03,862 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:21:04,560 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:21:05,146 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:21:05,538 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:05,927 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:06,841 WARN L193 SmtUtils]: Spent 912.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:21:07,217 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:07,659 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:08,335 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:21:08,722 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:09,615 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:21:11,027 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 21:21:11,913 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:21:12,297 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:12,668 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:13,341 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:21:14,680 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 21:21:15,076 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:21:15,449 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:16,118 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:21:16,777 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:21:17,166 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:17,773 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:21:18,157 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:21:18,758 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:21:19,696 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:21:20,091 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:21:20,489 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:21:20,926 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:21,362 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:21,804 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:22,250 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:21:22,693 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:21:23,136 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:21:23,566 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:21:23,996 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:21:24,437 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:21:24,870 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:25,304 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:25,747 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:21:26,194 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:21:26,635 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:21:27,073 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:27,506 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:27,927 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:21:28,359 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:21:28,781 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:21:29,221 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:21:29,671 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:30,661 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 243 [2020-09-04 21:21:31,128 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:21:31,554 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:21:32,003 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:21:32,434 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:21:33,725 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-09-04 21:21:34,167 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:21:34,600 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:35,033 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:21:35,478 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:21:35,910 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:21:36,364 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:21:37,453 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 255 DAG size of output: 245 [2020-09-04 21:21:37,890 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:21:38,272 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:40,024 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-09-04 21:21:40,844 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:21:41,797 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:21:43,841 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 254 DAG size of output: 248 [2020-09-04 21:21:44,477 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:21:45,279 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:21:45,675 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:21:46,363 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 21:21:47,163 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 21:21:47,841 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 21:21:48,806 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:21:49,443 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-09-04 21:21:50,239 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:21:50,882 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:21:51,533 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:21:52,331 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:21:53,143 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:21:53,772 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:21:54,581 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:21:56,666 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-09-04 21:21:57,496 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:21:58,288 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 231 [2020-09-04 21:21:58,934 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 21:21:59,984 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 21:22:00,380 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:22:01,113 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:22:02,088 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 21:22:02,956 WARN L193 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 21:22:03,938 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 21:22:05,698 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 21:22:06,524 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:22:07,154 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-09-04 21:22:07,806 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:22:09,751 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 264 DAG size of output: 246 [2020-09-04 21:22:10,388 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:22:11,198 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:22:12,006 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:22:12,643 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:22:14,804 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 258 DAG size of output: 253 [2020-09-04 21:22:15,598 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:22:16,248 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:22:17,158 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-09-04 21:22:17,561 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:22:17,949 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:22:18,602 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:22:20,797 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-09-04 21:22:21,483 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 235 [2020-09-04 21:22:22,292 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:22:23,467 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:22:24,118 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:22:24,749 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:22:27,538 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-09-04 21:22:28,357 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:22:29,307 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:22:31,349 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 254 DAG size of output: 248 [2020-09-04 21:22:31,985 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:22:32,790 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:22:33,188 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:22:33,912 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 21:22:34,715 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 21:22:35,394 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 21:22:36,360 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:22:36,997 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-09-04 21:22:37,793 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:22:38,436 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:22:39,086 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:22:39,881 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:22:40,694 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:22:41,323 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:22:42,133 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:22:44,219 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-09-04 21:22:45,049 WARN L193 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:22:45,842 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 231 [2020-09-04 21:22:46,487 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 21:22:47,538 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 21:22:47,933 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:22:48,667 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:22:49,643 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 21:22:50,447 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 21:22:51,493 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 21:22:53,254 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 21:22:54,082 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:22:54,711 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-09-04 21:22:55,362 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:22:57,308 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 264 DAG size of output: 246 [2020-09-04 21:22:57,945 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:22:58,757 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:22:59,565 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:23:00,200 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:23:02,362 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 258 DAG size of output: 253 [2020-09-04 21:23:03,156 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:23:03,808 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:23:04,717 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-09-04 21:23:05,120 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:23:05,508 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:06,159 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:23:08,354 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-09-04 21:23:09,042 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 235 [2020-09-04 21:23:09,850 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 21:23:11,021 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:23:11,672 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 21:23:12,302 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 21:23:12,686 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:23:13,070 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:23:13,465 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:13,869 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:23:14,267 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:14,654 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:15,041 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:15,436 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:15,821 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:23:16,197 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:23:16,585 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:16,962 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:23:17,350 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:17,747 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:18,142 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:19,162 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 241 DAG size of output: 235 [2020-09-04 21:23:19,582 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:23:19,970 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:23:20,366 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:20,763 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:21,151 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:23:22,143 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:23:22,543 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:23:22,929 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:23:23,319 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:23,726 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:23:24,119 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:24,508 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:24,895 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:25,284 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:26,373 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:23:26,767 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:23:27,166 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:27,562 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:27,957 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:23:28,374 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:23:28,809 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:23:29,245 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:23:29,683 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:23:30,116 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:23:30,543 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:23:30,962 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:23:31,387 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:23:32,637 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 251 DAG size of output: 241 [2020-09-04 21:23:33,071 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:23:33,488 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:23:33,916 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:23:35,183 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-09-04 21:23:35,608 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:23:36,034 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:23:36,467 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:23:36,903 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:23:37,338 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:23:37,771 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:23:38,197 