/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 -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 15:46:19,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 15:46:19,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 15:46:19,165 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 15:46:19,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 15:46:19,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 15:46:19,176 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 15:46:19,180 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 15:46:19,182 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 15:46:19,185 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 15:46:19,186 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 15:46:19,187 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 15:46:19,187 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 15:46:19,189 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 15:46:19,192 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 15:46:19,193 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 15:46:19,195 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 15:46:19,196 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 15:46:19,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 15:46:19,205 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 15:46:19,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 15:46:19,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 15:46:19,210 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 15:46:19,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 15:46:19,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 15:46:19,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 15:46:19,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 15:46:19,228 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 15:46:19,229 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 15:46:19,233 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 15:46:19,233 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 15:46:19,234 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 15:46:19,235 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 15:46:19,235 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 15:46:19,236 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 15:46:19,237 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 15:46:19,239 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 15:46:19,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 15:46:19,240 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 15:46:19,241 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 15:46:19,241 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 15:46:19,242 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 15:46:19,253 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 15:46:19,253 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 15:46:19,255 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 15:46:19,255 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 15:46:19,255 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 15:46:19,255 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 15:46:19,256 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 15:46:19,256 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 15:46:19,256 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 15:46:19,256 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 15:46:19,256 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 15:46:19,257 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 15:46:19,257 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 15:46:19,257 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 15:46:19,257 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 15:46:19,257 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 15:46:19,258 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 15:46:19,258 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 15:46:19,258 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 15:46:19,258 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 15:46:19,258 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 15:46:19,259 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 15:46:19,259 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 15:46:19,657 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 15:46:19,673 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 15:46:19,677 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 15:46:19,679 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 15:46:19,679 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 15:46:19,680 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-04 15:46:19,766 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4f72703d/f4ba093b022a42e9b799059b70255fd1/FLAG8f4fbe9dd [2020-09-04 15:46:20,335 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 15:46:20,336 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-09-04 15:46:20,354 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4f72703d/f4ba093b022a42e9b799059b70255fd1/FLAG8f4fbe9dd [2020-09-04 15:46:20,637 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a4f72703d/f4ba093b022a42e9b799059b70255fd1 [2020-09-04 15:46:20,651 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 15:46:20,653 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 15:46:20,657 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 15:46:20,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 15:46:20,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 15:46:20,663 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:46:20" (1/1) ... [2020-09-04 15:46:20,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6cae7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:20, skipping insertion in model container [2020-09-04 15:46:20,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:46:20" (1/1) ... [2020-09-04 15:46:20,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 15:46:20,754 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 15:46:21,104 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:46:21,123 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 15:46:21,321 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:46:21,361 INFO L208 MainTranslator]: Completed translation [2020-09-04 15:46:21,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21 WrapperNode [2020-09-04 15:46:21,361 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 15:46:21,362 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 15:46:21,362 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 15:46:21,362 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 15:46:21,376 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21" (1/1) ... [2020-09-04 15:46:21,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21" (1/1) ... [2020-09-04 15:46:21,398 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21" (1/1) ... [2020-09-04 15:46:21,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21" (1/1) ... [2020-09-04 15:46:21,428 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21" (1/1) ... [2020-09-04 15:46:21,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21" (1/1) ... [2020-09-04 15:46:21,444 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21" (1/1) ... [2020-09-04 15:46:21,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 15:46:21,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 15:46:21,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 15:46:21,452 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 15:46:21,453 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21" (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 15:46:21,526 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 15:46:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 15:46:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 15:46:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:46:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:46:21,527 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:46:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 15:46:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 15:46:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 15:46:21,528 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 15:46:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 15:46:21,529 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 15:46:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 15:46:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 15:46:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 15:46:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 15:46:21,530 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 15:46:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 15:46:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 15:46:21,531 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 15:46:21,532 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 15:46:21,533 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 15:46:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 15:46:21,535 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 15:46:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 15:46:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 15:46:21,536 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 15:46:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 15:46:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 15:46:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 15:46:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 15:46:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 15:46:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 15:46:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-09-04 15:46:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 15:46:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 15:46:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 15:46:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 15:46:21,539 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 15:46:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 15:46:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 15:46:21,540 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 15:46:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 15:46:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 15:46:21,540 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 15:46:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 15:46:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 15:46:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 15:46:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:46:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:46:21,541 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:46:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 15:46:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 15:46:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 15:46:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 15:46:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 15:46:21,542 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 15:46:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 15:46:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 15:46:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 15:46:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 15:46:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 15:46:21,543 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 15:46:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 15:46:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 15:46:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 15:46:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 15:46:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 15:46:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 15:46:21,544 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 15:46:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 15:46:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 15:46:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 15:46:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 15:46:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 15:46:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 15:46:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 15:46:21,545 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 15:46:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 15:46:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 15:46:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 15:46:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 15:46:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 15:46:21,546 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 15:46:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 15:46:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 15:46:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 15:46:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 15:46:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 15:46:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 15:46:21,547 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 15:46:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 15:46:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 15:46:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 15:46:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-09-04 15:46:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 15:46:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 15:46:21,548 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 15:46:22,666 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 15:46:22,667 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 15:46:22,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:46:22 BoogieIcfgContainer [2020-09-04 15:46:22,674 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 15:46:22,675 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 15:46:22,675 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 15:46:22,679 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 15:46:22,679 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 03:46:20" (1/3) ... [2020-09-04 15:46:22,680 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3497b52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:46:22, skipping insertion in model container [2020-09-04 15:46:22,680 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:46:21" (2/3) ... [2020-09-04 15:46:22,681 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3497b52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:46:22, skipping insertion in model container [2020-09-04 15:46:22,681 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:46:22" (3/3) ... [2020-09-04 15:46:22,683 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-09-04 15:46:22,695 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 15:46:22,706 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 15:46:22,728 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 15:46:22,756 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 15:46:22,756 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 15:46:22,756 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 15:46:22,756 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 15:46:22,757 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 15:46:22,757 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 15:46:22,757 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 15:46:22,757 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 15:46:22,784 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states. [2020-09-04 15:46:22,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 15:46:22,806 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:46:22,808 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] [2020-09-04 15:46:22,808 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:46:22,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:46:22,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1445921999, now seen corresponding path program 1 times [2020-09-04 15:46:22,827 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:46:22,828 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1781173460] [2020-09-04 15:46:22,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:46:22,905 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:46:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,576 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:46:23,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:46:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:46:23,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:46:23,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:46:23,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:46:23,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 15:46:23,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:23,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 15:46:23,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 15:46:23,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:23,778 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 15:46:23,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1781173460] [2020-09-04 15:46:23,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:46:23,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 15:46:23,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1856534091] [2020-09-04 15:46:23,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 15:46:23,791 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:46:23,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 15:46:23,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 15:46:23,812 INFO L87 Difference]: Start difference. First operand 332 states. Second operand 4 states. [2020-09-04 15:46:25,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:46:25,257 INFO L93 Difference]: Finished difference Result 525 states and 615 transitions. [2020-09-04 15:46:25,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 15:46:25,259 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 15:46:25,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:46:25,283 INFO L225 Difference]: With dead ends: 525 [2020-09-04 15:46:25,283 INFO L226 Difference]: Without dead ends: 329 [2020-09-04 15:46:25,289 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 15:46:25,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-09-04 15:46:25,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 281. [2020-09-04 15:46:25,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 281 states. [2020-09-04 15:46:25,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 306 transitions. [2020-09-04 15:46:25,434 INFO L78 Accepts]: Start accepts. Automaton has 281 states and 306 transitions. Word has length 160 [2020-09-04 15:46:25,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:46:25,435 INFO L479 AbstractCegarLoop]: Abstraction has 281 states and 306 transitions. [2020-09-04 15:46:25,435 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 15:46:25,436 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 306 transitions. [2020-09-04 15:46:25,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 15:46:25,441 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:46:25,441 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 15:46:25,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 15:46:25,442 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:46:25,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:46:25,443 INFO L82 PathProgramCache]: Analyzing trace with hash -345471189, now seen corresponding path program 1 times [2020-09-04 15:46:25,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:46:25,443 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389636505] [2020-09-04 15:46:25,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:46:25,447 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:46:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:25,914 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:46:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:25,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:46:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:25,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:46:25,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:25,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:46:25,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:25,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:46:25,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:26,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:46:26,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:26,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:46:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:26,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:26,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:46:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:26,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:46:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:26,042 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 15:46:26,042 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389636505] [2020-09-04 15:46:26,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:46:26,043 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 15:46:26,043 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089358562] [2020-09-04 15:46:26,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 15:46:26,046 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:46:26,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 15:46:26,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 15:46:26,046 INFO L87 Difference]: Start difference. First operand 281 states and 306 transitions. Second operand 5 states. [2020-09-04 15:46:26,782 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:28,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:46:28,001 INFO L93 Difference]: Finished difference Result 450 states and 507 transitions. [2020-09-04 15:46:28,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 15:46:28,005 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 15:46:28,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:46:28,010 INFO L225 Difference]: With dead ends: 450 [2020-09-04 15:46:28,012 INFO L226 Difference]: Without dead ends: 318 [2020-09-04 15:46:28,015 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 15:46:28,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-04 15:46:28,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 271. [2020-09-04 15:46:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-04 15:46:28,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 293 transitions. [2020-09-04 15:46:28,104 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 293 transitions. Word has length 161 [2020-09-04 15:46:28,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:46:28,105 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 293 transitions. [2020-09-04 15:46:28,105 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 15:46:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 293 transitions. [2020-09-04 15:46:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 