/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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 15:42:23,026 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 15:42:23,030 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 15:42:23,058 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 15:42:23,059 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 15:42:23,060 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 15:42:23,061 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 15:42:23,063 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 15:42:23,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 15:42:23,066 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 15:42:23,067 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 15:42:23,068 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 15:42:23,068 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 15:42:23,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 15:42:23,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 15:42:23,072 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 15:42:23,073 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 15:42:23,074 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 15:42:23,076 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 15:42:23,078 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 15:42:23,079 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 15:42:23,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 15:42:23,082 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 15:42:23,083 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 15:42:23,085 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 15:42:23,086 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 15:42:23,086 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 15:42:23,087 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 15:42:23,087 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 15:42:23,088 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 15:42:23,089 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 15:42:23,089 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 15:42:23,090 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 15:42:23,091 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 15:42:23,092 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 15:42:23,092 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 15:42:23,093 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 15:42:23,093 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 15:42:23,094 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 15:42:23,095 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 15:42:23,095 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 15:42:23,096 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 15:42:23,109 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 15:42:23,109 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 15:42:23,112 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 15:42:23,113 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 15:42:23,113 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 15:42:23,113 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 15:42:23,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 15:42:23,114 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 15:42:23,114 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 15:42:23,114 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 15:42:23,114 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 15:42:23,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 15:42:23,116 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 15:42:23,116 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 15:42:23,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 15:42:23,116 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 15:42:23,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 15:42:23,117 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 15:42:23,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 15:42:23,117 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 15:42:23,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 15:42:23,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 15:42:23,118 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 15:42:23,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 15:42:23,556 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 15:42:23,561 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 15:42:23,562 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 15:42:23,563 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 15:42:23,564 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-04 15:42:23,656 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56db3fc88/2bbb59d4963d449bbc09a5f97ff7da0a/FLAGe18cb11a3 [2020-09-04 15:42:24,235 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 15:42:24,237 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-04 15:42:24,255 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56db3fc88/2bbb59d4963d449bbc09a5f97ff7da0a/FLAGe18cb11a3 [2020-09-04 15:42:24,535 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/56db3fc88/2bbb59d4963d449bbc09a5f97ff7da0a [2020-09-04 15:42:24,547 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 15:42:24,549 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 15:42:24,550 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 15:42:24,551 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 15:42:24,555 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 15:42:24,556 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:42:24" (1/1) ... [2020-09-04 15:42:24,560 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@84c84f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:24, skipping insertion in model container [2020-09-04 15:42:24,560 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:42:24" (1/1) ... [2020-09-04 15:42:24,569 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 15:42:24,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 15:42:25,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:42:25,178 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 15:42:25,289 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:42:25,326 INFO L208 MainTranslator]: Completed translation [2020-09-04 15:42:25,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25 WrapperNode [2020-09-04 15:42:25,327 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 15:42:25,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 15:42:25,328 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 15:42:25,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 15:42:25,342 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25" (1/1) ... [2020-09-04 15:42:25,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25" (1/1) ... [2020-09-04 15:42:25,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25" (1/1) ... [2020-09-04 15:42:25,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25" (1/1) ... [2020-09-04 15:42:25,393 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25" (1/1) ... [2020-09-04 15:42:25,404 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25" (1/1) ... [2020-09-04 15:42:25,409 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25" (1/1) ... [2020-09-04 15:42:25,416 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 15:42:25,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 15:42:25,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 15:42:25,417 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 15:42:25,418 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25" (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 15:42:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 15:42:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 15:42:25,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 15:42:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 15:42:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 15:42:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 15:42:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 15:42:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 15:42:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 15:42:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:42:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:42:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:42:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 15:42:25,511 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 15:42:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 15:42:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 15:42:25,512 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 15:42:25,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 15:42:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 15:42:25,514 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 15:42:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 15:42:25,515 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 15:42:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 15:42:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 15:42:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 15:42:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 15:42:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 15:42:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:42:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 15:42:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 15:42:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 15:42:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 15:42:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 15:42:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 15:42:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 15:42:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 15:42:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 15:42:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 15:42:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 15:42:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 15:42:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 15:42:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 15:42:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 15:42:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 15:42:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 15:42:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 15:42:25,521 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 15:42:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 15:42:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 15:42:25,522 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 15:42:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 15:42:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 15:42:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:42:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 15:42:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 15:42:25,523 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 15:42:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 15:42:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 15:42:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 15:42:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 15:42:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 15:42:25,524 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:42:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:42:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 15:42:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 15:42:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 15:42:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 15:42:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 15:42:25,525 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 15:42:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 15:42:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 15:42:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 15:42:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 15:42:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 15:42:25,526 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 15:42:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 15:42:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 15:42:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 15:42:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 15:42:25,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 15:42:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 15:42:25,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 15:42:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 15:42:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 15:42:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 15:42:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 15:42:25,529 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 15:42:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 15:42:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 15:42:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 15:42:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:42:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 15:42:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 15:42:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 15:42:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 15:42:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 15:42:26,642 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 15:42:26,642 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 15:42:26,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:42:26 BoogieIcfgContainer [2020-09-04 15:42:26,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 15:42:26,651 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 15:42:26,651 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 15:42:26,655 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 15:42:26,655 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 03:42:24" (1/3) ... [2020-09-04 15:42:26,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ef6307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:42:26, skipping insertion in model container [2020-09-04 15:42:26,656 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:42:25" (2/3) ... [2020-09-04 15:42:26,656 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11ef6307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:42:26, skipping insertion in model container [2020-09-04 15:42:26,657 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:42:26" (3/3) ... [2020-09-04 15:42:26,659 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-09-04 15:42:26,670 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 15:42:26,681 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 15:42:26,703 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 15:42:26,731 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 15:42:26,731 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 15:42:26,731 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 15:42:26,731 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 15:42:26,732 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 15:42:26,732 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 15:42:26,732 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 15:42:26,732 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 15:42:26,754 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-04 15:42:26,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 15:42:26,779 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:42:26,780 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 15:42:26,780 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:42:26,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:42:26,788 INFO L82 PathProgramCache]: Analyzing trace with hash -548539878, now seen corresponding path program 1 times [2020-09-04 15:42:26,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:42:26,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178859553] [2020-09-04 15:42:26,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:42:26,887 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:42:27,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,616 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:42:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:27,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:42:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:42:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:42:27,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:42:27,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:42:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 15:42:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 15:42:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 15:42:27,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:27,828 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 15:42:27,830 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178859553] [2020-09-04 15:42:27,832 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:42:27,833 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 15:42:27,833 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [489298300] [2020-09-04 15:42:27,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 15:42:27,840 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:42:27,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 15:42:27,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 15:42:27,860 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 4 states. [2020-09-04 15:42:29,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:42:29,166 INFO L93 Difference]: Finished difference Result 505 states and 591 transitions. [2020-09-04 15:42:29,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 15:42:29,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 15:42:29,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:42:29,189 INFO L225 Difference]: With dead ends: 505 [2020-09-04 15:42:29,189 INFO L226 Difference]: Without dead ends: 318 [2020-09-04 15:42:29,195 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 15:42:29,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-04 15:42:29,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 272. [2020-09-04 15:42:29,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-09-04 15:42:29,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 295 transitions. [2020-09-04 15:42:29,369 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 295 transitions. Word has length 160 [2020-09-04 15:42:29,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:42:29,372 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 295 transitions. [2020-09-04 15:42:29,372 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 15:42:29,372 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 295 transitions. [2020-09-04 15:42:29,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 15:42:29,385 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:42:29,386 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 15:42:29,387 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 15:42:29,387 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:42:29,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:42:29,388 INFO L82 PathProgramCache]: Analyzing trace with hash -2128164298, now seen corresponding path program 1 times [2020-09-04 15:42:29,388 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:42:29,388 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082035421] [2020-09-04 15:42:29,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:42:29,391 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:42:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,841 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:42:29,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:29,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:42:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:42:29,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:42:29,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:42:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:42:29,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:42:29,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:42:29,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:42:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:29,938 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 15:42:29,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082035421] [2020-09-04 15:42:29,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:42:29,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 15:42:29,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158153135] [2020-09-04 15:42:29,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 15:42:29,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:42:29,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 15:42:29,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 15:42:29,942 INFO L87 Difference]: Start difference. First operand 272 states and 295 transitions. Second operand 5 states. [2020-09-04 15:42:30,669 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:31,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:42:31,772 INFO L93 Difference]: Finished difference Result 430 states and 483 transitions. [2020-09-04 15:42:31,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 15:42:31,773 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 15:42:31,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:42:31,778 INFO L225 Difference]: With dead ends: 430 [2020-09-04 15:42:31,778 INFO L226 Difference]: Without dead ends: 307 [2020-09-04 15:42:31,781 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 15:42:31,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-04 15:42:31,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-09-04 15:42:31,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-04 15:42:31,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-09-04 15:42:31,856 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 161 [2020-09-04 15:42:31,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:42:31,857 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-09-04 15:42:31,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 15:42:31,857 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-09-04 15:42:31,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 15:42:31,859 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:42:31,860 