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:23:38,614 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:23:39,046 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:23:39,493 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:23:39,927 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:23:40,387 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:23:40,854 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 21:23:41,296 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:23:42,678 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-09-04 21:23:43,111 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:23:43,552 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:23:44,007 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:23:45,534 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-09-04 21:23:46,004 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:23:46,454 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:23:46,906 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 21:23:47,373 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 21:23:47,815 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:23:48,257 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:23:49,005 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:23:49,661 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:23:50,269 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:23:50,645 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:23:51,029 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:23:51,950 WARN L193 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:23:52,319 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:23:53,260 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:23:53,861 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:23:55,271 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 21:23:55,655 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:23:56,999 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 21:23:57,381 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:23:58,059 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:23:58,431 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:23:59,323 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:24:00,211 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:24:00,884 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:24:09,973 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:24:10,168 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 21:24:10,361 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 21:24:11,079 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 21:24:11,791 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 21:24:12,045 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 21:24:12,299 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 21:24:12,496 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 32 [2020-09-04 21:24:12,693 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 32 [2020-09-04 21:24:13,400 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:24:14,105 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:24:14,361 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 21:24:14,616 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 21:24:15,327 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 21:24:16,037 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 21:24:16,242 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 21:24:16,443 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 21:24:17,152 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 21:24:17,858 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:24:18,566 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 21:24:19,271 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:24:19,531 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2020-09-04 21:24:19,791 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2020-09-04 21:24:19,984 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 21:24:20,176 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 21:24:20,381 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 21:24:20,582 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 21:24:20,814 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 33 [2020-09-04 21:24:21,069 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 21:24:21,301 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 33 [2020-09-04 21:24:21,505 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 29 [2020-09-04 21:24:21,710 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 29 [2020-09-04 21:24:21,911 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 21:24:22,112 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 21:24:22,831 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 21:24:23,550 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:24:24,269 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:24:24,977 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 21:24:25,272 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 21:24:25,530 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 21:24:26,236 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:24:26,940 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:24:27,675 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:24:28,393 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:24:28,653 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2020-09-04 21:24:28,859 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 30 [2020-09-04 21:24:29,119 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2020-09-04 21:24:29,320 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 30 [2020-09-04 21:24:29,591 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 33 [2020-09-04 21:24:29,861 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 33 [2020-09-04 21:24:30,062 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 21:24:30,264 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 21:24:30,971 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:24:31,687 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 21:24:32,392 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 21:24:32,791 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:33,187 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:24:33,588 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:24:33,999 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:24:34,402 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:24:35,394 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 21:24:35,782 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:36,184 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:24:36,571 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:36,966 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:24:37,361 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:24:37,760 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:24:38,849 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:24:39,244 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:24:39,638 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:24:40,052 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:24:40,440 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:24:40,841 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:24:41,247 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:24:41,642 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:24:42,044 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:24:42,440 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:24:42,845 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:24:43,250 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:24:43,665 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:24:44,082 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:24:44,501 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:24:44,909 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:24:45,317 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:24:45,733 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:24:46,140 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:24:46,537 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:24:46,960 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:24:47,357 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:24:47,780 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:24:48,197 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:24:48,607 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:24:49,791 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:24:50,215 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:24:50,621 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:24:51,038 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:24:51,456 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:24:51,865 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:24:52,712 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 237 [2020-09-04 21:24:53,120 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:24:53,527 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:24:53,952 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:24:54,373 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:24:54,786 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:24:55,209 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:24:55,617 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:24:56,027 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:24:57,183 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 253 DAG size of output: 239 [2020-09-04 21:24:57,585 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:24:58,020 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:24:58,438 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:24:58,869 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:24:59,274 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:24:59,679 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:25:00,094 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:25:00,512 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:25:00,931 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:25:01,340 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:25:01,748 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:25:02,165 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:25:02,571 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:25:02,969 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:25:03,393 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:03,791 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:25:04,215 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:04,632 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:25:05,042 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:25:06,230 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 21:25:06,659 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:25:07,079 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:25:07,496 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:25:07,914 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:25:08,323 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:25:09,172 WARN L193 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 237 [2020-09-04 21:25:09,579 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:25:09,986 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:25:10,411 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:10,833 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:25:11,245 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:25:11,671 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:12,080 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:25:12,491 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:25:13,646 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 253 DAG size of output: 239 [2020-09-04 21:25:14,049 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:25:14,484 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:25:14,901 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:25:15,332 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:25:15,760 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:25:16,189 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:25:16,628 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:17,059 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 236 [2020-09-04 21:25:17,501 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:17,932 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:25:18,363 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:25:18,802 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:19,231 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:25:19,650 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:25:20,118 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 21:25:20,538 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:25:21,005 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 21:25:21,446 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:25:21,872 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:25:23,228 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 253 DAG size of output: 240 [2020-09-04 21:25:23,659 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:25:24,088 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:25:24,528 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:24,969 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:25,401 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:25:26,299 WARN L193 SmtUtils]: Spent 896.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-09-04 21:25:26,714 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:25:27,144 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:25:27,612 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 21:25:28,045 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 21:25:28,481 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:25:28,949 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 21:25:29,380 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:25:29,813 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:25:31,108 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2020-09-04 21:25:31,518 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:25:31,998 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 245 [2020-09-04 21:25:32,439 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:25:32,914 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 245 [2020-09-04 21:25:33,306 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231