/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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-86f66a4 [2020-07-07 12:58:03,213 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-07 12:58:03,215 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-07 12:58:03,226 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-07 12:58:03,227 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-07 12:58:03,228 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-07 12:58:03,229 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-07 12:58:03,231 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-07 12:58:03,232 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-07 12:58:03,233 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-07 12:58:03,234 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-07 12:58:03,235 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-07 12:58:03,235 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-07 12:58:03,236 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-07 12:58:03,237 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-07 12:58:03,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-07 12:58:03,239 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-07 12:58:03,240 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-07 12:58:03,242 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-07 12:58:03,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-07 12:58:03,249 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-07 12:58:03,252 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-07 12:58:03,255 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-07 12:58:03,256 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-07 12:58:03,261 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-07 12:58:03,261 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-07 12:58:03,262 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-07 12:58:03,264 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-07 12:58:03,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-07 12:58:03,267 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-07 12:58:03,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-07 12:58:03,268 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-07 12:58:03,269 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-07 12:58:03,270 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-07 12:58:03,272 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-07 12:58:03,272 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-07 12:58:03,272 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-07 12:58:03,273 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-07 12:58:03,273 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-07 12:58:03,276 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-07 12:58:03,277 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-07 12:58:03,278 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-07 12:58:03,293 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-07 12:58:03,293 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-07 12:58:03,295 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-07 12:58:03,295 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-07 12:58:03,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-07 12:58:03,295 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-07 12:58:03,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-07 12:58:03,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-07 12:58:03,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-07 12:58:03,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-07 12:58:03,296 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-07 12:58:03,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-07 12:58:03,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-07 12:58:03,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-07 12:58:03,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-07 12:58:03,297 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-07 12:58:03,297 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-07 12:58:03,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-07 12:58:03,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:58:03,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-07 12:58:03,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-07 12:58:03,298 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-07 12:58:03,299 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-07 12:58:03,576 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-07 12:58:03,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-07 12:58:03,598 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-07 12:58:03,599 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-07 12:58:03,600 INFO L275 PluginConnector]: CDTParser initialized [2020-07-07 12:58:03,600 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-07 12:58:03,673 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd7841a8f/692d651157f34cb99f48020be4adc8f3/FLAG1bba6e352 [2020-07-07 12:58:04,231 INFO L306 CDTParser]: Found 1 translation units. [2020-07-07 12:58:04,232 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2020-07-07 12:58:04,248 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd7841a8f/692d651157f34cb99f48020be4adc8f3/FLAG1bba6e352 [2020-07-07 12:58:04,495 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dd7841a8f/692d651157f34cb99f48020be4adc8f3 [2020-07-07 12:58:04,504 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-07 12:58:04,506 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-07 12:58:04,507 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-07 12:58:04,507 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-07 12:58:04,511 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-07 12:58:04,511 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:58:04" (1/1) ... [2020-07-07 12:58:04,514 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@cdf9e7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:04, skipping insertion in model container [2020-07-07 12:58:04,515 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.07 12:58:04" (1/1) ... [2020-07-07 12:58:04,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-07 12:58:04,566 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-07 12:58:04,866 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:58:04,980 INFO L203 MainTranslator]: Completed pre-run [2020-07-07 12:58:05,093 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-07 12:58:05,128 INFO L208 MainTranslator]: Completed translation [2020-07-07 12:58:05,129 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05 WrapperNode [2020-07-07 12:58:05,129 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-07 12:58:05,129 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-07 12:58:05,129 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-07 12:58:05,130 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-07 12:58:05,142 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05" (1/1) ... [2020-07-07 12:58:05,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05" (1/1) ... [2020-07-07 12:58:05,160 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05" (1/1) ... [2020-07-07 12:58:05,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05" (1/1) ... [2020-07-07 12:58:05,190 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05" (1/1) ... [2020-07-07 12:58:05,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05" (1/1) ... [2020-07-07 12:58:05,206 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05" (1/1) ... [2020-07-07 12:58:05,214 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-07 12:58:05,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-07 12:58:05,215 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-07 12:58:05,215 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-07 12:58:05,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-07 12:58:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-07 12:58:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-07 12:58:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-07 12:58:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:58:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:58:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:58:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-07 12:58:05,276 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-07 12:58:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-07 12:58:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:58:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:58:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-07 12:58:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 12:58:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-07 12:58:05,277 