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 15:42:31,860 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 15:42:31,860 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:42:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:42:31,861 INFO L82 PathProgramCache]: Analyzing trace with hash -1816762298, now seen corresponding path program 1 times [2020-09-04 15:42:31,861 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:42:31,861 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1172610888] [2020-09-04 15:42:31,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:42:31,864 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:42:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,258 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:42:32,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:32,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:42:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:42:32,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:42:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:42:32,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:42:32,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:42:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:42:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:32,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 15:42:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 15:42:32,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:32,421 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 15:42:32,422 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1172610888] [2020-09-04 15:42:32,422 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:42:32,422 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:42:32,423 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269803498] [2020-09-04 15:42:32,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:42:32,424 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:42:32,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:42:32,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:42:32,424 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 11 states. [2020-09-04 15:42:33,101 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:42:33,640 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:42:34,008 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:42:34,273 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:42:34,551 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:42:34,880 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:42:36,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:42:36,686 INFO L93 Difference]: Finished difference Result 477 states and 548 transitions. [2020-09-04 15:42:36,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 15:42:36,687 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 15:42:36,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:42:36,691 INFO L225 Difference]: With dead ends: 477 [2020-09-04 15:42:36,691 INFO L226 Difference]: Without dead ends: 330 [2020-09-04 15:42:36,694 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 15:42:36,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-09-04 15:42:36,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 262. [2020-09-04 15:42:36,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-04 15:42:36,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 281 transitions. [2020-09-04 15:42:36,776 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 281 transitions. Word has length 174 [2020-09-04 15:42:36,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:42:36,778 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 281 transitions. [2020-09-04 15:42:36,778 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:42:36,779 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 281 transitions. [2020-09-04 15:42:36,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-04 15:42:36,782 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:42:36,782 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 15:42:36,782 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 15:42:36,782 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:42:36,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:42:36,783 INFO L82 PathProgramCache]: Analyzing trace with hash -113759087, now seen corresponding path program 1 times [2020-09-04 15:42:36,783 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:42:36,783 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919189531] [2020-09-04 15:42:36,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:42:36,786 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:42:36,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,176 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:42:37,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:37,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:42:37,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:42:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:42:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:42:37,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:42:37,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:42:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:42:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:42:37,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:37,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-04 15:42:37,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-04 15:42:37,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:37,408 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 15:42:37,408 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919189531] [2020-09-04 15:42:37,409 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:42:37,409 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:42:37,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643982943] [2020-09-04 15:42:37,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:42:37,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:42:37,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:42:37,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:42:37,412 INFO L87 Difference]: Start difference. First operand 262 states and 281 transitions. Second operand 8 states. [2020-09-04 15:42:37,975 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:42:39,978 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:40,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:42:40,827 INFO L93 Difference]: Finished difference Result 666 states and 793 transitions. [2020-09-04 15:42:40,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 15:42:40,828 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-09-04 15:42:40,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:42:40,833 INFO L225 Difference]: With dead ends: 666 [2020-09-04 15:42:40,833 INFO L226 Difference]: Without dead ends: 519 [2020-09-04 15:42:40,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:42:40,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-04 15:42:40,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 381. [2020-09-04 15:42:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-09-04 15:42:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 412 transitions. [2020-09-04 15:42:40,981 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 412 transitions. Word has length 187 [2020-09-04 15:42:40,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:42:40,982 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 412 transitions. [2020-09-04 15:42:40,982 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:42:40,982 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 412 transitions. [2020-09-04 15:42:40,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-04 15:42:40,984 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:42:40,985 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 15:42:40,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 15:42:40,985 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:42:40,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:42:40,986 INFO L82 PathProgramCache]: Analyzing trace with hash 2080657374, now seen corresponding path program 1 times [2020-09-04 15:42:40,986 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:42:40,986 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633849659] [2020-09-04 15:42:40,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:42:40,989 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:42:41,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,403 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:42:41,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:41,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:42:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:42:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:42:41,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:42:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:42:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:42:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:42:41,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:41,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:42:41,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:41,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:41,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:42:41,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:42:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-04 15:42:41,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-04 15:42:41,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:41,647 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 15:42:41,648 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633849659] [2020-09-04 15:42:41,648 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:42:41,648 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:42:41,648 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444075000] [2020-09-04 15:42:41,649 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:42:41,649 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:42:41,649 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:42:41,650 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:42:41,650 INFO L87 Difference]: Start difference. First operand 381 states and 412 transitions. Second operand 11 states. [2020-09-04 15:42:42,166 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:42:43,166 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:42:43,458 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:42:44,453 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:42:44,805 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:42:45,172 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:45,855 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:42:46,166 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:42:46,456 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:42:47,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:42:47,158 INFO L93 Difference]: Finished difference Result 784 states and 920 transitions. [2020-09-04 15:42:47,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 15:42:47,159 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-04 15:42:47,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:42:47,163 INFO L225 Difference]: With dead ends: 784 [2020-09-04 15:42:47,163 INFO L226 Difference]: Without dead ends: 518 [2020-09-04 15:42:47,165 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-04 15:42:47,166 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-09-04 15:42:47,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 380. [2020-09-04 15:42:47,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-09-04 15:42:47,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 409 transitions. [2020-09-04 15:42:47,264 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 409 transitions. Word has length 211 [2020-09-04 15:42:47,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:42:47,265 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 409 transitions. [2020-09-04 15:42:47,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:42:47,265 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 409 transitions. [2020-09-04 15:42:47,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 15:42:47,268 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:42:47,269 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] [2020-09-04 15:42:47,269 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 15:42:47,269 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:42:47,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:42:47,270 INFO L82 PathProgramCache]: Analyzing trace with hash -841990399, now seen corresponding path program 1 times [2020-09-04 15:42:47,270 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:42:47,270 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1118709480] [2020-09-04 15:42:47,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:42:47,273 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:42:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,568 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:42:47,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:42:47,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:42:47,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:42:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:42:47,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:42:47,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:42:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:42:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:47,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:42:47,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:42:47,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:42:47,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 15:42:47,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 15:42:47,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:47,767 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 15:42:47,768 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1118709480] [2020-09-04 15:42:47,768 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:42:47,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 15:42:47,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1817654635] [2020-09-04 15:42:47,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 15:42:47,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:42:47,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 15:42:47,770 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 15:42:47,770 INFO L87 Difference]: Start difference. First operand 380 states and 409 transitions. Second operand 11 states. [2020-09-04 15:42:49,262 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:42:49,571 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:42:49,888 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:42:50,194 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:50,524 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:42:50,810 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:51,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:42:51,809 INFO L93 Difference]: Finished difference Result 785 states and 916 transitions. [2020-09-04 15:42:51,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 15:42:51,811 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-09-04 15:42:51,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:42:51,815 INFO L225 Difference]: With dead ends: 785 [2020-09-04 15:42:51,815 INFO L226 Difference]: Without dead ends: 520 [2020-09-04 15:42:51,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 15:42:51,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-09-04 15:42:51,931 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 388. [2020-09-04 15:42:51,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-09-04 15:42:51,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 417 transitions. [2020-09-04 15:42:51,933 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 417 transitions. Word has length 212 [2020-09-04 15:42:51,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:42:51,934 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 417 transitions. [2020-09-04 15:42:51,934 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 15:42:51,934 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 417 transitions. [2020-09-04 15:42:51,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 15:42:51,936 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:42:51,936 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] [2020-09-04 15:42:51,936 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 15:42:51,937 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:42:51,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:42:51,937 INFO L82 PathProgramCache]: Analyzing trace with hash -967194783, now seen corresponding path program 1 times [2020-09-04 15:42:51,937 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:42:51,938 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1334107645] [2020-09-04 15:42:51,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:42:51,940 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:42:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,339 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:42:52,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:52,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:42:52,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:42:52,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:42:52,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:42:52,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:42:52,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:42:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:42:52,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:52,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:42:52,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:52,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:42:52,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:42:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 15:42:52,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 15:42:52,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:52,595 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 15:42:52,599 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1334107645] [2020-09-04 15:42:52,600 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:42:52,600 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 15:42:52,600 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [473186928] [2020-09-04 15:42:52,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 15:42:52,601 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:42:52,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 15:42:52,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 15:42:52,601 INFO L87 Difference]: Start difference. First operand 388 states and 417 transitions. Second operand 14 states. [2020-09-04 15:42:53,253 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:42:53,564 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:42:53,864 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:54,166 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:42:54,454 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:55,565 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:55,866 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:42:56,185 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:56,525 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:42:56,815 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:42:58,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:42:58,191 INFO L93 Difference]: Finished difference Result 804 states and 947 transitions. [2020-09-04 15:42:58,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 15:42:58,191 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-09-04 15:42:58,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:42:58,198 INFO L225 Difference]: With dead ends: 804 [2020-09-04 15:42:58,199 INFO L226 Difference]: Without dead ends: 531 [2020-09-04 15:42:58,200 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 15:42:58,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-09-04 15:42:58,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 394. [2020-09-04 15:42:58,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-09-04 15:42:58,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 423 transitions. [2020-09-04 15:42:58,343 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 423 transitions. Word has length 212 [2020-09-04 15:42:58,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:42:58,344 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 423 transitions. [2020-09-04 15:42:58,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 15:42:58,344 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 423 transitions. [2020-09-04 15:42:58,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 15:42:58,353 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:42:58,353 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] [2020-09-04 15:42:58,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 15:42:58,354 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:42:58,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:42:58,354 INFO L82 PathProgramCache]: Analyzing trace with hash -276700642, now seen corresponding path program 1 times [2020-09-04 15:42:58,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:42:58,355 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [270050627] [2020-09-04 15:42:58,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:42:58,358 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:42:58,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,730 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:42:58,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:58,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:42:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:42:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:42:58,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:42:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:42:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 15:42:58,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:42:58,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:42:58,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:42:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:42:58,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:42:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:42:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 