15:46:28,107 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:46:28,107 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 15:46:28,107 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 15:46:28,108 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:46:28,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:46:28,108 INFO L82 PathProgramCache]: Analyzing trace with hash 527888294, now seen corresponding path program 1 times [2020-09-04 15:46:28,108 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:46:28,108 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1214246029] [2020-09-04 15:46:28,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:46:28,110 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:46:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,562 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:46:28,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:28,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:46:28,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:46:28,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:46:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:46:28,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:46:28,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:46:28,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:46:28,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:28,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 15:46:28,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 15:46:28,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:28,851 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 15:46:28,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1214246029] [2020-09-04 15:46:28,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:46:28,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:46:28,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1409569244] [2020-09-04 15:46:28,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:46:28,855 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:46:28,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:46:28,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:46:28,856 INFO L87 Difference]: Start difference. First operand 271 states and 293 transitions. Second operand 11 states. [2020-09-04 15:46:29,597 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:46:29,952 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:46:30,303 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:46:30,622 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:30,943 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:46:31,248 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:33,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:46:33,329 INFO L93 Difference]: Finished difference Result 497 states and 572 transitions. [2020-09-04 15:46:33,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 15:46:33,329 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 15:46:33,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:46:33,333 INFO L225 Difference]: With dead ends: 497 [2020-09-04 15:46:33,334 INFO L226 Difference]: Without dead ends: 341 [2020-09-04 15:46:33,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-09-04 15:46:33,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2020-09-04 15:46:33,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 271. [2020-09-04 15:46:33,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 271 states. [2020-09-04 15:46:33,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 271 states and 292 transitions. [2020-09-04 15:46:33,425 INFO L78 Accepts]: Start accepts. Automaton has 271 states and 292 transitions. Word has length 174 [2020-09-04 15:46:33,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:46:33,427 INFO L479 AbstractCegarLoop]: Abstraction has 271 states and 292 transitions. [2020-09-04 15:46:33,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:46:33,428 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 292 transitions. [2020-09-04 15:46:33,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-04 15:46:33,432 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:46:33,432 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 15:46:33,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 15:46:33,433 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:46:33,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:46:33,433 INFO L82 PathProgramCache]: Analyzing trace with hash -59747891, now seen corresponding path program 1 times [2020-09-04 15:46:33,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:46:33,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628417372] [2020-09-04 15:46:33,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:46:33,436 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:46:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:33,851 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:46:33,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:33,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:33,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:46:33,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:33,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:46:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:33,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:46:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:33,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:46:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:33,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:46:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:33,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:46:33,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:33,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:46:33,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:33,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:33,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:34,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:46:34,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:34,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:34,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:34,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-04 15:46:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:34,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-04 15:46:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:34,095 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 15:46:34,096 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628417372] [2020-09-04 15:46:34,096 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:46:34,096 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:46:34,097 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806504480] [2020-09-04 15:46:34,097 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:46:34,098 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:46:34,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:46:34,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:46:34,100 INFO L87 Difference]: Start difference. First operand 271 states and 292 transitions. Second operand 8 states. [2020-09-04 15:46:34,642 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:46:36,823 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:37,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:46:37,479 INFO L93 Difference]: Finished difference Result 699 states and 829 transitions. [2020-09-04 15:46:37,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 15:46:37,480 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-09-04 15:46:37,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:46:37,486 INFO L225 Difference]: With dead ends: 699 [2020-09-04 15:46:37,486 INFO L226 Difference]: Without dead ends: 543 [2020-09-04 15:46:37,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:46:37,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 543 states. [2020-09-04 15:46:37,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 543 to 405. [2020-09-04 15:46:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 405 states. [2020-09-04 15:46:37,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 437 transitions. [2020-09-04 15:46:37,632 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 437 transitions. Word has length 187 [2020-09-04 15:46:37,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:46:37,633 INFO L479 AbstractCegarLoop]: Abstraction has 405 states and 437 transitions. [2020-09-04 15:46:37,633 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:46:37,633 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 437 transitions. [2020-09-04 15:46:37,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-04 15:46:37,636 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:46:37,637 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 15:46:37,637 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 15:46:37,637 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:46:37,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:46:37,637 INFO L82 PathProgramCache]: Analyzing trace with hash -476532751, now seen corresponding path program 1 times [2020-09-04 15:46:37,638 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:46:37,638 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1106296820] [2020-09-04 15:46:37,638 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:46:37,640 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:46:37,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:37,962 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:46:37,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:37,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:46:37,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:37,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:46:37,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:46:38,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:46:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:46:38,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:46:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:46:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:46:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:46:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:46:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-04 15:46:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-04 15:46:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:38,230 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 15:46:38,231 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1106296820] [2020-09-04 15:46:38,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:46:38,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 15:46:38,232 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158949742] [2020-09-04 15:46:38,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 15:46:38,232 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:46:38,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 15:46:38,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 15:46:38,233 INFO L87 Difference]: Start difference. First operand 405 states and 437 transitions. Second operand 14 states. [2020-09-04 15:46:38,903 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:39,222 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:46:39,537 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:39,861 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:46:40,194 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:41,335 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:41,662 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:46:41,993 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:42,328 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:46:42,649 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:44,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:46:44,353 INFO L93 Difference]: Finished difference Result 838 states and 987 transitions. [2020-09-04 15:46:44,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 15:46:44,355 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 211 [2020-09-04 15:46:44,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:46:44,360 INFO L225 Difference]: With dead ends: 838 [2020-09-04 15:46:44,360 INFO L226 Difference]: Without dead ends: 548 [2020-09-04 15:46:44,361 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 15:46:44,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-04 15:46:44,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 411. [2020-09-04 15:46:44,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-04 15:46:44,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 443 transitions. [2020-09-04 15:46:44,508 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 443 transitions. Word has length 211 [2020-09-04 15:46:44,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:46:44,509 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 443 transitions. [2020-09-04 15:46:44,509 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 15:46:44,509 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 443 transitions. [2020-09-04 15:46:44,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-04 15:46:44,512 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:46:44,513 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 15:46:44,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 15:46:44,513 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:46:44,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:46:44,514 INFO L82 PathProgramCache]: Analyzing trace with hash 497337425, now seen corresponding path program 1 times [2020-09-04 15:46:44,514 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:46:44,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653449474] [2020-09-04 15:46:44,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:46:44,517 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:46:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:44,908 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:46:44,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:44,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:44,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:46:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:44,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:46:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:44,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:46:44,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:44,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:46:44,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:46:45,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:46:45,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:46:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:46:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:45,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:45,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:46:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:46:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-04 15:46:45,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-04 15:46:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:45,192 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 15:46:45,192 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653449474] [2020-09-04 15:46:45,193 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:46:45,193 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:46:45,194 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099158750] [2020-09-04 15:46:45,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:46:45,195 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:46:45,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:46:45,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:46:45,196 INFO L87 Difference]: Start difference. First operand 411 states and 443 transitions. Second operand 11 states. [2020-09-04 15:46:45,744 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:46:46,750 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:47,070 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:46:48,412 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:46:48,717 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:49,075 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:49,736 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:50,051 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:46:50,355 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:51,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:46:51,030 INFO L93 Difference]: Finished difference Result 844 states and 982 transitions. [2020-09-04 15:46:51,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 15:46:51,031 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-04 15:46:51,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:46:51,034 INFO L225 Difference]: With dead ends: 844 [2020-09-04 15:46:51,035 INFO L226 Difference]: Without dead ends: 548 [2020-09-04 15:46:51,036 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-04 15:46:51,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2020-09-04 15:46:51,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 410. [2020-09-04 15:46:51,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 410 states. [2020-09-04 15:46:51,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 440 transitions. [2020-09-04 15:46:51,142 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 440 transitions. Word has length 211 [2020-09-04 15:46:51,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:46:51,142 INFO L479 AbstractCegarLoop]: Abstraction has 410 states and 440 transitions. [2020-09-04 15:46:51,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:46:51,143 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 440 transitions. [2020-09-04 15:46:51,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 15:46:51,146 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:46:51,146 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 15:46:51,147 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 15:46:51,147 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:46:51,147 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:46:51,147 INFO L82 PathProgramCache]: Analyzing trace with hash -217934529, now seen corresponding path program 1 times [2020-09-04 15:46:51,148 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:46:51,148 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703511549] [2020-09-04 15:46:51,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:46:51,151 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:46:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,454 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:46:51,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:46:51,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:46:51,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:46:51,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:46:51,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:46:51,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:46:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:46:51,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:46:51,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:51,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:46:51,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:46:51,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:46:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:46:51,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:46:51,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 15:46:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 15:46:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:51,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:46:51,689 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703511549] [2020-09-04 15:46:51,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:46:51,690 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:46:51,690 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63164154] [2020-09-04 15:46:51,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:46:51,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:46:51,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:46:51,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:46:51,692 INFO L87 Difference]: Start difference. First operand 410 states and 440 transitions. Second operand 11 states. [2020-09-04 15:46:53,205 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:53,528 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:46:53,861 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:46:54,210 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:54,547 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:46:54,848 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:46:56,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:46:56,173 INFO L93 Difference]: Finished difference Result 847 states and 991 transitions. [2020-09-04 15:46:56,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 15:46:56,174 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 234 [2020-09-04 15:46:56,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:46:56,179 INFO L225 Difference]: With dead ends: 847 [2020-09-04 15:46:56,180 INFO L226 Difference]: Without dead ends: 552 [2020-09-04 15:46:56,182 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 15:46:56,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 552 states. [2020-09-04 15:46:56,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 552 to 418. [2020-09-04 15:46:56,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 418 states. [2020-09-04 15:46:56,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 418 states and 448 transitions. [2020-09-04 15:46:56,369 INFO L78 Accepts]: Start accepts. Automaton has 418 states and 448 transitions. Word has length 234 [2020-09-04 15:46:56,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:46:56,370 INFO L479 AbstractCegarLoop]: Abstraction has 418 states and 448 transitions. [2020-09-04 15:46:56,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:46:56,370 INFO L276 IsEmpty]: Start isEmpty. Operand 418 states and 448 transitions. [2020-09-04 15:46:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2020-09-04 15:46:56,373 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:46:56,374 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 15:46:56,374 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 15:46:56,374 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:46:56,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:46:56,374 INFO L82 PathProgramCache]: Analyzing trace with hash 1176917148, now seen corresponding path program 1 times [2020-09-04 15:46:56,375 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:46:56,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1831560287] [2020-09-04 15:46:56,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:46:56,381 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:46:56,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,758 