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-07 12:58:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-07 12:58:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-07 12:58:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-07 12:58:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-07 12:58:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-07 12:58:05,278 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-07 12:58:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-07 12:58:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-07 12:58:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-07 12:58:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-07 12:58:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-07 12:58:05,279 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-07 12:58:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-07 12:58:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-07 12:58:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-07 12:58:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-07 12:58:05,280 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-07 12:58:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-07 12:58:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-07 12:58:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-07 12:58:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-07 12:58:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-07 12:58:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-07 12:58:05,281 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-07 12:58:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-07 12:58:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-07 12:58:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-07 12:58:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-07 12:58:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-07 12:58:05,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-07 12:58:05,283 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-07 12:58:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-07 12:58:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-07 12:58:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-07 12:58:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-07 12:58:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-07 12:58:05,283 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-07 12:58:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-07 12:58:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-07 12:58:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-07 12:58:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-07 12:58:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-07 12:58:05,284 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-07 12:58:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-07 12:58:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-07 12:58:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-07 12:58:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-07 12:58:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-07 12:58:05,285 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-07 12:58:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-07 12:58:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-07 12:58:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-07 12:58:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-07 12:58:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-07 12:58:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-07 12:58:05,286 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-07 12:58:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-07 12:58:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-07 12:58:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-07 12:58:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-07 12:58:05,287 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-07 12:58:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-07 12:58:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-07-07 12:58:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-07 12:58:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-07 12:58:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-07 12:58:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-07 12:58:05,288 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-07 12:58:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-07 12:58:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-07 12:58:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-07 12:58:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-07 12:58:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-07 12:58:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-07 12:58:05,289 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-07 12:58:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-07 12:58:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-07 12:58:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-07 12:58:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-07 12:58:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-07 12:58:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-07 12:58:05,290 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-07 12:58:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-07 12:58:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-07 12:58:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-07 12:58:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-07 12:58:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-07 12:58:05,291 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-07 12:58:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-07 12:58:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-07 12:58:05,292 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-07 12:58:06,386 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-07 12:58:06,387 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-07 12:58:06,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:58:06 BoogieIcfgContainer [2020-07-07 12:58:06,394 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-07 12:58:06,395 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-07 12:58:06,395 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-07 12:58:06,398 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-07 12:58:06,398 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.07 12:58:04" (1/3) ... [2020-07-07 12:58:06,399 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc6d7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:58:06, skipping insertion in model container [2020-07-07 12:58:06,399 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.07 12:58:05" (2/3) ... [2020-07-07 12:58:06,400 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc6d7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.07 12:58:06, skipping insertion in model container [2020-07-07 12:58:06,400 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.07 12:58:06" (3/3) ... [2020-07-07 12:58:06,401 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2020-07-07 12:58:06,412 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-07 12:58:06,420 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-07 12:58:06,434 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-07 12:58:06,455 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-07 12:58:06,455 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-07 12:58:06,455 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-07 12:58:06,455 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-07 12:58:06,456 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-07 12:58:06,456 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-07 12:58:06,456 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-07 12:58:06,456 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-07 12:58:06,476 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states. [2020-07-07 12:58:06,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-07-07 12:58:06,498 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:06,499 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] [2020-07-07 12:58:06,500 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:06,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:06,506 INFO L82 PathProgramCache]: Analyzing trace with hash -2061936998, now seen corresponding path program 1 times [2020-07-07 12:58:06,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:06,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1827014629] [2020-07-07 12:58:06,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:06,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,359 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:07,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:07,508 