15:42:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 15:42:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:42:58,939 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 15:42:58,940 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [270050627] [2020-09-04 15:42:58,940 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:42:58,940 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 15:42:58,941 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173741029] [2020-09-04 15:42:58,941 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 15:42:58,941 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:42:58,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 15:42:58,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 15:42:58,942 INFO L87 Difference]: Start difference. First operand 394 states and 423 transitions. Second operand 8 states. [2020-09-04 15:42:59,466 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:43:00,140 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:43:02,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:43:02,748 INFO L93 Difference]: Finished difference Result 1135 states and 1370 transitions. [2020-09-04 15:43:02,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 15:43:02,748 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-09-04 15:43:02,749 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:43:02,755 INFO L225 Difference]: With dead ends: 1135 [2020-09-04 15:43:02,755 INFO L226 Difference]: Without dead ends: 856 [2020-09-04 15:43:02,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-04 15:43:02,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-09-04 15:43:02,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 649. [2020-09-04 15:43:02,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-09-04 15:43:02,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 715 transitions. [2020-09-04 15:43:02,948 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 715 transitions. Word has length 212 [2020-09-04 15:43:02,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:43:02,949 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 715 transitions. [2020-09-04 15:43:02,949 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 15:43:02,949 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 715 transitions. [2020-09-04 15:43:02,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 15:43:02,951 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:43:02,951 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] [2020-09-04 15:43:02,952 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 15:43:02,952 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:43:02,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:43:02,952 INFO L82 PathProgramCache]: Analyzing trace with hash -61438169, now seen corresponding path program 1 times [2020-09-04 15:43:02,952 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:43:02,953 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838022035] [2020-09-04 15:43:02,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:43:02,955 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:43:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,388 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:43:03,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:03,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:43:03,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:43:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:43:03,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:43:03,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:43:03,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:43:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:43:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:43:03,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 15:43:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:03,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:43:03,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:43:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 15:43:03,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 15:43:03,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:03,718 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 15:43:03,718 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1838022035] [2020-09-04 15:43:03,719 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:43:03,719 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 15:43:03,719 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350463360] [2020-09-04 15:43:03,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 15:43:03,720 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:43:03,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 15:43:03,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 15:43:03,720 INFO L87 Difference]: Start difference. First operand 649 states and 715 transitions. Second operand 15 states. [2020-09-04 15:43:04,566 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:43:05,494 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:43:07,499 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 15:43:08,098 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:43:08,440 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:43:08,761 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:43:09,344 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 15:43:09,640 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:43:09,986 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:43:10,284 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:43:12,521 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:43:12,808 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:43:13,122 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:43:13,858 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:43:15,534 WARN L193 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 15:43:16,133 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 15:43:16,773 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:43:17,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:43:17,481 INFO L93 Difference]: Finished difference Result 2014 states and 2423 transitions. [2020-09-04 15:43:17,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 15:43:17,482 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-09-04 15:43:17,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:43:17,491 INFO L225 Difference]: With dead ends: 2014 [2020-09-04 15:43:17,491 INFO L226 Difference]: Without dead ends: 1587 [2020-09-04 15:43:17,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-09-04 15:43:17,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-09-04 15:43:17,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1146. [2020-09-04 15:43:17,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2020-09-04 15:43:17,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1253 transitions. [2020-09-04 15:43:17,852 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1253 transitions. Word has length 217 [2020-09-04 15:43:17,852 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:43:17,853 INFO L479 AbstractCegarLoop]: Abstraction has 1146 states and 1253 transitions. [2020-09-04 15:43:17,853 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 15:43:17,853 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1253 transitions. [2020-09-04 15:43:17,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-09-04 15:43:17,856 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:43:17,856 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:43:17,857 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 15:43:17,857 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:43:17,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:43:17,857 INFO L82 PathProgramCache]: Analyzing trace with hash 1808104870, now seen corresponding path program 1 times [2020-09-04 15:43:17,857 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:43:17,858 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1767157993] [2020-09-04 15:43:17,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:43:17,903 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:43:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,312 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:43:18,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:43:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:43:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:43:18,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:43:18,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:43:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:43:18,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:43:18,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:43:18,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:18,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:43:18,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:18,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:43:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:43:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:43:18,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:18,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:43:18,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:43:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 15:43:18,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-04 15:43:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:43:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:43:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-04 15:43:18,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-04 15:43:18,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:18,806 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 15:43:18,806 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1767157993] [2020-09-04 15:43:18,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:43:18,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:43:18,807 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952076625] [2020-09-04 15:43:18,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:43:18,808 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:43:18,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:43:18,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:43:18,809 INFO L87 Difference]: Start difference. First operand 1146 states and 1253 transitions. Second operand 19 states. [2020-09-04 15:43:19,549 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:43:19,973 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:43:20,317 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:43:20,681 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:43:21,011 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:43:21,331 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:43:22,476 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:43:22,816 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:43:23,137 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:43:23,759 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 15:43:24,802 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:43:25,386 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:43:25,770 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 15:43:27,882 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:43:28,492 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:43:28,835 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:43:29,439 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:43:29,897 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:43:30,788 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:43:31,455 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:43:31,851 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:43:32,615 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 15:43:33,280 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 15:43:35,009 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 15:43:35,342 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:43:36,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:43:36,967 INFO L93 Difference]: Finished difference Result 2789 states and 3239 transitions. [2020-09-04 15:43:36,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 15:43:36,968 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 303 [2020-09-04 15:43:36,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:43:36,979 INFO L225 Difference]: With dead ends: 2789 [2020-09-04 15:43:36,979 INFO L226 Difference]: Without dead ends: 1860 [2020-09-04 15:43:36,984 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 15:43:36,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-09-04 15:43:37,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1377. [2020-09-04 15:43:37,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-09-04 15:43:37,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1512 transitions. [2020-09-04 15:43:37,655 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1512 transitions. Word has length 303 [2020-09-04 15:43:37,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:43:37,656 INFO L479 AbstractCegarLoop]: Abstraction has 1377 states and 1512 transitions. [2020-09-04 15:43:37,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:43:37,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1512 transitions. [2020-09-04 15:43:37,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-09-04 15:43:37,663 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:43:37,664 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:43:37,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 15:43:37,664 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:43:37,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:43:37,665 INFO L82 PathProgramCache]: Analyzing trace with hash -473333949, now seen corresponding path program 1 times [2020-09-04 15:43:37,665 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:43:37,665 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913778886] [2020-09-04 15:43:37,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:43:37,688 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:43:37,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,118 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:43:38,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:38,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:43:38,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:43:38,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:43:38,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:43:38,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:43:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:43:38,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:43:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:43:38,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:38,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:43:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:43:38,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:43:38,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:43:38,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:43:38,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:43:38,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:38,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:43:38,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:43:38,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:43:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:43:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:43:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-09-04 15:43:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 15:43:38,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:38,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:38,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:43:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:43:38,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:43:38,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:43:38,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:43:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2020-09-04 15:43:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2020-09-04 15:43:38,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:38,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-09-04 15:43:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:43:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:43:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-09-04 15:43:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-09-04 15:43:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:38,713 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 15:43:38,714 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913778886] [2020-09-04 15:43:38,714 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:43:38,714 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:43:38,714 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136182756] [2020-09-04 15:43:38,715 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:43:38,715 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:43:38,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:43:38,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:43:38,716 INFO L87 Difference]: Start difference. First operand 1377 states and 1512 transitions. Second operand 17 states. [2020-09-04 15:43:41,035 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:43:41,352 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:43:41,666 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:43:41,990 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:43:42,289 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:43:42,584 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:43:45,175 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:43:45,504 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:43:47,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:43:47,495 INFO L93 Difference]: Finished difference Result 4050 states and 4808 transitions. [2020-09-04 15:43:47,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 15:43:47,496 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 473 [2020-09-04 15:43:47,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:43:47,513 INFO L225 Difference]: With dead ends: 4050 [2020-09-04 15:43:47,513 INFO L226 Difference]: Without dead ends: 2593 [2020-09-04 15:43:47,519 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 15:43:47,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2020-09-04 15:43:48,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 1775. [2020-09-04 15:43:48,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-09-04 15:43:48,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1982 transitions. [2020-09-04 15:43:48,313 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1982 transitions. Word has length 473 [2020-09-04 15:43:48,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:43:48,314 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 1982 transitions. [2020-09-04 15:43:48,314 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:43:48,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1982 transitions. [2020-09-04 15:43:48,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2020-09-04 15:43:48,320 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:43:48,320 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, 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, 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 15:43:48,320 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 15:43:48,321 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:43:48,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:43:48,321 INFO L82 PathProgramCache]: Analyzing trace with hash 327340526, now seen corresponding path program 1 times [2020-09-04 15:43:48,321 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:43:48,321 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410767313] [2020-09-04 15:43:48,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:43:48,339 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:43:48,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,702 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:43:48,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:48,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:43:48,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:43:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:43:48,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:43:48,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:43:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:43:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:43:48,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:43:48,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:48,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:48,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:43:48,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:48,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:48,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:43:48,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:43:48,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:43:48,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:48,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:43:48,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:43:48,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:48,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:43:48,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:43:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:43:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:43:48,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:48,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:48,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:43:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:49,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:43:49,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-09-04 15:43:49,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-09-04 15:43:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:49,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:49,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:43:49,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:43:49,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:43:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:43:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:43:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-09-04 