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:46:56,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:46:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:46:56,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:46:56,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:46:56,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:46:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:46:56,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:46:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:46:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:46:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:56,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:46:56,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:46:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:56,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:46:56,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:57,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:46:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:57,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:46:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:57,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:46:57,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:57,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 211 [2020-09-04 15:46:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:57,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 15:46:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:46:57,105 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:46:57,105 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1831560287] [2020-09-04 15:46:57,106 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:46:57,106 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:46:57,106 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2138518930] [2020-09-04 15:46:57,107 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:46:57,107 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:46:57,108 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:46:57,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:46:57,108 INFO L87 Difference]: Start difference. First operand 418 states and 448 transitions. Second operand 8 states. [2020-09-04 15:46:57,676 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:46:58,361 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:47:01,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:47:01,579 INFO L93 Difference]: Finished difference Result 1183 states and 1420 transitions. [2020-09-04 15:47:01,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 15:47:01,580 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 234 [2020-09-04 15:47:01,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:47:01,586 INFO L225 Difference]: With dead ends: 1183 [2020-09-04 15:47:01,586 INFO L226 Difference]: Without dead ends: 880 [2020-09-04 15:47:01,588 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 49 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-04 15:47:01,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-09-04 15:47:01,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 673. [2020-09-04 15:47:01,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 673 states. [2020-09-04 15:47:01,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 740 transitions. [2020-09-04 15:47:01,794 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 740 transitions. Word has length 234 [2020-09-04 15:47:01,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:47:01,795 INFO L479 AbstractCegarLoop]: Abstraction has 673 states and 740 transitions. [2020-09-04 15:47:01,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:47:01,795 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 740 transitions. [2020-09-04 15:47:01,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-04 15:47:01,797 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:47:01,797 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 15:47:01,798 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 15:47:01,798 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:47:01,798 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:47:01,798 INFO L82 PathProgramCache]: Analyzing trace with hash -1214461665, now seen corresponding path program 1 times [2020-09-04 15:47:01,798 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:47:01,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [436592104] [2020-09-04 15:47:01,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:47:01,801 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:47:01,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,235 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:47:02,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:02,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:47:02,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:47:02,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:47:02,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:47:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:47:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:47:02,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:47:02,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:47:02,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 15:47:02,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:02,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:47:02,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:47:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-04 15:47:02,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:47:02,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:02,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:47:02,563 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [436592104] [2020-09-04 15:47:02,563 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:47:02,563 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 15:47:02,563 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927625640] [2020-09-04 15:47:02,564 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 15:47:02,564 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:47:02,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 15:47:02,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 15:47:02,565 INFO L87 Difference]: Start difference. First operand 673 states and 740 transitions. Second operand 15 states. [2020-09-04 15:47:03,449 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:47:04,407 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:47:06,382 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 15:47:06,986 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:47:07,409 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:47:07,740 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:47:08,355 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 15:47:08,706 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:47:09,074 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:47:09,391 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:47:11,746 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:47:12,048 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:47:12,376 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:47:13,121 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:47:14,801 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 15:47:15,425 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 15:47:16,058 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:47:16,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:47:16,975 INFO L93 Difference]: Finished difference Result 2086 states and 2498 transitions. [2020-09-04 15:47:16,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 15:47:16,976 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 239 [2020-09-04 15:47:16,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:47:16,985 INFO L225 Difference]: With dead ends: 2086 [2020-09-04 15:47:16,985 INFO L226 Difference]: Without dead ends: 1635 [2020-09-04 15:47:16,988 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1111 ImplicationChecksByTransitivity, 8.3s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-09-04 15:47:16,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1635 states. [2020-09-04 15:47:17,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1635 to 1194. [2020-09-04 15:47:17,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1194 states. [2020-09-04 15:47:17,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1194 states to 1194 states and 1303 transitions. [2020-09-04 15:47:17,638 INFO L78 Accepts]: Start accepts. Automaton has 1194 states and 1303 transitions. Word has length 239 [2020-09-04 15:47:17,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:47:17,640 INFO L479 AbstractCegarLoop]: Abstraction has 1194 states and 1303 transitions. [2020-09-04 15:47:17,641 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 15:47:17,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1303 transitions. [2020-09-04 15:47:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2020-09-04 15:47:17,645 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:47:17,646 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 15:47:17,646 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 15:47:17,646 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:47:17,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:47:17,647 INFO L82 PathProgramCache]: Analyzing trace with hash 2117034326, now seen corresponding path program 1 times [2020-09-04 15:47:17,647 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:47:17,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1549949884] [2020-09-04 15:47:17,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:47:17,690 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:47:17,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,090 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:47:18,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:47:18,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:47:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:47:18,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:47:18,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:47:18,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:47:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:47:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:47:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:18,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:18,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:47:18,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:47:18,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:47:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:47:18,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:18,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:47:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 15:47:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:18,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 262 [2020-09-04 15:47:18,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-04 15:47:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:18,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:18,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:47:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:18,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 302 [2020-09-04 15:47:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 15:47:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:18,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:47:18,667 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1549949884] [2020-09-04 15:47:18,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:47:18,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:47:18,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878167337] [2020-09-04 15:47:18,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:47:18,669 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:47:18,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:47:18,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:47:18,669 INFO L87 Difference]: Start difference. First operand 1194 states and 1303 transitions. Second operand 19 states. [2020-09-04 15:47:19,418 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:47:19,847 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:20,197 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:47:20,553 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:47:20,895 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:21,228 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:47:22,360 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:22,744 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:47:23,078 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:47:23,715 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 15:47:24,947 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:47:25,374 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 15:47:26,422 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:47:27,527 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:28,552 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:47:29,185 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:47:29,835 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:47:30,293 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:47:31,191 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:47:31,868 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:47:32,266 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:47:33,053 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 15:47:33,781 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 15:47:35,368 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 15:47:35,712 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:47:37,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:47:37,423 INFO L93 Difference]: Finished difference Result 2885 states and 3339 transitions. [2020-09-04 15:47:37,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 15:47:37,424 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 325 [2020-09-04 15:47:37,425 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:47:37,434 INFO L225 Difference]: With dead ends: 2885 [2020-09-04 15:47:37,434 INFO L226 Difference]: Without dead ends: 1908 [2020-09-04 15:47:37,439 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1916 ImplicationChecksByTransitivity, 11.5s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 15:47:37,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2020-09-04 15:47:38,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1425. [2020-09-04 15:47:38,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1425 states. [2020-09-04 15:47:38,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1425 states to 1425 states and 1562 transitions. [2020-09-04 15:47:38,021 INFO L78 Accepts]: Start accepts. Automaton has 1425 states and 1562 transitions. Word has length 325 [2020-09-04 15:47:38,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:47:38,023 INFO L479 AbstractCegarLoop]: Abstraction has 1425 states and 1562 transitions. [2020-09-04 15:47:38,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:47:38,023 INFO L276 IsEmpty]: Start isEmpty. Operand 1425 states and 1562 transitions. [2020-09-04 15:47:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-09-04 15:47:38,038 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:47:38,039 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 15:47:38,039 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 15:47:38,039 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:47:38,039 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:47:38,039 INFO L82 PathProgramCache]: Analyzing trace with hash -830990222, now seen corresponding path program 1 times [2020-09-04 15:47:38,040 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:47:38,040 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140190348] [2020-09-04 15:47:38,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:47:38,060 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:47:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,537 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:47:38,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:47:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:47:38,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:47:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:47:38,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:47:38,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:47:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:47:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:47:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:38,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:47:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:38,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:47:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:47:38,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:47:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:47:38,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:47:38,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:38,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:47:38,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:38,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:47:38,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:47:38,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-09-04 15:47:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-09-04 15:47:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:38,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:38,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:47:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:38,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:38,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:38,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:47:38,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:47:38,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:38,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:39,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 412 [2020-09-04 15:47:39,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-09-04 15:47:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:39,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-04 15:47:39,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:47:39,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:47:39,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:39,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:39,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:39,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 494 [2020-09-04 15:47:39,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-09-04 15:47:39,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:39,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:47:39,171 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140190348] [2020-09-04 15:47:39,171 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:47:39,172 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:47:39,172 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [127295016] [2020-09-04 15:47:39,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:47:39,173 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:47:39,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:47:39,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:47:39,174 INFO L87 Difference]: Start difference. First operand 1425 states and 1562 transitions. Second operand 17 states. [2020-09-04 15:47:41,327 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:47:41,657 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:47:42,008 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:47:42,356 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:47:42,675 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:47:42,993 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:47:45,424 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:47:45,773 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:47:47,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:47:47,963 INFO L93 Difference]: Finished difference Result 4194 states and 4958 transitions. [2020-09-04 15:47:47,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 15:47:47,963 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-09-04 15:47:47,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:47:47,979 INFO L225 Difference]: With dead ends: 4194 [2020-09-04 15:47:47,979 INFO L226 Difference]: Without dead ends: 2689 [2020-09-04 15:47:47,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 124 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 492 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 15:47:47,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2020-09-04 15:47:48,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 1847. [2020-09-04 15:47:48,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1847 states. [2020-09-04 15:47:48,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1847 states and 2057 transitions. [2020-09-04 15:47:48,687 INFO L78 Accepts]: Start accepts. Automaton has 1847 states and 2057 transitions. Word has length 517 [2020-09-04 15:47:48,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:47:48,688 INFO L479 AbstractCegarLoop]: Abstraction has 1847 states and 2057 transitions. [2020-09-04 15:47:48,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:47:48,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2057 transitions. [2020-09-04 15:47:48,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-09-04 15:47:48,695 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:47:48,696 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 15:47:48,696 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 15:47:48,696 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:47:48,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:47:48,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1343403747, now seen corresponding path program 1 times [2020-09-04 15:47:48,697 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:47:48,697 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592656338] [2020-09-04 15:47:48,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:47:48,722 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:47:48,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,218 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:47:49,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:47:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:47:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:47:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:47:49,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:47:49,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:47:49,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:47:49,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:47:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:47:49,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:47:49,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:47:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:49,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:49,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:47:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:47:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:47:49,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:49,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:49,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:47:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:49,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:49,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:47:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:47:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:47:49,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 