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:58:07,508 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:07,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1827014629] [2020-07-07 12:58:07,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:07,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-07 12:58:07,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1834899532] [2020-07-07 12:58:07,519 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-07 12:58:07,519 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:07,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-07 12:58:07,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-07 12:58:07,535 INFO L87 Difference]: Start difference. First operand 369 states. Second operand 4 states. [2020-07-07 12:58:09,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:09,134 INFO L93 Difference]: Finished difference Result 604 states and 711 transitions. [2020-07-07 12:58:09,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-07 12:58:09,138 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-07-07 12:58:09,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:09,156 INFO L225 Difference]: With dead ends: 604 [2020-07-07 12:58:09,156 INFO L226 Difference]: Without dead ends: 371 [2020-07-07 12:58:09,163 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 [2020-07-07 12:58:09,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-07-07 12:58:09,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 318. [2020-07-07 12:58:09,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 318 states. [2020-07-07 12:58:09,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 318 states to 318 states and 350 transitions. [2020-07-07 12:58:09,416 INFO L78 Accepts]: Start accepts. Automaton has 318 states and 350 transitions. Word has length 160 [2020-07-07 12:58:09,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:09,418 INFO L479 AbstractCegarLoop]: Abstraction has 318 states and 350 transitions. [2020-07-07 12:58:09,419 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-07 12:58:09,419 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 350 transitions. [2020-07-07 12:58:09,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-07-07 12:58:09,429 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:09,430 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] [2020-07-07 12:58:09,430 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-07 12:58:09,431 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:09,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:09,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1396350800, now seen corresponding path program 1 times [2020-07-07 12:58:09,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:09,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [715194102] [2020-07-07 12:58:09,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,806 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:09,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:09,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:58:09,896 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:09,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [715194102] [2020-07-07 12:58:09,897 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:09,897 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-07 12:58:09,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337740274] [2020-07-07 12:58:09,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-07 12:58:09,899 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:09,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-07 12:58:09,899 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-07 12:58:09,899 INFO L87 Difference]: Start difference. First operand 318 states and 350 transitions. Second operand 5 states. [2020-07-07 12:58:10,567 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:11,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:11,913 INFO L93 Difference]: Finished difference Result 523 states and 595 transitions. [2020-07-07 12:58:11,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-07 12:58:11,914 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-07-07 12:58:11,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:11,919 INFO L225 Difference]: With dead ends: 523 [2020-07-07 12:58:11,919 INFO L226 Difference]: Without dead ends: 360 [2020-07-07 12:58:11,922 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-07 12:58:11,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2020-07-07 12:58:12,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 308. [2020-07-07 12:58:12,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-07-07 12:58:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 337 transitions. [2020-07-07 12:58:12,029 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 337 transitions. Word has length 161 [2020-07-07 12:58:12,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:12,030 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 337 transitions. [2020-07-07 12:58:12,030 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-07 12:58:12,030 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 337 transitions. [2020-07-07 12:58:12,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-07-07 12:58:12,033 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:12,033 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] [2020-07-07 12:58:12,033 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-07 12:58:12,034 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:12,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:12,034 INFO L82 PathProgramCache]: Analyzing trace with hash -877752548, now seen corresponding path program 1 times [2020-07-07 12:58:12,034 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:12,035 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [624275006] [2020-07-07 12:58:12,035 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:12,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,358 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:12,511 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:58:12,512 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:12,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [624275006] [2020-07-07 12:58:12,513 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:12,513 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:58:12,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1552069525] [2020-07-07 12:58:12,514 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:58:12,514 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:12,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:58:12,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:58:12,515 INFO L87 Difference]: Start difference. First operand 308 states and 337 transitions. Second operand 11 states. [2020-07-07 12:58:13,160 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:13,646 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:13,975 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:58:14,196 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:14,408 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:58:14,653 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:15,755 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:18,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:18,557 INFO L93 Difference]: Finished difference Result 869 states and 1014 transitions. [2020-07-07 12:58:18,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:58:18,559 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-07-07 12:58:18,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:18,565 INFO L225 Difference]: With dead ends: 869 [2020-07-07 12:58:18,565 INFO L226 Difference]: Without dead ends: 676 [2020-07-07 12:58:18,567 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-07-07 12:58:18,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2020-07-07 12:58:18,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 569. [2020-07-07 12:58:18,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 569 states. [2020-07-07 12:58:18,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 569 states to 569 states and 643 transitions. [2020-07-07 12:58:18,749 INFO L78 Accepts]: Start accepts. Automaton has 569 states and 643 transitions. Word has length 174 [2020-07-07 12:58:18,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:18,749 INFO L479 AbstractCegarLoop]: Abstraction has 569 states and 643 transitions. [2020-07-07 12:58:18,750 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:58:18,750 INFO L276 IsEmpty]: Start isEmpty. Operand 569 states and 643 transitions. [2020-07-07 12:58:18,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2020-07-07 12:58:18,753 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:18,753 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] [2020-07-07 