15:43:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-04 15:43:49,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-09-04 15:43:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:43:49,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-09-04 15:43:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:49,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:43:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:43:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:43:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-09-04 15:43:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-09-04 15:43:49,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:43:49,267 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 15:43:49,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410767313] [2020-09-04 15:43:49,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:43:49,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:43:49,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079643977] [2020-09-04 15:43:49,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:43:49,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:43:49,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:43:49,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:43:49,270 INFO L87 Difference]: Start difference. First operand 1775 states and 1982 transitions. Second operand 19 states. [2020-09-04 15:43:49,899 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:43:50,319 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:43:50,643 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:43:50,964 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:43:51,282 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:43:51,585 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:43:52,720 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:43:53,071 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:43:54,141 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:43:54,681 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:43:55,064 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:43:55,465 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:43:56,653 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:43:56,967 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:43:58,096 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:43:58,438 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:43:58,750 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:44:00,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:44:00,367 INFO L93 Difference]: Finished difference Result 3740 states and 4388 transitions. [2020-09-04 15:44:00,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 15:44:00,368 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 487 [2020-09-04 15:44:00,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:44:00,380 INFO L225 Difference]: With dead ends: 3740 [2020-09-04 15:44:00,380 INFO L226 Difference]: Without dead ends: 2218 [2020-09-04 15:44:00,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 15:44:00,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2020-09-04 15:44:01,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 1703. [2020-09-04 15:44:01,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-09-04 15:44:01,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1883 transitions. [2020-09-04 15:44:01,125 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1883 transitions. Word has length 487 [2020-09-04 15:44:01,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:44:01,126 INFO L479 AbstractCegarLoop]: Abstraction has 1703 states and 1883 transitions. [2020-09-04 15:44:01,126 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:44:01,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1883 transitions. [2020-09-04 15:44:01,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-09-04 15:44:01,133 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:44:01,133 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:01,133 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 15:44:01,134 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:44:01,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:44:01,134 INFO L82 PathProgramCache]: Analyzing trace with hash -463950692, now seen corresponding path program 1 times [2020-09-04 15:44:01,134 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:44:01,135 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [589515683] [2020-09-04 15:44:01,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:44:01,155 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:44:01,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,573 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:44:01,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:44:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:44:01,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:44:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:44:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:44:01,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:44:01,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:44:01,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:44:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:44:01,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:44:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:44:01,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:44:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:01,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:44:01,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:44:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:01,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:44:01,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:44:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:44:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:44:01,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:44:01,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:44:01,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2020-09-04 15:44:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-04 15:44:01,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:01,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:01,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:44:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:44:01,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:01,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:01,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:44:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:44:02,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:44:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:02,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-09-04 15:44:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-09-04 15:44:02,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-09-04 15:44:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:02,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:02,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:44:02,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:44:02,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2020-09-04 15:44:02,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2020-09-04 15:44:02,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:02,414 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 15:44:02,415 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [589515683] [2020-09-04 15:44:02,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:44:02,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:44:02,415 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075852246] [2020-09-04 15:44:02,416 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:44:02,416 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:44:02,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:44:02,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:44:02,417 INFO L87 Difference]: Start difference. First operand 1703 states and 1883 transitions. Second operand 17 states. [2020-09-04 15:44:03,052 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:44:04,255 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:44:08,071 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:08,406 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:08,760 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:09,092 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:44:09,429 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:09,792 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:44:10,103 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:10,441 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:10,769 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:44:11,105 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:11,437 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:44:11,766 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:44:12,390 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 15:44:12,721 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:44:13,322 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 15:44:13,677 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:44:14,047 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:44:14,395 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:44:16,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:44:16,417 INFO L93 Difference]: Finished difference Result 5515 states and 6515 transitions. [2020-09-04 15:44:16,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-09-04 15:44:16,418 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 484 [2020-09-04 15:44:16,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:44:16,437 INFO L225 Difference]: With dead ends: 5515 [2020-09-04 15:44:16,437 INFO L226 Difference]: Without dead ends: 3940 [2020-09-04 15:44:16,444 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-09-04 15:44:16,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2020-09-04 15:44:17,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3048. [2020-09-04 15:44:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3048 states. [2020-09-04 15:44:17,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 3339 transitions. [2020-09-04 15:44:17,578 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 3339 transitions. Word has length 484 [2020-09-04 15:44:17,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:44:17,579 INFO L479 AbstractCegarLoop]: Abstraction has 3048 states and 3339 transitions. [2020-09-04 15:44:17,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:44:17,579 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3339 transitions. [2020-09-04 15:44:17,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-09-04 15:44:17,588 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:44:17,588 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:17,589 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 15:44:17,589 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:44:17,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:44:17,589 INFO L82 PathProgramCache]: Analyzing trace with hash -339543744, now seen corresponding path program 1 times [2020-09-04 15:44:17,589 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:44:17,590 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796681167] [2020-09-04 15:44:17,590 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:44:17,608 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:44:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,023 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:44:18,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:18,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:44:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:44:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:44:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:44:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:44:18,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:44:18,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 15:44:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 15:44:18,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 15:44:18,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:18,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:18,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:44:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:44:18,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:44:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:44:18,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 15:44:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 15:44:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:18,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:18,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:44:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:44:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:44:18,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:44:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:44:18,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:44:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:44:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:44:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:44:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:44:18,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:44:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:44:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:44:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-09-04 15:44:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-09-04 15:44:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:18,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 15:44:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:18,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:44:18,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:44:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-09-04 15:44:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-09-04 15:44:18,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:18,766 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 15:44:18,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796681167] [2020-09-04 15:44:18,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:44:18,767 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-09-04 15:44:18,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115262561] [2020-09-04 15:44:18,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 15:44:18,768 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:44:18,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 15:44:18,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:44:18,768 INFO L87 Difference]: Start difference. First operand 3048 states and 3339 transitions. Second operand 23 states. [2020-09-04 15:44:19,449 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:44:19,889 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:44:20,217 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:44:20,549 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:20,946 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:44:21,255 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:22,400 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:44:27,805 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:28,146 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:28,515 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:28,858 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:29,193 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:29,529 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:29,848 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:30,191 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:30,529 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:30,915 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:31,228 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:31,646 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:32,278 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:44:32,920 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:44:33,522 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:44:36,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:44:36,671 INFO L93 Difference]: Finished difference Result 6688 states and 7753 transitions. [2020-09-04 15:44:36,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-09-04 15:44:36,672 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 489 [2020-09-04 15:44:36,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:44:36,697 INFO L225 Difference]: With dead ends: 6688 [2020-09-04 15:44:36,697 INFO L226 Difference]: Without dead ends: 4012 [2020-09-04 15:44:36,706 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1819 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 15:44:36,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4012 states. [2020-09-04 15:44:37,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4012 to 2843. [2020-09-04 15:44:37,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-09-04 15:44:37,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3111 transitions. [2020-09-04 15:44:37,854 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3111 transitions. Word has length 489 [2020-09-04 15:44:37,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:44:37,854 INFO L479 AbstractCegarLoop]: Abstraction has 2843 states and 3111 transitions. [2020-09-04 15:44:37,854 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 15:44:37,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3111 transitions. [2020-09-04 15:44:37,863 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-09-04 15:44:37,863 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:44:37,864 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:44:37,864 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 15:44:37,864 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:44:37,864 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:44:37,865 INFO L82 PathProgramCache]: Analyzing trace with hash -1337240858, now seen corresponding path program 2 times [2020-09-04 15:44:37,865 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:44:37,865 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2072737880] [2020-09-04 15:44:37,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:44:37,886 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:44:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,320 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:44:38,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:44:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:44:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:44:38,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:44:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:44:38,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:44:38,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:44:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:44:38,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:38,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:38,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:44:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:44:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:44:38,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:44:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:44:38,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:44:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:38,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:44:38,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:44:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:44:38,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:44:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:44:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:44:38,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 15:44:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:44:38,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:44:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:44:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:44:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:44:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:44:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:44:38,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-09-04 15:44:38,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-09-04 15:44:38,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:38,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 15:44:38,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:38,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:44:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:44:38,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-09-04 15:44:38,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-09-04 15:44:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:38,955 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 15:44:38,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2072737880] [2020-09-04 15:44:38,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:44:38,956 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:44:38,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1288385383] [2020-09-04 15:44:38,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:44:38,956 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:44:38,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:44:38,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:44:38,957 INFO L87 Difference]: Start difference. First operand 2843 states and 3111 transitions. Second operand 19 states. [2020-09-04 15:44:39,621 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:44:42,183 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:42,519 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:43,138 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:44:43,451 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:44:44,041 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:44:44,356 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:44:44,921 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:44:45,250 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:45,587 