15:47:49,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 15:47:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:49,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:47:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:47:49,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:47:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-09-04 15:47:49,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 15:47:49,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-09-04 15:47:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:47:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-09-04 15:47:49,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:47:49,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:47:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:47:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:47:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:47:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-09-04 15:47:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-09-04 15:47:49,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:47:49,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:47:49,832 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592656338] [2020-09-04 15:47:49,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:47:49,832 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:47:49,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1213667893] [2020-09-04 15:47:49,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:47:49,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:47:49,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:47:49,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:47:49,834 INFO L87 Difference]: Start difference. First operand 1847 states and 2057 transitions. Second operand 19 states. [2020-09-04 15:47:50,496 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:47:50,930 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:47:51,273 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:47:51,608 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:47:51,973 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:47:52,288 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:47:53,451 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:47:53,781 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:47:55,095 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:47:55,524 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:47:55,956 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:47:56,555 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:47:57,831 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:47:58,153 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:47:59,335 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:47:59,769 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:00,156 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:48:03,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:03,051 INFO L93 Difference]: Finished difference Result 3884 states and 4538 transitions. [2020-09-04 15:48:03,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 15:48:03,052 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 531 [2020-09-04 15:48:03,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:03,068 INFO L225 Difference]: With dead ends: 3884 [2020-09-04 15:48:03,069 INFO L226 Difference]: Without dead ends: 2290 [2020-09-04 15:48:03,075 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 15:48:03,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2290 states. [2020-09-04 15:48:04,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2290 to 1775. [2020-09-04 15:48:04,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-09-04 15:48:04,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1958 transitions. [2020-09-04 15:48:04,059 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1958 transitions. Word has length 531 [2020-09-04 15:48:04,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:04,060 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 1958 transitions. [2020-09-04 15:48:04,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:48:04,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1958 transitions. [2020-09-04 15:48:04,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-09-04 15:48:04,068 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:04,068 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 15:48:04,069 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 15:48:04,069 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:04,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:04,069 INFO L82 PathProgramCache]: Analyzing trace with hash -1677407297, now seen corresponding path program 1 times [2020-09-04 15:48:04,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:04,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1223307000] [2020-09-04 15:48:04,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:04,096 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,560 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:04,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:04,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:04,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:04,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:04,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:04,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:48:04,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:48:04,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:48:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:04,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:04,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:48:04,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:04,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:04,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:04,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:48:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:48:04,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:48:04,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:04,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:48:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:04,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:04,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:48:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:48:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:48:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-09-04 15:48:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 15:48:04,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:04,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:04,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:48:04,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:04,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:04,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:48:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:48:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-09-04 15:48:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 15:48:05,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-09-04 15:48:05,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-09-04 15:48:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-09-04 15:48:05,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-09-04 15:48:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:05,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:48:05,224 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1223307000] [2020-09-04 15:48:05,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:05,224 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:48:05,224 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214084349] [2020-09-04 15:48:05,225 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:48:05,225 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:05,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:48:05,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:48:05,226 INFO L87 Difference]: Start difference. First operand 1775 states and 1958 transitions. Second operand 17 states. [2020-09-04 15:48:05,890 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:07,137 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:48:09,073 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:09,453 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:09,857 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:10,257 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:10,596 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:10,962 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:48:11,289 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:11,655 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:12,018 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:12,461 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:48:12,813 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:13,175 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:48:15,518 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:16,171 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 15:48:16,791 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 15:48:17,147 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:17,530 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:48:17,886 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:48:19,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:19,933 INFO L93 Difference]: Finished difference Result 5731 states and 6740 transitions. [2020-09-04 15:48:19,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-09-04 15:48:19,933 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 532 [2020-09-04 15:48:19,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:19,955 INFO L225 Difference]: With dead ends: 5731 [2020-09-04 15:48:19,955 INFO L226 Difference]: Without dead ends: 4084 [2020-09-04 15:48:19,962 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 130 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1059 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-09-04 15:48:19,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4084 states. [2020-09-04 15:48:21,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4084 to 3192. [2020-09-04 15:48:21,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3192 states. [2020-09-04 15:48:21,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 3192 states and 3489 transitions. [2020-09-04 15:48:21,254 INFO L78 Accepts]: Start accepts. Automaton has 3192 states and 3489 transitions. Word has length 532 [2020-09-04 15:48:21,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:21,255 INFO L479 AbstractCegarLoop]: Abstraction has 3192 states and 3489 transitions. [2020-09-04 15:48:21,255 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:48:21,255 INFO L276 IsEmpty]: Start isEmpty. Operand 3192 states and 3489 transitions. [2020-09-04 15:48:21,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-09-04 15:48:21,266 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:21,267 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 15:48:21,267 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 15:48:21,267 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:21,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:21,268 INFO L82 PathProgramCache]: Analyzing trace with hash -822119102, now seen corresponding path program 1 times [2020-09-04 15:48:21,268 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:21,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [247326863] [2020-09-04 15:48:21,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:21,287 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,662 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:21,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:48:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 15:48:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:48:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 15:48:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:48:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:21,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:21,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:21,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:22,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:22,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:22,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:48:22,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 15:48:22,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 15:48:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:22,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:22,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:48:22,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:22,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:22,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:48:22,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:48:22,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:48:22,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:48:22,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:48:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:48:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:22,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:22,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:48:22,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:48:22,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:22,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 15:48:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 15:48:22,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:22,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-04 15:48:22,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:22,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:22,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:22,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:22,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:22,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 15:48:22,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-09-04 15:48:22,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:22,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:48:22,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [247326863] [2020-09-04 15:48:22,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:22,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-09-04 15:48:22,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52523910] [2020-09-04 15:48:22,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 15:48:22,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:22,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 15:48:22,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:48:22,504 INFO L87 Difference]: Start difference. First operand 3192 states and 3489 transitions. Second operand 23 states. [2020-09-04 15:48:23,186 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:23,661 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:24,009 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:48:24,350 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:24,685 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:48:25,007 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:26,157 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:28,457 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:28,844 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:29,279 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:29,702 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:30,046 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:30,419 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:30,752 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:31,136 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:31,512 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:31,973 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:32,331 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:32,710 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:33,421 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:48:34,269 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:48:34,949 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:48:40,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:48:40,071 INFO L93 Difference]: Finished difference Result 7010 states and 8091 transitions. [2020-09-04 15:48:40,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-09-04 15:48:40,073 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 533 [2020-09-04 15:48:40,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:48:40,096 INFO L225 Difference]: With dead ends: 7010 [2020-09-04 15:48:40,097 INFO L226 Difference]: Without dead ends: 4190 [2020-09-04 15:48:40,108 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 136 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1923 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1192, Invalid=5288, Unknown=0, NotChecked=0, Total=6480 [2020-09-04 15:48:40,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4190 states. [2020-09-04 15:48:41,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4190 to 2983. [2020-09-04 15:48:41,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2983 states. [2020-09-04 15:48:41,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2983 states to 2983 states and 3242 transitions. [2020-09-04 15:48:41,291 INFO L78 Accepts]: Start accepts. Automaton has 2983 states and 3242 transitions. Word has length 533 [2020-09-04 15:48:41,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:48:41,291 INFO L479 AbstractCegarLoop]: Abstraction has 2983 states and 3242 transitions. [2020-09-04 15:48:41,292 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 15:48:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2983 states and 3242 transitions. [2020-09-04 15:48:41,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-09-04 15:48:41,302 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:48:41,302 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 15:48:41,302 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 15:48:41,303 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:48:41,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:48:41,303 INFO L82 PathProgramCache]: Analyzing trace with hash 1789840089, now seen corresponding path program 1 times [2020-09-04 15:48:41,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:48:41,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181289693] [2020-09-04 15:48:41,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:48:41,318 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:48:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,739 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:48:41,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:48:41,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:48:41,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:48:41,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:48:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:48:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:48:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:48:41,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:48:41,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:41,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:41,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:48:41,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:41,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:41,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:41,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:41,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:41,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:41,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:48:41,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:41,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 15:48:41,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 15:48:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:41,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 15:48:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:48:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:42,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:48:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:42,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:48:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:48:42,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:48:42,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:48:42,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:42,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:48:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:42,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:48:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:48:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-09-04 15:48:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 15:48:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-09-04 15:48:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:48:42,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 15:48:42,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:48:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:48:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:48:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:42,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:48:42,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:48:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-09-04 15:48:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 15:48:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:48:42,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:48:42,717 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181289693] [2020-09-04 15:48:42,717 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:48:42,717 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-09-04 15:48:42,718 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996960046] [2020-09-04 15:48:42,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 15:48:42,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:48:42,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 15:48:42,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:48:42,720 INFO L87 Difference]: Start difference. First operand 2983 states and 3242 transitions. Second operand 23 states. [2020-09-04 15:48:43,430 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:43,903 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:48:44,249 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:48:44,601 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:44,940 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:48:45,343 