12:58:18,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-07 12:58:18,754 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:18,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:18,754 INFO L82 PathProgramCache]: Analyzing trace with hash -827236399, now seen corresponding path program 1 times [2020-07-07 12:58:18,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:18,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [847531494] [2020-07-07 12:58:18,755 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,081 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:19,350 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-07 12:58:19,350 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:19,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [847531494] [2020-07-07 12:58:19,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:19,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-07 12:58:19,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047163010] [2020-07-07 12:58:19,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-07 12:58:19,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:19,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-07 12:58:19,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-07-07 12:58:19,353 INFO L87 Difference]: Start difference. First operand 569 states and 643 transitions. Second operand 10 states. [2020-07-07 12:58:19,894 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:20,861 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:21,123 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:58:22,333 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:22,590 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:58:22,833 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:23,219 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:23,450 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:23,721 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:24,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:24,860 INFO L93 Difference]: Finished difference Result 1334 states and 1595 transitions. [2020-07-07 12:58:24,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-07-07 12:58:24,861 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 179 [2020-07-07 12:58:24,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:24,867 INFO L225 Difference]: With dead ends: 1334 [2020-07-07 12:58:24,868 INFO L226 Difference]: Without dead ends: 880 [2020-07-07 12:58:24,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-07-07 12:58:24,872 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 880 states. [2020-07-07 12:58:25,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 880 to 787. [2020-07-07 12:58:25,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 787 states. [2020-07-07 12:58:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 787 states and 885 transitions. [2020-07-07 12:58:25,149 INFO L78 Accepts]: Start accepts. Automaton has 787 states and 885 transitions. Word has length 179 [2020-07-07 12:58:25,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:25,150 INFO L479 AbstractCegarLoop]: Abstraction has 787 states and 885 transitions. [2020-07-07 12:58:25,150 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-07 12:58:25,150 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 885 transitions. [2020-07-07 12:58:25,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-07 12:58:25,154 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:25,155 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:58:25,155 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-07 12:58:25,155 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:25,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:25,155 INFO L82 PathProgramCache]: Analyzing trace with hash -670557693, now seen corresponding path program 1 times [2020-07-07 12:58:25,156 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:25,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2060626228] [2020-07-07 12:58:25,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:25,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,450 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:25,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:25,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:58:25,721 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:25,721 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2060626228] [2020-07-07 12:58:25,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:25,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-07 12:58:25,722 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1379455200] [2020-07-07 12:58:25,723 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-07 12:58:25,723 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:25,723 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-07 12:58:25,723 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-07-07 12:58:25,724 INFO L87 Difference]: Start difference. First operand 787 states and 885 transitions. Second operand 11 states. [2020-07-07 12:58:27,359 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:27,608 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:58:27,880 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:58:28,138 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:28,412 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:28,644 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:30,266 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:30,266 INFO L93 Difference]: Finished difference Result 1671 states and 2016 transitions. [2020-07-07 12:58:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-07 12:58:30,267 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-07-07 12:58:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:30,281 INFO L225 Difference]: With dead ends: 1671 [2020-07-07 12:58:30,282 INFO L226 Difference]: Without dead ends: 999 [2020-07-07 12:58:30,285 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-07-07 12:58:30,287 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2020-07-07 12:58:30,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 806. [2020-07-07 12:58:30,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2020-07-07 12:58:30,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 905 transitions. [2020-07-07 12:58:30,616 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 905 transitions. Word has length 239 [2020-07-07 12:58:30,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:30,617 INFO L479 AbstractCegarLoop]: Abstraction has 806 states and 905 transitions. [2020-07-07 12:58:30,617 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-07 12:58:30,617 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 905 transitions. [2020-07-07 12:58:30,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-07 12:58:30,621 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:30,621 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:58:30,622 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-07 12:58:30,622 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:30,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:30,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1083605603, now seen corresponding path program 1 times [2020-07-07 12:58:30,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:30,623 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199499016] [2020-07-07 12:58:30,623 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:30,929 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:30,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:30,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:30,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:31,177 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:58:31,177 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:31,178 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199499016] [2020-07-07 12:58:31,178 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:31,178 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-07-07 12:58:31,178 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219093498] [2020-07-07 12:58:31,179 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-07-07 12:58:31,179 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:31,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-07-07 12:58:31,180 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-07-07 12:58:31,180 INFO L87 Difference]: Start difference. First operand 806 states and 905 transitions. Second operand 14 states. [2020-07-07 12:58:31,751 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:32,009 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:58:32,255 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:32,502 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:32,762 