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:45,894 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:46,285 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:44:49,790 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:44:50,122 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:44:54,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:44:54,809 INFO L93 Difference]: Finished difference Result 6904 states and 8177 transitions. [2020-09-04 15:44:54,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 15:44:54,809 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 489 [2020-09-04 15:44:54,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:44:54,835 INFO L225 Difference]: With dead ends: 6904 [2020-09-04 15:44:54,835 INFO L226 Difference]: Without dead ends: 5212 [2020-09-04 15:44:54,843 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 139 SyntacticMatches, 6 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2031 ImplicationChecksByTransitivity, 6.8s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-09-04 15:44:54,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2020-09-04 15:44:56,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 3390. [2020-09-04 15:44:56,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3390 states. [2020-09-04 15:44:56,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 3696 transitions. [2020-09-04 15:44:56,257 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 3696 transitions. Word has length 489 [2020-09-04 15:44:56,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:44:56,257 INFO L479 AbstractCegarLoop]: Abstraction has 3390 states and 3696 transitions. [2020-09-04 15:44:56,257 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:44:56,257 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 3696 transitions. [2020-09-04 15:44:56,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-09-04 15:44:56,265 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:44:56,265 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, 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, 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] [2020-09-04 15:44:56,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 15:44:56,266 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:44:56,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:44:56,266 INFO L82 PathProgramCache]: Analyzing trace with hash 896342264, now seen corresponding path program 1 times [2020-09-04 15:44:56,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:44:56,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907300151] [2020-09-04 15:44:56,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:44:56,281 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:44:56,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,663 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:44:56,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:44:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:44:56,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:44:56,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:44:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:44:56,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:44:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:44:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:44:56,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:56,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:56,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:44:56,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:44:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:44:56,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:44:56,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:56,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:44:56,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:44:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:56,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:44:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:44:56,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:56,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:44:56,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:44:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:56,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:44:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:56,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:56,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:44:56,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 15:44:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:44:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:44:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:44:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:44:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:57,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:44:57,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:44:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:44:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:44:57,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-09-04 15:44:57,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-09-04 15:44:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 15:44:57,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:44:57,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 15:44:57,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:57,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:44:57,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:44:57,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:44:57,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2020-09-04 15:44:57,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-09-04 15:44:57,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:44:57,542 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 15:44:57,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907300151] [2020-09-04 15:44:57,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:44:57,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-09-04 15:44:57,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906424680] [2020-09-04 15:44:57,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 15:44:57,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:44:57,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 15:44:57,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-09-04 15:44:57,545 INFO L87 Difference]: Start difference. First operand 3390 states and 3696 transitions. Second operand 19 states. [2020-09-04 15:44:58,367 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:00,251 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:01,653 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:45:02,080 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:45:03,152 WARN L193 SmtUtils]: Spent 954.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:45:03,569 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:45:04,340 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 15:45:04,742 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:45:05,321 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:45:05,964 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 15:45:06,623 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 15:45:07,222 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 15:45:07,518 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:10,747 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:45:11,078 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:45:12,271 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:13,431 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:45:13,768 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:45:14,383 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:45:14,693 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:45:15,317 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:45:15,639 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:45:16,254 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:45:16,620 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:45:17,110 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:45:17,445 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:45:24,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:45:24,158 INFO L93 Difference]: Finished difference Result 9142 states and 10911 transitions. [2020-09-04 15:45:24,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-09-04 15:45:24,158 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 504 [2020-09-04 15:45:24,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:45:24,191 INFO L225 Difference]: With dead ends: 9142 [2020-09-04 15:45:24,191 INFO L226 Difference]: Without dead ends: 7142 [2020-09-04 15:45:24,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 170 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5679 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-09-04 15:45:24,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7142 states. [2020-09-04 15:45:25,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7142 to 4153. [2020-09-04 15:45:25,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4153 states. [2020-09-04 15:45:25,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 4153 states and 4511 transitions. [2020-09-04 15:45:25,719 INFO L78 Accepts]: Start accepts. Automaton has 4153 states and 4511 transitions. Word has length 504 [2020-09-04 15:45:25,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:45:25,720 INFO L479 AbstractCegarLoop]: Abstraction has 4153 states and 4511 transitions. [2020-09-04 15:45:25,720 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 15:45:25,720 INFO L276 IsEmpty]: Start isEmpty. Operand 4153 states and 4511 transitions. [2020-09-04 15:45:25,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-09-04 15:45:25,728 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:45:25,728 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 15:45:25,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 15:45:25,729 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:45:25,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:45:25,729 INFO L82 PathProgramCache]: Analyzing trace with hash 604620519, now seen corresponding path program 1 times [2020-09-04 15:45:25,729 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:45:25,729 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [633377867] [2020-09-04 15:45:25,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:45:25,751 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:45:25,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,143 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:45:26,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:45:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:45:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:45:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:45:26,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:45:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:45:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:45:26,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:45:26,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:45:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:45:26,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:45:26,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:45:26,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:45:26,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:45:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:45:26,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:45:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:45:26,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:45:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:45:26,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:45:26,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-09-04 15:45:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:45:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:45:26,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:45:26,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:45:26,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:45:26,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:45:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:45:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:45:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-09-04 15:45:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 15:45:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:45:26,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:45:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:45:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:45:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:45:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:45:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2020-09-04 15:45:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-09-04 15:45:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-09-04 15:45:26,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:26,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-09-04 15:45:26,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:26,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:45:26,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:45:26,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-09-04 15:45:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2020-09-04 15:45:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:26,764 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 15:45:26,764 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [633377867] [2020-09-04 15:45:26,765 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:45:26,765 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:45:26,765 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [869658658] [2020-09-04 15:45:26,765 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:45:26,766 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:45:26,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:45:26,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:45:26,766 INFO L87 Difference]: Start difference. First operand 4153 states and 4511 transitions. Second operand 18 states. [2020-09-04 15:45:27,425 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:28,461 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:29,659 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:30,642 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:45:31,002 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:45:31,637 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:45:31,976 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:45:32,591 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:45:32,917 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:45:33,486 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:45:40,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:45:40,726 INFO L93 Difference]: Finished difference Result 8573 states and 9936 transitions. [2020-09-04 15:45:40,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-09-04 15:45:40,727 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 595 [2020-09-04 15:45:40,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:45:40,752 INFO L225 Difference]: With dead ends: 8573 [2020-09-04 15:45:40,752 INFO L226 Difference]: Without dead ends: 5865 [2020-09-04 15:45:40,761 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 161 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1744 ImplicationChecksByTransitivity, 5.4s TimeCoverageRelationStatistics Valid=1049, Invalid=4207, Unknown=0, NotChecked=0, Total=5256 [2020-09-04 15:45:40,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2020-09-04 15:45:42,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 3897. [2020-09-04 15:45:42,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2020-09-04 15:45:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 4192 transitions. [2020-09-04 15:45:42,154 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 4192 transitions. Word has length 595 [2020-09-04 15:45:42,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:45:42,154 INFO L479 AbstractCegarLoop]: Abstraction has 3897 states and 4192 transitions. [2020-09-04 15:45:42,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:45:42,154 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 4192 transitions. [2020-09-04 15:45:42,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-09-04 15:45:42,161 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:45:42,161 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 15:45:42,162 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 15:45:42,162 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:45:42,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:45:42,162 INFO L82 PathProgramCache]: Analyzing trace with hash -281354309, now seen corresponding path program 2 times [2020-09-04 15:45:42,162 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:45:42,162 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [945844405] [2020-09-04 15:45:42,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:45:42,176 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:45:42,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,618 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:45:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:45:42,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:45:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:45:42,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:45:42,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:45:42,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:45:42,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:45:42,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:45:42,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:45:42,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:45:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:45:42,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:45:42,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:45:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:45:42,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:45:42,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:45:42,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:45:42,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:45:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:45:42,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:45:42,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-09-04 15:45:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:45:42,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:45:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:45:42,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:45:42,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:45:42,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:45:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:45:42,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:45:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-09-04 15:45:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 15:45:42,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:45:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:45:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:45:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:45:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:45:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:45:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:45:42,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 15:45:42,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-09-04 15:45:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-09-04 15:45:42,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-09-04 15:45:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:45:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:45:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-09-04 15:45:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:42,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-09-04 15:45:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:43,228 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 15:45:43,229 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [945844405] [2020-09-04 15:45:43,229 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:45:43,229 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 15:45:43,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1389998211] [2020-09-04 15:45:43,230 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 15:45:43,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:45:43,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 15:45:43,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-09-04 15:45:43,230 INFO L87 Difference]: Start difference. First operand 3897 states and 4192 transitions. Second operand 15 states. [2020-09-04 15:45:43,851 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:44,654 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:45,678 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:45:49,419 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:54,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:45:54,194 INFO L93 Difference]: Finished difference Result 9336 states and 10830 transitions. [2020-09-04 15:45:54,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-09-04 15:45:54,196 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 606 [2020-09-04 15:45:54,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:45:54,220 INFO L225 Difference]: With dead ends: 9336 [2020-09-04 15:45:54,220 INFO L226 Difference]: Without dead ends: 6884 [2020-09-04 15:45:54,229 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2620 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1284, Invalid=6026, Unknown=0, NotChecked=0, Total=7310 [2020-09-04 15:45:54,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6884 states. [2020-09-04 15:45:55,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6884 to 4401. [2020-09-04 15:45:55,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4401 states. [2020-09-04 15:45:55,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 4401 states and 4731 transitions. [2020-09-04 15:45:55,866 INFO L78 Accepts]: Start accepts. Automaton has 4401 states and 4731 transitions. Word has length 606 [2020-09-04 15:45:55,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:45:55,866 INFO L479 AbstractCegarLoop]: Abstraction has 4401 states and 4731 transitions. [2020-09-04 15:45:55,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 15:45:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 4401 states and 4731 transitions. [2020-09-04 15:45:55,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-09-04 15:45:55,876 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:45:55,877 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:45:55,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 15:45:55,877 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:45:55,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:45:55,878 INFO L82 PathProgramCache]: Analyzing trace with hash -2069772295, now seen corresponding path program 1 times [2020-09-04 15:45:55,878 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:45:55,878 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1716726190] [2020-09-04 15:45:55,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:45:55,889 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:45:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,383 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:45:56,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:45:56,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:45:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:45:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:45:56,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:45:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:45:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:45:56,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:45:56,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:45:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:45:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:45:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 15:45:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 15:45:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 15:45:56,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:45:56,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:45:56,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:45:56,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:45:56,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 15:45:56,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:45:56,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 15:45:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 15:45:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 15:45:56,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:45:56,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:45:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:45:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:45:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:45:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:45:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-09-04 15:45:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-09-04 15:45:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 15:45:56,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:45:56,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:45:56,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:45:56,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 15:45:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:45:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 15:45:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-09-04 15:45:56,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-09-04 15:45:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:45:56,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-09-04 15:45:56,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:45:56,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:45:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:45:56,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-09-04 15:45:56,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-09-04 15:45:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:45:56,947 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 15:45:56,948 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1716726190] [2020-09-04 15:45:56,948 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:45:56,948 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:45:56,948 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926803635] [2020-09-04 15:45:56,949 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:45:56,949 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:45:56,949 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:45:56,950 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:45:56,950 INFO L87 Difference]: Start difference. First operand 4401 states and 4731 transitions. Second operand 17 states. [2020-09-04 15:45:57,588 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:58,476 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:45:59,559 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:46:00,494 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:00,810 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:46:01,172 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:01,489 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:46:01,825 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:02,154 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:46:02,458 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:46:07,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:46:07,916 INFO L93 Difference]: Finished difference Result 8629 states and 9794 transitions. [2020-09-04 15:46:07,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-09-04 15:46:07,917 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 606 [2020-09-04 15:46:07,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:46:07,921 INFO L225 Difference]: With dead ends: 8629 [2020-09-04 15:46:07,921 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 15:46:07,940 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 169 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=994, Invalid=3836, Unknown=0, NotChecked=0, Total=4830 [2020-09-04 15:46:07,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 15:46:07,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 15:46:07,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 15:46:07,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 15:46:07,942 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 606 [2020-09-04 15:46:07,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:46:07,943 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 15:46:07,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:46:07,943 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 15:46:07,943 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 15:46:07,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-04 15:46:07,946 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 15:46:08,177 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:46:08,578 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:46:08,764 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:46:09,159 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:09,625 WARN L193 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 15:46:10,003 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:46:10,364 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 15:46:10,768 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:46:11,143 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 15:46:12,449 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-09-04 15:46:12,837 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:46:14,041 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 15:46:14,422 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 15:46:14,595 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:46:15,186 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 197 [2020-09-04 15:46:15,556 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:46:15,955 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:46:16,880 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:46:17,058 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:46:17,439 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 15:46:18,673 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-09-04 15:46:18,854 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:46:19,237 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-09-04 15:46:19,565 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-04 15:46:19,737 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 15:46:20,276 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 15:46:20,613 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 197 [2020-09-04 15:46:20,791 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:46:21,595 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:46:21,965 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:46:23,260 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 15:46:23,438 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:46:23,617 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:46:24,003 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:24,186 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:46:24,367 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:46:24,537 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:46:24,936 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:25,311 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:46:25,901 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 197 [2020-09-04 15:46:27,090 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 15:46:27,459 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:46:28,257 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:46:28,584 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-04 15:46:29,123 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 15:46:29,494 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-09-04 15:46:29,831 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 197 [2020-09-04 15:46:30,001 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 15:46:30,927 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:46:31,302 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 15:46:31,470 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:46:31,852 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:46:32,226 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:46:33,510 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-09-04 15:46:33,895 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:46:35,088 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 15:46:35,457 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 15:46:35,915 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 15:46:36,276 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 15:46:36,660 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 15:46:37,866 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-09-04 15:46:38,055 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:46:38,235 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:46:38,416 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:46:38,803 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:38,985 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:46:39,179 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:46:39,571 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:39,964 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:40,896 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-09-04 15:46:41,339 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:46:43,089 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-09-04 15:46:43,522 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 15:46:43,967 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:46:44,408 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:46:44,841 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:46:46,512 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-09-04 15:46:47,070 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 217 [2020-09-04 15:46:47,503 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 15:46:47,947 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:46:49,690 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-09-04 15:46:50,117 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:46:50,658 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-09-04 15:46:51,091 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:46:52,030 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 253 [2020-09-04 15:46:52,455 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:46:52,888 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:46:53,329 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:46:54,999 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-09-04 15:46:55,428 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:55,815 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:56,192 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:46:56,366 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:46:56,757 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:57,406 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 15:46:57,790 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:46:58,177 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:46:58,368 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:46:59,037 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 201 [2020-09-04 15:46:59,225 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:46:59,853 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 15:47:00,611 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 203 [2020-09-04 15:47:00,787 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:00,963 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:01,139 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:01,315 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:01,500 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:47:01,671 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:01,847 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:02,225 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:02,602 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:47:02,778 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:02,959 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:03,347 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:03,733 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:04,110 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:04,489 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:04,679 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:47:05,063 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:47:05,249 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:47:05,634 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:47:06,003 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:47:06,189 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:47:06,371 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:06,545 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:06,934 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:47:07,108 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:07,486 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:08,085 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 15:47:08,266 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:09,612 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-09-04 15:47:09,992 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:10,380 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:11,761 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-09-04 15:47:12,149 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:12,526 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:13,027 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 199 [2020-09-04 15:47:13,497 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 196 [2020-09-04 15:47:14,195 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 15:47:14,701 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 15:47:14,873 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:16,024 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 15:47:16,197 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:16,388 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:47:16,561 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:16,938 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:17,123 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:47:17,509 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:47:18,677 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 15:47:19,264 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 15:47:19,437 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:19,820 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:47:20,203 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:47:20,583 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:47:20,966 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:47:22,328 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-09-04 15:47:22,827 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 15:47:23,004 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:47:23,606 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 200 [2020-09-04 15:47:23,777 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:23,964 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:47:24,321 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 15:47:24,708 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:25,097 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:25,280 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:25,450 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:47:25,828 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:25,999 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:26,383 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:47:26,559 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:26,735 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:26,911 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:27,088 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:27,460 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:47:27,837 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:28,214 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:47:28,390 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:28,562 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 15:47:28,739 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:29,105 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:47:29,495 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:47:29,864 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:47:30,041 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 15:47:30,212 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:47:30,567 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-09-04 15:47:30,939 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:47:31,328 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:47:31,718 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:32,106 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:32,540 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 200 [2020-09-04 15:47:32,906 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 15:47:33,286 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:47:34,782 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 15:47:35,140 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 15:47:35,627 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 15:47:35,803 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 15:47:37,193 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-09-04 15:47:37,566 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:37,937 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:38,302 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 199 [2020-09-04 15:47:38,676 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 200 [2020-09-04 15:47:38,985 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-04 15:47:39,182 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:39,358 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:39,534 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:47:39,993 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 15:47:40,380 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:40,769 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:47:41,145 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:47:42,565 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 15:48:14,186 WARN L193 SmtUtils]: Spent 31.61 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-09-04 15:48:29,590 WARN L193 SmtUtils]: Spent 15.40 s on a formula simplification. DAG size of input: 1073 DAG size of output: 729 [2020-09-04 15:48:29,890 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 15:48:30,621 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 253 [2020-09-04 15:48:30,918 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 15:48:31,488 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 15:48:31,778 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 15:48:32,812 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 227 [2020-09-04 15:48:33,335 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:48:33,907 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-09-04 15:48:34,491 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 15:48:35,074 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 15:48:35,647 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 15:48:35,935 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 15:48:37,013 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 252 DAG size of output: 229 [2020-09-04 15:48:37,387 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 218 [2020-09-04 15:48:37,959 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-09-04 15:48:38,254 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 15:48:38,838 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 15:48:39,872 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 227 [2020-09-04 15:48:40,398 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:48:40,962 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 243 [2020-09-04 15:48:41,565 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:48:41,909 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 216 [2020-09-04 15:48:42,482 