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:46,513 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:48:48,793 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:49,185 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:49,623 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:50,051 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:50,399 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:50,773 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:51,103 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:51,484 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:51,858 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:52,328 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:52,689 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:48:53,067 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:48:56,127 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:48:56,793 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:48:57,415 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:49:00,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:49:00,050 INFO L93 Difference]: Finished difference Result 6459 states and 7411 transitions. [2020-09-04 15:49:00,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-09-04 15:49:00,051 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 538 [2020-09-04 15:49:00,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:49:00,067 INFO L225 Difference]: With dead ends: 6459 [2020-09-04 15:49:00,068 INFO L226 Difference]: Without dead ends: 3848 [2020-09-04 15:49:00,076 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1949 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 15:49:00,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3848 states. [2020-09-04 15:49:01,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3848 to 2754. [2020-09-04 15:49:01,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2754 states. [2020-09-04 15:49:01,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2754 states to 2754 states and 2991 transitions. [2020-09-04 15:49:01,089 INFO L78 Accepts]: Start accepts. Automaton has 2754 states and 2991 transitions. Word has length 538 [2020-09-04 15:49:01,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:49:01,089 INFO L479 AbstractCegarLoop]: Abstraction has 2754 states and 2991 transitions. [2020-09-04 15:49:01,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 15:49:01,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2754 states and 2991 transitions. [2020-09-04 15:49:01,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 539 [2020-09-04 15:49:01,098 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:49:01,098 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 15:49:01,099 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 15:49:01,099 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:49:01,099 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:49:01,099 INFO L82 PathProgramCache]: Analyzing trace with hash -835229441, now seen corresponding path program 2 times [2020-09-04 15:49:01,099 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:49:01,100 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1463768944] [2020-09-04 15:49:01,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:49:01,211 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:49:01,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,629 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:49:01,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:01,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:49:01,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:49:01,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:49:01,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:49:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:49:01,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:49:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:49:01,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:49:01,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:01,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:49:01,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:01,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:01,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:01,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:01,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:49:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:01,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:49:01,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:49:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:01,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:01,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:01,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:01,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:01,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:49:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:49:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 15:49:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:49:01,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:01,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:49:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:02,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:02,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:02,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:49:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:02,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 424 [2020-09-04 15:49:02,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-09-04 15:49:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-09-04 15:49:02,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:02,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 15:49:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:02,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:02,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:02,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:02,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:02,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-09-04 15:49:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-09-04 15:49:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:02,329 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:49:02,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1463768944] [2020-09-04 15:49:02,330 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:49:02,330 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:49:02,330 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1849862732] [2020-09-04 15:49:02,331 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:49:02,331 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:49:02,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:49:02,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:49:02,332 INFO L87 Difference]: Start difference. First operand 2754 states and 2991 transitions. Second operand 19 states. [2020-09-04 15:49:03,004 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:05,496 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:05,858 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:06,513 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:49:06,853 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:49:07,567 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:49:07,904 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:49:08,494 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:49:08,866 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:09,229 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:09,560 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:09,881 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:12,776 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:13,134 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:17,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:49:17,369 INFO L93 Difference]: Finished difference Result 6677 states and 7828 transitions. [2020-09-04 15:49:17,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 15:49:17,370 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 538 [2020-09-04 15:49:17,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:49:17,394 INFO L225 Difference]: With dead ends: 6677 [2020-09-04 15:49:17,394 INFO L226 Difference]: Without dead ends: 5076 [2020-09-04 15:49:17,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 151 SyntacticMatches, 6 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2081 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-09-04 15:49:17,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5076 states. [2020-09-04 15:49:19,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5076 to 3301. [2020-09-04 15:49:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3301 states. [2020-09-04 15:49:19,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 3576 transitions. [2020-09-04 15:49:19,277 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 3576 transitions. Word has length 538 [2020-09-04 15:49:19,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:49:19,277 INFO L479 AbstractCegarLoop]: Abstraction has 3301 states and 3576 transitions. [2020-09-04 15:49:19,277 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:49:19,277 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 3576 transitions. [2020-09-04 15:49:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 554 [2020-09-04 15:49:19,292 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:49:19,293 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 15:49:19,295 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 15:49:19,296 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:49:19,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:49:19,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1795671739, now seen corresponding path program 1 times [2020-09-04 15:49:19,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:49:19,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1286743684] [2020-09-04 15:49:19,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:49:19,311 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:49:19,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,695 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:49:19,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:49:19,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:49:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:49:19,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:49:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:49:19,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:49:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:49:19,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:49:19,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:19,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:19,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:49:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:19,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:19,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:19,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:19,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:19,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:49:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:49:19,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:19,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:49:19,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:20,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:20,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:20,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:20,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:20,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:20,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:20,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:49:20,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:20,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:49:20,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 15:49:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:49:20,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:49:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:20,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:20,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:20,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:49:20,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:20,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:49:20,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:49:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 15:49:20,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 15:49:20,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 15:49:20,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:20,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-09-04 15:49:20,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:20,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:20,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:20,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:20,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:20,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-09-04 15:49:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-09-04 15:49:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:20,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:49:20,427 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1286743684] [2020-09-04 15:49:20,427 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:49:20,427 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:49:20,428 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [820032136] [2020-09-04 15:49:20,428 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:49:20,428 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:49:20,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:49:20,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:49:20,429 INFO L87 Difference]: Start difference. First operand 3301 states and 3576 transitions. Second operand 19 states. [2020-09-04 15:49:21,082 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:23,126 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:24,141 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:24,498 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:25,175 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:49:25,528 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:26,170 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 15:49:26,518 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:27,130 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:49:27,811 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 15:49:28,507 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 15:49:29,136 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 15:49:29,455 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:32,530 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:32,887 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:34,546 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:35,734 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:36,087 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:36,722 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:49:37,044 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:49:37,692 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:49:38,023 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:49:38,633 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:49:38,996 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:49:39,381 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:49:39,730 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:49:46,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:49:46,483 INFO L93 Difference]: Finished difference Result 8891 states and 10524 transitions. [2020-09-04 15:49:46,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-09-04 15:49:46,484 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 553 [2020-09-04 15:49:46,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:49:46,507 INFO L225 Difference]: With dead ends: 8891 [2020-09-04 15:49:46,508 INFO L226 Difference]: Without dead ends: 6982 [2020-09-04 15:49:46,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 180 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5700 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-09-04 15:49:46,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6982 states. [2020-09-04 15:49:47,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6982 to 4064. [2020-09-04 15:49:47,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4064 states. [2020-09-04 15:49:47,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 4064 states and 4391 transitions. [2020-09-04 15:49:47,982 INFO L78 Accepts]: Start accepts. Automaton has 4064 states and 4391 transitions. Word has length 553 [2020-09-04 15:49:47,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:49:47,983 INFO L479 AbstractCegarLoop]: Abstraction has 4064 states and 4391 transitions. [2020-09-04 15:49:47,983 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:49:47,983 INFO L276 IsEmpty]: Start isEmpty. Operand 4064 states and 4391 transitions. [2020-09-04 15:49:47,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-09-04 15:49:47,994 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:49:47,994 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 15:49:47,994 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 15:49:47,994 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:49:47,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:49:47,995 INFO L82 PathProgramCache]: Analyzing trace with hash 1879765246, now seen corresponding path program 3 times [2020-09-04 15:49:47,995 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:49:47,995 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275292799] [2020-09-04 15:49:47,995 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:49:48,015 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:49:48,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,419 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:49:48,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:49:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:49:48,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:49:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:49:48,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:49:48,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:49:48,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:49:48,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:49:48,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:49:48,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:48,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:48,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:48,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:48,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:49:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:49:48,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:49:48,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:48,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:48,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:49:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:49:48,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 15:49:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:49:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:49:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:48,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:48,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:48,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:49:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:49:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 15:49:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 15:49:48,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 15:49:48,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:49:48,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:48,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:48,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:49:48,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:49:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-09-04 15:49:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-09-04 15:49:48,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-09-04 15:49:48,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:49:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-09-04 15:49:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:48,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:49:48,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:49:49,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:49:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:49,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:49:49,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:49:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-09-04 15:49:49,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-09-04 15:49:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:49:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:49:49,190 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275292799] [2020-09-04 15:49:49,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:49:49,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:49:49,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288432572] [2020-09-04 15:49:49,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:49:49,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:49:49,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:49:49,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:49:49,192 INFO L87 Difference]: Start difference. First operand 4064 states and 4391 transitions. Second operand 18 states. [2020-09-04 15:49:49,890 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:50,955 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:52,235 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:49:53,221 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:53,575 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:54,236 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:49:54,587 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:49:55,209 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:49:55,556 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:49:56,154 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:50:04,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:50:04,701 INFO L93 Difference]: Finished difference Result 8364 states and 9629 transitions. [2020-09-04 15:50:04,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-09-04 15:50:04,702 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 640 [2020-09-04 15:50:04,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:50:04,724 INFO L225 Difference]: With dead ends: 8364 [2020-09-04 15:50:04,724 INFO L226 Difference]: Without dead ends: 5747 [2020-09-04 15:50:04,732 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 171 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1755 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=1049, Invalid=4207, Unknown=0, NotChecked=0, Total=5256 [2020-09-04 15:50:04,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5747 states. [2020-09-04 15:50:06,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5747 to 3838. [2020-09-04 15:50:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3838 states. [2020-09-04 15:50:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3838 states to 3838 states and 4113 transitions. [2020-09-04 15:50:06,187 INFO L78 Accepts]: Start accepts. Automaton has 3838 states and 4113 transitions. Word has length 640 [2020-09-04 15:50:06,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:50:06,188 INFO L479 AbstractCegarLoop]: Abstraction has 3838 states and 4113 transitions. [2020-09-04 15:50:06,188 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:50:06,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 4113 transitions. [2020-09-04 15:50:06,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-09-04 15:50:06,197 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:50:06,197 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 15:50:06,197 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 15:50:06,197 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:50:06,198 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:50:06,198 INFO L82 PathProgramCache]: Analyzing trace with hash 622944476, now seen corresponding path program 2 times [2020-09-04 15:50:06,198 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:50:06,198 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988464976] [2020-09-04 15:50:06,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:50:06,216 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:50:06,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,686 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:50:06,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:50:06,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:50:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:50:06,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:50:06,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:50:06,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:50:06,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:50:06,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:50:06,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:06,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:50:06,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:06,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:06,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:06,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:06,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:50:06,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:50:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:50:06,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:06,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:06,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:06,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:50:06,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:50:06,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 15:50:06,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:50:06,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:50:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:06,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:06,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:06,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:06,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:06,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:50:06,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:50:06,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 15:50:06,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 15:50:06,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 15:50:06,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:06,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:06,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:06,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:06,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:06,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:50:06,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:06,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:50:06,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:06,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-09-04 15:50:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-09-04 15:50:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-09-04 15:50:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-09-04 15:50:07,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:07,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2020-09-04 15:50:07,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:07,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:07,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2020-09-04 15:50:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-09-04 15:50:07,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:07,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:50:07,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988464976] [2020-09-04 15:50:07,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:50:07,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 15:50:07,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1181081326] [2020-09-04 15:50:07,310 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 15:50:07,310 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:50:07,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 15:50:07,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-09-04 15:50:07,311 INFO L87 Difference]: Start difference. First operand 3838 states and 4113 transitions. Second operand 15 states. [2020-09-04 15:50:07,981 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:50:08,802 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:50:09,920 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:50:14,735 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:50:21,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:50:21,512 INFO L93 Difference]: Finished difference Result 9133 states and 10536 transitions. [2020-09-04 15:50:21,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-09-04 15:50:21,513 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 655 [2020-09-04 15:50:21,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:50:21,533 INFO L225 Difference]: With dead ends: 9133 [2020-09-04 15:50:21,533 INFO L226 Difference]: Without dead ends: 6742 [2020-09-04 15:50:21,540 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 15:50:21,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6742 states. [2020-09-04 15:50:23,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6742 to 4342. [2020-09-04 15:50:23,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4342 states. [2020-09-04 15:50:23,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4342 states to 4342 states and 4652 transitions. [2020-09-04 15:50:23,176 INFO L78 Accepts]: Start accepts. Automaton has 4342 states and 4652 transitions. Word has length 655 [2020-09-04 15:50:23,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:50:23,177 INFO L479 AbstractCegarLoop]: Abstraction has 4342 states and 4652 transitions. [2020-09-04 15:50:23,177 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 15:50:23,177 INFO L276 IsEmpty]: Start isEmpty. Operand 4342 states and 4652 transitions. [2020-09-04 15:50:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-09-04 15:50:23,188 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:50:23,188 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 15:50:23,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-04 15:50:23,188 INFO L427 AbstractCegarLoop]: === Iteration 20 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:50:23,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:50:23,189 INFO L82 PathProgramCache]: Analyzing trace with hash 84137668, now seen corresponding path program 1 times [2020-09-04 15:50:23,189 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:50:23,189 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [176652297] [2020-09-04 15:50:23,189 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:50:23,199 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:50:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,734 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:50:23,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:23,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:50:23,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:50:23,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:50:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:50:23,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:50:23,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:50:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:50:23,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:50:23,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:50:23,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:23,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:23,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:23,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:23,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:23,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-09-04 15:50:23,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:23,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:23,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 244 [2020-09-04 15:50:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 248 [2020-09-04 15:50:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:24,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:24,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:50:24,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:50:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 15:50:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-09-04 15:50:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-09-04 15:50:24,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:24,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:24,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:50:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:24,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:50:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:50:24,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:50:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:50:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-09-04 15:50:24,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 15:50:24,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-09-04 15:50:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:24,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:50:24,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:24,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:24,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:50:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:50:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-09-04 15:50:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 550 [2020-09-04 15:50:24,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-09-04 15:50:24,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:50:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2020-09-04 15:50:24,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:50:24,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:50:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:50:24,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:24,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:50:24,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:50:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2020-09-04 15:50:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-09-04 15:50:24,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:50:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:50:24,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [176652297] [2020-09-04 15:50:24,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:50:24,909 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [26] imperfect sequences [] total 26 [2020-09-04 15:50:24,909 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734831444] [2020-09-04 15:50:24,910 INFO L459 AbstractCegarLoop]: Interpolant automaton has 26 states [2020-09-04 15:50:24,910 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:50:24,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2020-09-04 15:50:24,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=579, Unknown=0, NotChecked=0, Total=650 [2020-09-04 15:50:24,910 INFO L87 Difference]: Start difference. First operand 4342 states and 4652 transitions. Second operand 26 states. [2020-09-04 15:50:25,911 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 15:50:27,399 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 15:50:30,201 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 15:50:30,899 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 15:50:31,625 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 15:50:32,293 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 15:50:32,968 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 15:50:33,636 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 15:50:34,276 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 15:50:34,953 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:50:35,668 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 193 [2020-09-04 15:50:36,286 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:50:40,427 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 189 [2020-09-04 15:50:41,734 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 192 [2020-09-04 15:50:42,407 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 195 [2020-09-04 15:50:43,064 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 15:50:43,741 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 193 [2020-09-04 15:50:44,373 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 191 [2020-09-04 15:50:48,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:50:48,538 INFO L93 Difference]: Finished difference Result 8256 states and 9277 transitions. [2020-09-04 15:50:48,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-09-04 15:50:48,539 INFO L78 Accepts]: Start accepts. Automaton has 26 states. Word has length 655 [2020-09-04 15:50:48,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:50:48,542 INFO L225 Difference]: With dead ends: 8256 [2020-09-04 15:50:48,542 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 15:50:48,559 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 279 GetRequests, 176 SyntacticMatches, 11 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2788 ImplicationChecksByTransitivity, 14.0s TimeCoverageRelationStatistics Valid=1305, Invalid=7437, Unknown=0, NotChecked=0, Total=8742 [2020-09-04 15:50:48,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 15:50:48,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 15:50:48,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 15:50:48,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 15:50:48,561 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 655 [2020-09-04 15:50:48,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:50:48,561 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 15:50:48,561 INFO L480 AbstractCegarLoop]: Interpolant automaton has 26 states. [2020-09-04 15:50:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 15:50:48,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 15:50:48,562 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-09-04 15:50:48,564 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 15:51:20,820 WARN L193 SmtUtils]: Spent 32.21 s on a formula simplification. DAG size of input: 1579 DAG size of output: 1144 [2020-09-04 15:51:21,201 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:21,596 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:51:23,016 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 15:51:23,401 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:51:23,790 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:25,129 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 15:51:25,795 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:51:26,192 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:51:26,842 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:51:27,227 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:51:27,622 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:51:28,230 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 15:51:28,831 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 15:51:29,768 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 15:51:30,167 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:51:30,552 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:51:30,958 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:51:31,852 WARN L193 SmtUtils]: Spent 893.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:51:32,739 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 15:51:33,134 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:51:34,049 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:51:34,443 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:51:34,837 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:51:35,240 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:51:35,909 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:51:36,297 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:51:36,700 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:51:37,076 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:37,471 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:51:37,873 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:51:38,275 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:51:38,675 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:51:39,072 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:51:39,751 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:51:40,165 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:51:40,588 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:51:41,004 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:51:41,427 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:51:41,845 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:51:42,255 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:51:42,660 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:51:43,070 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:51:44,290 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 248 DAG size of output: 238 [2020-09-04 15:51:44,709 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:51:45,112 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:51:45,526 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:51:46,846 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 15:51:47,256 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:51:47,666 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:51:48,084 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:51:48,506 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:51:48,926 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:51:49,343 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:51:49,754 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:51:50,158 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:51:50,575 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:51:51,230 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:51:51,837 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 15:51:52,221 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:51:53,163 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 15:51:53,766 WARN L193 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 15:51:54,149 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:55,065 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:51:56,477 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 15:51:56,848 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:57,231 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:51:57,608 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:51:58,284 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:51:59,180 WARN L193 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:52:00,517 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 15:52:01,406 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 15:52:02,080 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:52:02,451 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:52:03,121 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:52:03,572 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:52:04,024 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 15:52:04,451 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:52:04,880 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 15:52:05,306 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:52:05,733 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 15:52:06,158 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 15:52:06,587 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:52:06,968 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:52:07,343 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:52:32,412 WARN L193 SmtUtils]: Spent 25.07 s on a formula simplification. DAG size of input: 1319 DAG size of output: 962 [2020-09-04 15:52:32,924 WARN L193 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:52:33,429 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:52:33,929 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:52:34,662 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 15:52:35,396 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 15:52:36,106 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 249 [2020-09-04 15:52:36,889 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2020-09-04 15:52:37,389 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:52:38,134 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 244 [2020-09-04 15:52:39,792 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 287 DAG size of output: 259 [2020-09-04 15:52:40,527 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 242 [2020-09-04 15:52:41,270 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 244 [2020-09-04 15:52:42,035 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 15:52:43,515 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 277 DAG size of output: 254 [2020-09-04 15:52:44,026 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:52:44,745 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 249 [2020-09-04 15:52:45,506 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 15:52:46,007 WARN L193 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:52:46,765 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 245 [2020-09-04 15:52:47,548 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2020-09-04 15:52:48,298 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 243 [2020-09-04 15:52:49,042 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 244 [2020-09-04 15:52:49,552 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:52:50,064 