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 15:48:43,236 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2020-09-04 15:48:43,798 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 243 [2020-09-04 15:48:44,368 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 15:48:44,952 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 15:48:46,029 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 252 DAG size of output: 229 [2020-09-04 15:48:46,221 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:48:46,624 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:48:46,810 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:48:47,226 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:48:47,418 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:48:47,820 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:48:48,013 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:48:48,195 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:48:48,386 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:48:48,798 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:48:48,983 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:48:49,170 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:48:49,580 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:48:49,761 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:48:49,949 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:48:50,356 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:48:50,985 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 15:48:51,181 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:48:51,365 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:48:52,012 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 15:48:52,211 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:48:52,397 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:48:53,443 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 15:48:53,671 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 15:48:55,466 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2020-09-04 15:48:55,907 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:48:56,358 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:48:58,163 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 253 DAG size of output: 251 [2020-09-04 15:48:58,614 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:48:59,051 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:49:00,085 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 15:49:00,788 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-09-04 15:49:01,850 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 15:49:02,851 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 15:49:03,261 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:49:04,903 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-09-04 15:49:05,313 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:49:05,548 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-09-04 15:49:05,763 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 15:49:06,202 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:49:06,634 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:49:07,080 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 15:49:08,718 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-09-04 15:49:09,720 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 248 DAG size of output: 238 [2020-09-04 15:49:09,935 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 15:49:10,381 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:49:10,828 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:49:11,270 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 15:49:11,715 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:49:13,567 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-09-04 15:49:14,393 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 15:49:14,811 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 15:49:15,835 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 15:49:16,049 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 15:49:16,277 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-09-04 15:49:16,948 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:49:17,365 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:49:17,817 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:49:18,244 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:49:18,649 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:49:19,089 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:49:19,499 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:49:19,945 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:49:20,363 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:49:20,582 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 15:49:20,999 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:49:21,219 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 15:49:21,653 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 15:49:22,090 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:49:22,529 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 15:49:22,747 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 15:49:22,961 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-09-04 15:49:23,184 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 15:49:23,952 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:49:24,405 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:49:24,836 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 15:49:25,055 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-09-04 15:49:25,466 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 15:49:26,134 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 15:49:26,569 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 15:49:27,020 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 15:49:27,473 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:49:27,890 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:49:28,612 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 15:49:29,290 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2020-09-04 15:49:29,732 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 15:49:31,356 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-09-04 15:49:31,885 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-09-04 15:49:32,768 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 15:49:32,986 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-09-04 15:49:34,764 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2020-09-04 15:49:35,194 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:49:35,627 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:49:36,390 WARN L193 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:49:37,168 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 15:49:37,684 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-09-04 15:49:38,115 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:49:38,334 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 15:49:38,552 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 15:49:39,406 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 15:49:39,823 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:49:40,274 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 15:49:40,713 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 15:49:42,352 WARN L193 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-09-04 15:49:43,722 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 238 DAG size of output: 203 [2020-09-04 15:49:44,433 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 15:49:45,147 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 15:49:45,851 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 15:49:46,657 WARN L193 SmtUtils]: Spent 803.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 247 [2020-09-04 15:49:47,381 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:49:48,178 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2020-09-04 15:49:48,890 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 15:49:50,270 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2020-09-04 15:49:50,992 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:49:51,717 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:49:52,430 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:49:53,795 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 238 DAG size of output: 203 [2020-09-04 15:49:54,510 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 15:49:54,839 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 200 [2020-09-04 15:49:55,553 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 15:49:56,933 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2020-09-04 15:49:57,663 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 15:49:58,365 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 15:49:58,682 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 198 [2020-09-04 15:49:59,287 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:49:59,721 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:50:00,143 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:50:00,347 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 15:50:00,785 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:50:01,584 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-09-04 15:50:02,014 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:50:02,448 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:50:02,673 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-09-04 15:50:03,481 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-09-04 15:50:03,702 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 15:50:04,520 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-09-04 15:50:05,326 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-09-04 15:50:05,534 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:05,742 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:05,951 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:06,159 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:06,380 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-09-04 15:50:06,582 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 15:50:06,789 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:07,211 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:50:07,631 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 15:50:07,839 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:08,051 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:08,484 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:50:08,917 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:50:09,338 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:50:09,762 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 15:50:09,985 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-09-04 15:50:10,413 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:50:10,631 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 15:50:11,062 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:50:11,477 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 15:50:11,697 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-09-04 15:50:11,910 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:12,114 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 15:50:12,544 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 15:50:12,749 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 15:50:13,126 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:50:38,139 WARN L193 SmtUtils]: Spent 25.01 s on a formula simplification. DAG size of input: 1299 DAG size of output: 895 [2020-09-04 15:50:38,652 WARN L193 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 15:50:39,067 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 15:50:39,519 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 15:50:39,933 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 15:50:40,341 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:50:40,754 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 15:50:41,191 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 15:50:41,626 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-09-04 15:50:42,078 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:50:42,281 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:42,698 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:50:42,900 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:43,098 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 15:50:43,299 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:50:43,491 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:50:43,915 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:50:44,106 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:50:44,303 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:50:44,501 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:50:44,927 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:50:45,345 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:50:45,546 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:50:45,743 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 15:50:46,162 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:50:46,353 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:50:46,730 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:50:47,119 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:50:47,506 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:50:47,893 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:50:48,282 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:50:48,929 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 15:50:49,314 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:50:49,504 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:50:50,172 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 201 [2020-09-04 15:50:50,359 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:50:50,989 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 15:50:51,165 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:50:51,922 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 203 [2020-09-04 15:50:52,098 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:50:52,283 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:50:52,460 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:50:52,632 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:50:52,807 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:50:53,184 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:50:53,560 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:50:53,736 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:50:53,912 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:50:54,092 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:50:54,485 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:50:54,861 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:50:55,247 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:50:55,624 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:50:55,814 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:50:56,198 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:50:56,384 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:50:56,768 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:50:57,136 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:50:57,313 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:50:57,498 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:50:57,682 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:50:57,853 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:50:58,239 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:50:58,630 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-09-04 15:50:59,382 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 15:51:00,135 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 15:51:00,980 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 15:51:01,750 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 15:51:02,502 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 15:51:02,892 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-09-04 15:51:03,271 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 33 [2020-09-04 15:51:04,038 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 15:51:04,810 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 15:51:05,183 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-09-04 15:51:05,563 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-09-04 15:51:06,395 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 236 [2020-09-04 15:51:07,147 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 15:51:07,519 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 31 [2020-09-04 15:51:07,895 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-09-04 15:51:08,282 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-09-04 15:51:08,663 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-09-04 15:51:09,430 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 15:51:10,175 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 15:51:10,943 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 15:51:11,326 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-09-04 15:51:14,169 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 197 [2020-09-04 15:51:15,358 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 15:51:15,727 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:16,525 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 15:51:16,851 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-04 15:51:17,389 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 15:51:17,760 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-09-04 15:51:18,097 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 197 [2020-09-04 15:51:18,267 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 15:51:19,192 WARN L193 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 15:51:19,566 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 15:51:19,732 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:51:20,109 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:20,481 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:21,764 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-09-04 15:51:22,148 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:51:23,339 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 15:51:23,765 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 15:51:24,222 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 15:51:24,580 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 15:51:24,967 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 15:51:26,173 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-09-04 15:51:29,703 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:51:30,084 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:30,460 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:30,829 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:51:31,213 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:51:31,589 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:51:31,973 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:51:32,343 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:51:32,713 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:51:33,109 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:51:33,508 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:51:33,898 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:51:34,278 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:51:34,656 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:52:11,628 WARN L193 SmtUtils]: Spent 36.96 s on a formula simplification. DAG size of input: 1558 DAG size of output: 1046 [2020-09-04 15:52:11,806 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:52:12,194 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:52:12,370 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:52:12,771 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:52:12,953 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:52:13,340 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:52:13,523 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:52:13,695 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:52:13,876 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:52:14,272 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:52:14,449 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:52:14,626 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:52:15,020 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:52:15,201 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:52:15,388 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:52:15,791 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:52:20,201 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:52:20,902 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-09-04 15:52:21,338 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:52:22,282 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 218 [2020-09-04 15:52:22,716 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 15:52:23,158 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:52:23,599 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:52:24,031 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:52:24,985 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-09-04 15:52:25,221 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-09-04 15:52:25,654 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 15:52:26,098 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:52:27,036 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 218 [2020-09-04 15:52:27,463 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:52:27,691 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 213 [2020-09-04 15:52:28,125 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:52:28,839 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-09-04 15:52:29,264 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 15:52:29,698 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:52:30,138 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 15:52:31,087 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-09-04 15:52:31,288 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:52:31,705 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:52:31,902 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 15:52:32,331 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:52:32,534 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:52:32,950 