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:52:50,439 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:52:51,524 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2020-09-04 15:52:52,792 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:52:53,185 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:52:53,573 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:52:54,486 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:52:54,862 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:52:55,241 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:52:55,920 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:52:56,307 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:52:57,197 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:52:58,604 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 15:52:59,488 WARN L193 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 15:52:59,872 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:53:00,242 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:00,915 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:53:02,254 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 15:53:02,650 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:03,024 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:03,692 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:53:04,350 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:53:04,739 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:05,346 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 15:53:05,732 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:06,334 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 15:53:07,272 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 15:53:07,667 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:08,066 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:08,517 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:08,906 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:09,302 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:09,702 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:10,098 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:10,493 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:10,878 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:53:11,263 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:53:11,658 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:12,045 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:12,432 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:12,828 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:13,226 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:13,622 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:14,013 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:14,400 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:14,778 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:15,165 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:53:15,543 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:15,939 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:16,343 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:17,344 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 235 [2020-09-04 15:53:17,766 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:18,146 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:18,548 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:18,933 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:53:19,924 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 15:53:20,320 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:20,712 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:21,100 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:21,498 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:21,884 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:53:22,292 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:23,378 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 15:53:23,770 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:24,146 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:24,542 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:24,918 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:25,286 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:25,677 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:26,077 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:27,071 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:53:27,459 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:53:27,860 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:28,247 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:28,633 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:29,046 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:29,442 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:30,149 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:53:30,692 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:31,291 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:53:31,681 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:32,067 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:32,443 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:32,830 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:33,207 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:33,595 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:35,210 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2020-09-04 15:53:35,606 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:36,396 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 15:53:37,266 WARN L193 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 234 [2020-09-04 15:53:37,655 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:38,497 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 239 [2020-09-04 15:53:38,876 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:53:40,193 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 15:53:40,865 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:41,404 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:53:41,785 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:43,771 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 260 DAG size of output: 246 [2020-09-04 15:53:44,162 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:44,542 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:44,927 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:53:46,927 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-09-04 15:53:47,609 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:53:48,003 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:53:48,389 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:50,092 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 262 DAG size of output: 249 [2020-09-04 15:53:50,477 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:50,867 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:51,273 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:52,683 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 15:53:53,080 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:53,467 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:53,857 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:53:55,537 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-09-04 15:53:56,294 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 232 [2020-09-04 15:53:56,686 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:53:57,234 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 15:53:57,631 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:58,008 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:58,377 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:53:59,149 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 234 [2020-09-04 15:53:59,546 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:53:59,945 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:00,332 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:54:00,721 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:54:01,109 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:54:01,502 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:54:01,877 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:54:02,263 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:54:02,932 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 15:54:03,327 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:54:03,725 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:54:04,121 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:54:04,506 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:54:04,889 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:54:05,284 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:54:06,063 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 234 [2020-09-04 15:54:06,854 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 236 [2020-09-04 15:54:07,244 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:54:07,620 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:08,021 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:54:08,408 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:54:08,780 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:09,186 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:09,596 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:10,596 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 15:54:11,001 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:12,091 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 15:54:12,491 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:12,898 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:13,311 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:14,312 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 15:54:15,405 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 15:54:15,805 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:54:16,213 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:16,686 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 15:54:17,124 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:54:17,558 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:54:18,013 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 15:54:18,475 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 15:54:19,600 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2020-09-04 15:54:20,049 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:54:20,510 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:54:20,928 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:21,377 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:54:21,816 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:54:22,274 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 15:54:23,328 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 258 DAG size of output: 254 [2020-09-04 15:54:24,093 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:54:24,982 WARN L193 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 251 [2020-09-04 15:54:25,436 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 15:54:25,853 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:26,290 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:54:26,740 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:54:27,179 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:54:27,630 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:54:29,614 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 253 DAG size of output: 252 [2020-09-04 15:54:30,040 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:31,128 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 256 DAG size of output: 251 [2020-09-04 15:54:32,642 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 262 DAG size of output: 258 [2020-09-04 15:54:33,061 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:34,274 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 250 DAG size of output: 245 [2020-09-04 15:54:34,720 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 15:54:37,011 WARN L193 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 258 DAG size of output: 256 [2020-09-04 15:54:37,865 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:54:38,691 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-09-04 15:54:39,134 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 15:54:41,004 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 275 DAG size of output: 262 [2020-09-04 15:54:41,461 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 15:54:41,903 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 15:54:42,349 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:54:44,976 WARN L193 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 259 DAG size of output: 257 [2020-09-04 15:54:45,995 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 259 DAG size of output: 255 [2020-09-04 15:54:46,420 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:54:46,869 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:54:48,728 WARN L193 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 277 DAG size of output: 260 [2020-09-04 15:54:49,139 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:54:49,592 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:54:50,062 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 249 [2020-09-04 15:54:51,784 WARN L193 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-09-04 15:54:52,212 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:52,662 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:54:53,108 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 15:54:55,373 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-09-04 15:54:56,481 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 248 DAG size of output: 238 [2020-09-04 15:54:56,907 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:54:57,668 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 15:54:58,095 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:54:58,533 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:54:58,965 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:55:00,091 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 15:55:00,551 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 15:55:01,014 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-09-04 15:55:01,432 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:55:01,883 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 15:55:02,333 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:55:02,789 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 15:55:03,227 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 15:55:03,678 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:55:04,536 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 240 [2020-09-04 15:55:04,962 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:55:05,390 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:55:05,880 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 15:55:06,327 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 15:55:06,773 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:55:07,232 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 15:55:08,380 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 15:55:09,546 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 15:55:09,997 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:55:10,435 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:55:10,900 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification that was a NOOP. DAG size: 248 [2020-09-04 15:55:11,349 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:55:11,993 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:55:12,650 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:55:13,354 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 15:55:13,996 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:55:14,640 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:55:15,272 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 15:55:15,901 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 15:55:17,880 WARN L193 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 270 DAG size of output: 237 [2020-09-04 15:55:18,524 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:55:19,215 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:55:19,918 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 15:55:20,559 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:55:22,471 WARN L193 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 272 DAG size of output: 238 [2020-09-04 15:55:23,100 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 15:55:23,760 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:55:24,457 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:55:25,041 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:55:25,434 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:55:25,822 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:55:26,735 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:55:27,111 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:27,490 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:55:28,166 WARN L193 SmtUtils]: Spent 673.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:55:28,553 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:55:29,445 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:55:30,856 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 15:55:31,740 WARN L193 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 15:55:32,124 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:55:32,494 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:33,168 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:55:34,507 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 15:55:34,904 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:55:35,276 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:35,945 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:55:36,604 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:55:36,993 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:55:37,600 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 15:55:37,984 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:55:38,585 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 15:55:39,524 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 15:55:39,919 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:55:40,315 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:55:40,752 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:41,187 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:41,628 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:42,142 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:55:42,584 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:55:43,027 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:55:43,456 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:55:43,885 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:55:44,329 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:55:44,761 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:45,194 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:45,637 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:55:46,081 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 15:55:46,521 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:55:46,958 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:47,392 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:47,813 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:55:48,243 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:55:48,666 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:55:49,107 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:55:49,558 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:50,547 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 243 [2020-09-04 15:55:51,014 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 15:55:51,439 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:55:51,888 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:55:52,319 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:55:53,608 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-09-04 15:55:54,049 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:55:54,483 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:54,917 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:55:55,362 WARN L193 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 15:55:55,795 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:55:56,249 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 15:55:57,336 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 255 DAG size of output: 245 [2020-09-04 15:55:57,772 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:55:58,153 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:59,904 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-09-04 15:56:00,722 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:56:01,669 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 15:56:03,705 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 254 DAG size of output: 248 [2020-09-04 15:56:04,340 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:56:05,144 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:56:05,540 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:56:06,229 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 15:56:07,028 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 15:56:07,705 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 15:56:08,670 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 15:56:09,307 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-09-04 15:56:10,105 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:56:10,747 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:56:11,397 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:56:12,193 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:56:13,004 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 15:56:13,633 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:56:14,448 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:56:16,529 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-09-04 15:56:17,357 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 15:56:18,159 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 231 [2020-09-04 15:56:18,805 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 15:56:19,855 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 15:56:20,252 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:56:20,983 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:56:21,954 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 15:56:22,758 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 15:56:23,738 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 15:56:25,499 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 15:56:26,324 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:56:26,955 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-09-04 15:56:27,606 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:56:29,553 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 264 DAG size of output: 246 [2020-09-04 15:56:30,189 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:56:31,004 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 15:56:31,813 