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:52:33,154 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:52:33,346 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:52:33,548 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 15:52:33,974 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:52:34,170 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 15:52:34,367 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:52:34,791 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 15:52:34,983 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:52:35,181 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:52:35,600 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 15:52:35,996 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:52:36,177 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:52:36,358 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:52:36,753 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:52:36,942 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 15:52:37,338 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:52:37,515 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:52:37,691 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:53:09,091 WARN L193 SmtUtils]: Spent 31.35 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-09-04 15:53:11,956 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:12,327 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:53:13,518 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:53:13,936 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:53:14,353 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:53:14,757 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:15,181 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:53:15,585 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 15:53:16,006 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:53:16,409 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:16,818 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:17,242 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 15:53:17,648 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:18,059 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 15:53:18,461 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:18,878 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:53:19,296 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 15:53:19,702 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 15:53:20,237 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 15:53:20,370 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 15:53:20,506 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 15:53:21,053 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 15:53:21,619 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 243 [2020-09-04 15:53:22,181 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2020-09-04 15:53:22,748 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2020-09-04 15:53:22,885 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 15:53:23,461 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 15:53:24,481 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 248 DAG size of output: 222 [2020-09-04 15:53:25,056 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 15:53:26,085 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 224 [2020-09-04 15:53:26,441 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 216 [2020-09-04 15:53:26,973 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 15:53:27,537 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 243 [2020-09-04 15:53:27,676 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 15:53:28,248 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 15:53:28,790 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 15:53:29,345 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 241 [2020-09-04 15:53:30,363 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 248 DAG size of output: 222 [2020-09-04 15:53:30,907 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 15:53:31,254 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2020-09-04 15:53:31,820 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2020-09-04 15:53:32,568 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 253 [2020-09-04 15:53:33,122 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 241 [2020-09-04 15:53:33,698 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 15:53:33,832 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 35 [2020-09-04 15:53:34,394 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2020-09-04 15:53:35,417 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 224 [2020-09-04 15:53:35,960 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 15:53:36,094 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 35 [2020-09-04 15:53:36,633 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 15:53:36,770 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 15:53:36,907 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 15:53:37,626 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-09-04 15:53:38,166 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 15:53:38,558 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:39,188 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 15:53:39,580 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:39,970 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:40,354 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:40,539 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:53:40,937 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:41,594 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 15:53:41,993 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:42,377 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:43,019 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 15:53:43,410 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:44,061 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 15:53:44,459 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:45,087 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 15:53:45,488 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:45,881 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:46,274 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:46,467 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:53:47,114 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 15:53:47,485 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:53:47,918 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:48,327 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:48,725 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:48,913 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:53:49,326 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:50,115 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 205 [2020-09-04 15:53:50,522 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:50,931 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:51,138 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 15:53:51,859 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 205 [2020-09-04 15:53:52,062 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:53:52,771 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 207 [2020-09-04 15:53:53,530 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2020-09-04 15:53:53,722 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:53:53,913 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:53:54,109 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:53:54,301 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:53:54,501 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 15:53:54,687 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:53:54,878 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:53:55,277 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:55,675 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 15:53:55,867 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:53:56,064 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:53:56,474 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:56,884 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 15:53:57,283 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:57,684 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 15:53:57,890 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 15:53:58,296 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:58,498 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:53:58,905 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:53:59,296 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 15:53:59,499 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 15:53:59,696 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:53:59,886 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:54:00,292 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 15:54:00,480 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:54:00,864 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:01,240 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:01,425 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:54:01,802 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:01,968 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:54:02,153 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:54:02,318 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:54:03,731 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 15:54:05,146 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 15:54:05,743 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 15:54:06,693 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 15:54:07,291 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 15:54:08,242 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 15:54:08,840 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 15:54:09,014 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:54:09,966 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 15:54:10,562 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 15:54:11,513 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 15:54:11,683 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:54:12,057 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:54:12,229 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:54:12,400 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:54:12,572 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:54:12,744 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:54:14,158 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 15:54:14,339 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:54:14,505 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:54:15,918 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 15:54:16,099 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:54:16,265 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:54:17,766 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 15:54:19,183 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 15:54:20,598 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 15:54:21,152 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 15:54:21,701 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 15:54:22,076 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:22,445 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:23,947 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 15:54:24,311 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 15:54:24,481 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:54:25,977 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 15:54:26,147 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:54:26,510 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 15:54:28,010 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 15:54:28,374 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 15:54:29,870 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 15:54:30,234 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 15:54:30,612 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:30,776 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:54:31,152 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:31,317 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:54:31,673 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-09-04 15:54:32,029 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-09-04 15:54:32,198 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 15:54:33,696 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 15:54:35,192 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 15:54:35,362 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 15:54:35,742 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:36,118 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:36,574 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 15:54:37,031 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 15:54:37,488 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 15:54:37,947 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 15:54:39,015 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 15:54:40,069 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 15:54:41,123 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 15:54:42,176 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 15:54:42,541 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 15:54:42,914 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:54:43,271 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 15:54:43,643 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:54:44,194 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 15:54:44,741 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 15:54:45,112 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:45,481 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:54:46,106 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-09-04 15:54:46,531 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:54:47,071 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 209 [2020-09-04 15:54:47,610 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-09-04 15:54:48,964 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-09-04 15:54:49,398 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 15:54:50,888 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-09-04 15:54:51,438 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2020-09-04 15:54:52,047 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-09-04 15:54:52,464 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:54:53,883 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 257 DAG size of output: 246 [2020-09-04 15:54:54,502 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 213 [2020-09-04 15:54:55,863 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-09-04 15:54:56,412 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-09-04 15:54:56,931 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 212 [2020-09-04 15:54:57,134 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 209 [2020-09-04 15:54:57,742 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 212 [2020-09-04 15:54:58,297 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-09-04 15:54:59,466 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 255 DAG size of output: 245 [2020-09-04 15:54:59,883 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 15:55:01,372 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 15:55:01,580 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-09-04 15:55:02,905 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 235 DAG size of output: 203 [2020-09-04 15:55:03,443 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 15:55:03,981 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 15:55:04,507 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 15:55:05,181 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-09-04 15:55:05,731 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 15:55:06,390 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 15:55:06,924 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 15:55:08,369 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2020-09-04 15:55:08,917 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 15:55:09,466 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 15:55:10,003 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:55:11,320 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 235 DAG size of output: 203 [2020-09-04 15:55:11,857 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 15:55:12,167 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 200 [2020-09-04 15:55:12,705 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 15:55:14,148 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2020-09-04 15:55:14,695 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 15:55:15,219 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 15:55:15,516 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 198 [2020-09-04 15:55:38,803 WARN L193 SmtUtils]: Spent 23.28 s on a formula simplification. DAG size of input: 1232 DAG size of output: 868 [2020-09-04 15:55:39,183 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:39,376 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:55:39,760 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:55:39,945 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:55:40,594 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 15:55:40,978 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:55:41,156 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:55:41,545 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:55:41,721 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:55:42,098 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:55:42,474 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:42,660 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 15:55:42,831 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:55:43,457 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 15:55:43,638 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:55:43,814 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:55:44,200 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:55:44,570 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:55:44,960 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:55:45,337 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:45,714 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:55:46,100 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:55:46,290 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 15:55:46,675 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 15:55:47,124 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 199 [2020-09-04 15:55:47,495 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 15:55:47,944 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 199 [2020-09-04 15:55:48,363 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 198 [2020-09-04 15:55:48,778 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 198 [2020-09-04 15:55:48,965 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 27 [2020-09-04 15:55:49,151 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 27 [2020-09-04 15:55:49,583 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 15:55:50,006 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 15:55:50,431 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 15:55:50,854 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 15:55:51,226 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 15:55:51,598 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 15:55:52,002 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 35 [2020-09-04 15:55:52,407 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 35 [2020-09-04 15:55:52,865 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 201 [2020-09-04 15:55:53,051 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 15:55:53,509 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 201 [2020-09-04 15:55:53,694 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 15:55:53,879 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 15:55:54,064 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 15:55:54,489 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 15:55:54,914 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 15:55:55,288 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 15:55:55,666 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 15:55:56,132 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 201 [2020-09-04 15:55:56,591 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 201 [2020-09-04 15:55:56,975 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 32 [2020-09-04 15:55:57,349 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 32 [2020-09-04 15:55:57,721 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 15:55:57,904 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 27 [2020-09-04 15:55:58,276 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 15:55:58,458 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 27 [2020-09-04 15:55:58,641 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 27 [2020-09-04 15:55:58,825 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 27 [2020-09-04 15:55:59,197 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 32 [2020-09-04 15:55:59,572 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 32 [2020-09-04 15:55:59,990 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 198 [2020-09-04 15:56:00,406 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 198 [2020-09-04 15:56:00,597 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 15:56:01,045 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 199 [2020-09-04 15:56:01,230 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 15:56:01,416 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 15:56:01,864 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 199 [2020-09-04 15:56:02,049 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 15:56:02,271 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 30 [2020-09-04 15:56:02,493 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 30 [2020-09-04 15:56:02,684 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 28 [2020-09-04 15:56:02,875 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 28 [2020-09-04 15:56:03,060 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 15:56:03,245 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 29 [2020-09-04 15:56:03,695 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 199