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:56:32,448 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:56:34,614 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 258 DAG size of output: 253 [2020-09-04 15:56:35,476 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:56:36,127 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:56:37,036 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-09-04 15:56:37,439 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:56:37,826 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:56:38,479 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:56:40,675 WARN L193 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-09-04 15:56:41,360 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 235 [2020-09-04 15:56:42,169 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:56:43,342 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 15:56:43,994 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:56:44,624 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:56:47,381 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 249 DAG size of output: 244 [2020-09-04 15:56:48,200 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:56:49,150 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 15:56:51,194 WARN L193 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 254 DAG size of output: 248 [2020-09-04 15:56:51,829 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:56:52,632 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:56:53,029 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:56:53,734 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 15:56:54,534 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 15:56:55,213 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 15:56:56,179 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 15:56:56,818 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 231 [2020-09-04 15:56:57,616 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:56:58,256 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:56:58,906 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:56:59,700 WARN L193 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:57:00,513 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 15:57:01,142 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:57:01,950 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:57:04,037 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 253 DAG size of output: 247 [2020-09-04 15:57:04,864 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 15:57:05,655 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 231 [2020-09-04 15:57:06,302 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 233 [2020-09-04 15:57:07,351 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-09-04 15:57:07,746 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:57:08,477 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:57:09,451 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 15:57:10,254 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 15:57:11,233 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 15:57:12,992 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 15:57:13,818 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:57:14,447 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 230 [2020-09-04 15:57:15,098 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:57:17,048 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 264 DAG size of output: 246 [2020-09-04 15:57:17,684 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:57:18,495 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 15:57:19,304 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:57:19,939 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:57:22,100 WARN L193 SmtUtils]: Spent 2.16 s on a formula simplification. DAG size of input: 258 DAG size of output: 253 [2020-09-04 15:57:22,893 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:57:23,543 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:57:24,453 WARN L193 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-09-04 15:57:24,856 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:57:25,307 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:57:25,963 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:57:28,161 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 266 DAG size of output: 246 [2020-09-04 15:57:28,847 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 235 [2020-09-04 15:57:29,655 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 231 [2020-09-04 15:57:30,828 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 15:57:31,479 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 232 [2020-09-04 15:57:32,109 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 229 [2020-09-04 15:57:32,494 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:57:32,878 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:57:33,272 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:57:33,675 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:57:34,073 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:57:34,460 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:34,847 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:35,241 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:57:35,626 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:57:36,002 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:57:36,390 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:36,766 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:57:37,156 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:37,553 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:57:37,947 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:38,966 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 241 DAG size of output: 235 [2020-09-04 15:57:39,384 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:57:39,772 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:57:40,169 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:57:40,567 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:57:40,955 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:57:41,947 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 15:57:42,348 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:57:42,735 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:57:43,126 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:43,532 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:57:43,924 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:57:44,311 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:44,698 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:45,087 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:46,174 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 15:57:46,568 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:57:46,967 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:57:47,364 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:57:47,760 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:57:48,177 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:57:48,613 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:57:49,041 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:57:49,480 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 15:57:49,913 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:57:50,339 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:57:50,757 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:57:51,182 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:57:52,435 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 251 DAG size of output: 241 [2020-09-04 15:57:52,870 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:57:53,288 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:57:53,717 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:57:54,980 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-09-04 15:57:55,405 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:57:55,831 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:57:56,264 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:57:56,701 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 15:57:57,137 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:57:57,572 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 15:57:57,998 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:57:58,417 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:57:58,847 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:57:59,295 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:57:59,728 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:58:00,187 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 15:58:00,654 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 15:58:01,098 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:58:02,480 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-09-04 15:58:02,912 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:58:03,353 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:58:03,807 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 15:58:05,331 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 266 DAG size of output: 255 [2020-09-04 15:58:05,799 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 15:58:06,250 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 15:58:06,701 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 246 [2020-09-04 15:58:07,167 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 15:58:07,610 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 15:58:08,051 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:58:08,728 WARN L193 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:58:09,382 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:58:09,990 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 15:58:10,366 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:58:10,749 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:58:11,669 WARN L193 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:58:12,038 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:58:12,976 WARN L193 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 15:58:13,576 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 15:58:14,988 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 254 DAG size of output: 235 [2020-09-04 15:58:15,373 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:58:16,716 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 256 DAG size of output: 239 [2020-09-04 15:58:17,099 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:58:17,775 WARN L193 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:58:18,148 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:58:19,041 WARN L193 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:58:19,927 WARN L193 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 15:58:20,597 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:58:29,712 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 15:58:29,904 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 15:58:30,097 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 15:58:30,816 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 15:58:31,525 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 15:58:31,779 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 15:58:32,034 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 15:58:32,230 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 32 [2020-09-04 15:58:32,425 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 32 [2020-09-04 15:58:33,130 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:58:33,838 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:58:34,093 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 15:58:34,346 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 15:58:35,055 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 15:58:35,765 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 15:58:35,969 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 15:58:36,169 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 15:58:36,878 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 15:58:37,585 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:58:38,293 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 15:58:38,998 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:58:39,258 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2020-09-04 15:58:39,518 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2020-09-04 15:58:39,711 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 15:58:39,912 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 15:58:40,112 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 15:58:40,312 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 15:58:40,542 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 33 [2020-09-04 15:58:40,795 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 15:58:41,025 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 33 [2020-09-04 15:58:41,229 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 29 [2020-09-04 15:58:41,433 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 29 [2020-09-04 15:58:41,634 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 15:58:41,834 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 15:58:42,545 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 15:58:43,265 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 15:58:43,988 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 15:58:44,697 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 232 [2020-09-04 15:58:44,952 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 15:58:45,206 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 29 [2020-09-04 15:58:45,910 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:58:46,614 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:58:47,347 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 15:58:48,065 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 15:58:48,324 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2020-09-04 15:58:48,524 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 30 [2020-09-04 15:58:48,784 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 31 [2020-09-04 15:58:48,983 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 30 [2020-09-04 15:58:49,253 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 33 [2020-09-04 15:58:49,522 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 33 [2020-09-04 15:58:49,722 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 15:58:49,924 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 31 [2020-09-04 15:58:50,631 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:58:51,351 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 234 [2020-09-04 15:58:52,055 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 233 [2020-09-04 15:58:52,453 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:58:52,851 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:58:53,251 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:58:53,663 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:58:54,066 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:58:55,058 WARN L193 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 235 [2020-09-04 15:58:55,445 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:58:55,848 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:58:56,235 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:58:56,632 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:58:57,027 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:58:57,425 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:58:58,520 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 15:58:58,915 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:58:59,311 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:58:59,766 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:59:00,154 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:59:00,552 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:59:00,958 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:59:01,353 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:59:01,754 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:59:02,149 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:59:02,555 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:59:02,959 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:59:03,374 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:03,791 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 15:59:04,211 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:04,618 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:05,026 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:05,441 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:05,846 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:59:06,243 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:59:06,668 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:07,065 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:59:07,488 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:07,906 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:59:08,316 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:59:09,503 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 15:59:09,926 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:59:10,333 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:59:10,751 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:11,170 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:11,579 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:59:12,426 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 237 [2020-09-04 15:59:12,833 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:59:13,239 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:59:13,663 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:14,085 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:59:14,498 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:59:14,923 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:15,331 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:15,743 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:16,897 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 253 DAG size of output: 239 [2020-09-04 15:59:17,301 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:59:17,736 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 15:59:18,153 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:18,583 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 15:59:18,989 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:59:19,395 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:59:19,810 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:20,228 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 15:59:20,647 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:21,054 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:21,463 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:21,879 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:22,284 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:59:22,681 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:59:23,104 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:23,501 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:59:23,923 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:24,340 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:59:24,751 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:59:25,937 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 247 DAG size of output: 237 [2020-09-04 15:59:26,362 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:59:26,768 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 15:59:27,185 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:27,603 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:28,011 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:59:28,858 WARN L193 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 237 [2020-09-04 15:59:29,265 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:59:29,673 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:59:30,098 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:30,519 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:59:30,933 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 15:59:31,358 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:31,766 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:32,176 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:33,330 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 253 DAG size of output: 239 [2020-09-04 15:59:33,733 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:59:34,168 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 15:59:34,587 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:35,019 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 15:59:35,447 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 15:59:35,876 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:59:36,314 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:36,744 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 236 [2020-09-04 15:59:37,187 WARN L193 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:37,617 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:59:38,049 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:59:38,487 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:38,915 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:59:39,334 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 15:59:39,803 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 15:59:40,222 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 15:59:40,688 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 15:59:41,127 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 15:59:41,550 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:59:42,865 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 253 DAG size of output: 240 [2020-09-04 15:59:43,298 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:59:43,726 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 15:59:44,166 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:44,607 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:45,040 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:59:45,940 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 239 [2020-09-04 15:59:46,355 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:59:46,786 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 15:59:47,254 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 15:59:47,689 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 15:59:48,124 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 15:59:48,593 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 15:59:49,026 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:59:49,458 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:59:50,754 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 259 DAG size of output: 241 [2020-09-04 15:59:51,164 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:59:51,643 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 245 [2020-09-04 15:59:52,083 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:59:52,560 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 245 [2020-09-04 15:59:52,951 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231