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:33,892 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:34,148 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:34,433 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:34,719 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:58:34,973 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:36,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:36,840 INFO L93 Difference]: Finished difference Result 1708 states and 2054 transitions. [2020-07-07 12:58:36,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-07-07 12:58:36,841 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 239 [2020-07-07 12:58:36,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:36,848 INFO L225 Difference]: With dead ends: 1708 [2020-07-07 12:58:36,848 INFO L226 Difference]: Without dead ends: 1017 [2020-07-07 12:58:36,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-07-07 12:58:36,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1017 states. [2020-07-07 12:58:37,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1017 to 818. [2020-07-07 12:58:37,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2020-07-07 12:58:37,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 917 transitions. [2020-07-07 12:58:37,168 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 917 transitions. Word has length 239 [2020-07-07 12:58:37,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:37,169 INFO L479 AbstractCegarLoop]: Abstraction has 818 states and 917 transitions. [2020-07-07 12:58:37,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-07-07 12:58:37,169 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 917 transitions. [2020-07-07 12:58:37,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-07-07 12:58:37,175 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:37,176 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:58:37,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-07 12:58:37,176 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:37,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:37,177 INFO L82 PathProgramCache]: Analyzing trace with hash -247892448, now seen corresponding path program 1 times [2020-07-07 12:58:37,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:37,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1398653932] [2020-07-07 12:58:37,177 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,530 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:37,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:37,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:58:37,778 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:37,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1398653932] [2020-07-07 12:58:37,779 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:37,779 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-07 12:58:37,779 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104305340] [2020-07-07 12:58:37,780 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-07 12:58:37,780 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:37,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-07 12:58:37,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-07 12:58:37,781 INFO L87 Difference]: Start difference. First operand 818 states and 917 transitions. Second operand 8 states. [2020-07-07 12:58:38,264 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:38,862 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:42,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:42,503 INFO L93 Difference]: Finished difference Result 2497 states and 3038 transitions. [2020-07-07 12:58:42,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-07 12:58:42,504 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-07-07 12:58:42,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:42,514 INFO L225 Difference]: With dead ends: 2497 [2020-07-07 12:58:42,514 INFO L226 Difference]: Without dead ends: 1794 [2020-07-07 12:58:42,518 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2020-07-07 12:58:42,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1794 states. [2020-07-07 12:58:42,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1794 to 1526. [2020-07-07 12:58:42,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-07-07 12:58:42,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1740 transitions. [2020-07-07 12:58:42,953 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1740 transitions. Word has length 239 [2020-07-07 12:58:42,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:42,954 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1740 transitions. [2020-07-07 12:58:42,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-07 12:58:42,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1740 transitions. [2020-07-07 12:58:42,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-07-07 12:58:42,957 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:42,958 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:58:42,958 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-07 12:58:42,958 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:42,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:42,958 INFO L82 PathProgramCache]: Analyzing trace with hash 1352362414, now seen corresponding path program 1 times [2020-07-07 12:58:42,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:42,959 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [117902063] [2020-07-07 12:58:42,959 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:43,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,336 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:43,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:43,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:58:43,660 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:43,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [117902063] [2020-07-07 12:58:43,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:43,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-07-07 12:58:43,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765436807] [2020-07-07 12:58:43,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-07-07 12:58:43,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:43,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-07-07 12:58:43,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-07-07 12:58:43,662 INFO L87 Difference]: Start difference. First operand 1526 states and 1740 transitions. Second operand 15 states. [2020-07-07 12:58:44,375 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 12:58:45,162 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:46,357 WARN L193 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-07-07 12:58:46,884 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:58:47,210 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:47,467 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:58:47,951 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-07-07 12:58:48,209 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:48,523 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:58:48,779 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:52,256 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 12:58:52,776 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:58:53,030 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:58:53,486 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:58:54,777 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-07-07 12:58:55,309 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-07-07 12:58:55,808 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 12:58:56,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:58:56,821 INFO L93 Difference]: Finished difference Result 4717 states and 5770 transitions. [2020-07-07 12:58:56,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-07-07 12:58:56,822 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2020-07-07 12:58:56,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:58:56,843 INFO L225 Difference]: With dead ends: 4717 [2020-07-07 12:58:56,844 INFO L226 Difference]: Without dead ends: 3597 [2020-07-07 12:58:56,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2020-07-07 12:58:56,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3597 states. [2020-07-07 12:58:57,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3597 to 2881. [2020-07-07 12:58:57,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2881 states. [2020-07-07 12:58:58,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2881 states and 3261 transitions. [2020-07-07 12:58:58,007 INFO L78 Accepts]: Start accepts. Automaton has 2881 states and 3261 transitions. Word has length 244 [2020-07-07 12:58:58,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:58:58,008 INFO L479 AbstractCegarLoop]: Abstraction has 2881 states and 3261 transitions. [2020-07-07 12:58:58,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-07-07 12:58:58,008 INFO L276 IsEmpty]: Start isEmpty. Operand 2881 states and 3261 transitions. [2020-07-07 12:58:58,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-07-07 12:58:58,013 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:58:58,014 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:58:58,014 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-07 12:58:58,014 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:58:58,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:58:58,015 INFO L82 PathProgramCache]: Analyzing trace with hash 1556177142, now seen corresponding path program 1 times [2020-07-07 12:58:58,015 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:58:58,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086853455] [2020-07-07 12:58:58,015 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:58:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,338 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:58:58,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:58:58,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:58:58,887 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:58:58,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086853455] [2020-07-07 12:58:58,888 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:58:58,888 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:58:58,888 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [743900917] [2020-07-07 12:58:58,889 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:58:58,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:58:58,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:58:58,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:58:58,893 INFO L87 Difference]: Start difference. First operand 2881 states and 3261 transitions. Second operand 19 states. [2020-07-07 12:58:59,713 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:59:00,086 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:59:00,362 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-07-07 12:59:00,636 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:59:00,915 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:59:01,187 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:59:02,197 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-07-07 12:59:02,607 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 12:59:02,948 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:59:03,226 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:03,622 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:59:04,066 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-07-07 12:59:04,384 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 12:59:06,732 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:08,085 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 12:59:08,681 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 12:59:09,247 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-07-07 12:59:09,650 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:10,397 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:59:10,989 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 12:59:11,329 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 12:59:12,434 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-07-07 12:59:13,070 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:13,579 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-07-07 12:59:14,128 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-07-07 12:59:15,329 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-07-07 12:59:17,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:59:17,449 INFO L93 Difference]: Finished difference Result 6442 states and 7572 transitions. [2020-07-07 12:59:17,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-07-07 12:59:17,450 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 358 [2020-07-07 12:59:17,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:59:17,470 INFO L225 Difference]: With dead ends: 6442 [2020-07-07 12:59:17,471 INFO L226 Difference]: Without dead ends: 3952 [2020-07-07 12:59:17,481 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2509 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1475, Invalid=6535, Unknown=0, NotChecked=0, Total=8010 [2020-07-07 12:59:17,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2020-07-07 12:59:18,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3301. [2020-07-07 12:59:18,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3301 states. [2020-07-07 12:59:18,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 3666 transitions. [2020-07-07 12:59:18,610 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 3666 transitions. Word has length 358 [2020-07-07 12:59:18,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:59:18,611 INFO L479 AbstractCegarLoop]: Abstraction has 3301 states and 3666 transitions. [2020-07-07 12:59:18,611 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:59:18,611 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 3666 transitions. [2020-07-07 12:59:18,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 611 [2020-07-07 12:59:18,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:59:18,625 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 12:59:18,625 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-07 12:59:18,626 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:59:18,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:59:18,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1189855279, now seen corresponding path program 1 times [2020-07-07 12:59:18,626 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:59:18,627 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1492796231] [2020-07-07 12:59:18,627 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:59:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:18,990 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:59:18,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:19,954 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 12:59:19,955 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:59:19,955 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1492796231] [2020-07-07 12:59:19,955 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:59:19,955 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 12:59:19,956 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339999098] [2020-07-07 12:59:19,956 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 12:59:19,957 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:59:19,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 12:59:19,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2020-07-07 12:59:19,957 INFO L87 Difference]: Start difference. First operand 3301 states and 3666 transitions. Second operand 18 states. [2020-07-07 12:59:21,692 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:59:21,955 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:22,230 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:22,507 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:22,753 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:23,004 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:24,447 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:24,764 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:29,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:59:29,086 INFO L93 Difference]: Finished difference Result 9314 states and 10883 transitions. [2020-07-07 12:59:29,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-07-07 12:59:29,087 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 610 [2020-07-07 12:59:29,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:59:29,116 INFO L225 Difference]: With dead ends: 9314 [2020-07-07 12:59:29,116 INFO L226 Difference]: Without dead ends: 5601 [2020-07-07 12:59:29,128 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 148 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 569 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=521, Invalid=1831, Unknown=0, NotChecked=0, Total=2352 [2020-07-07 12:59:29,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5601 states. [2020-07-07 12:59:30,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5601 to 4416. [2020-07-07 12:59:30,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4416 states. [2020-07-07 12:59:30,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4416 states to 4416 states and 4987 transitions. [2020-07-07 12:59:30,586 INFO L78 Accepts]: Start accepts. Automaton has 4416 states and 4987 transitions. Word has length 610 [2020-07-07 12:59:30,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:59:30,587 INFO L479 AbstractCegarLoop]: Abstraction has 4416 states and 4987 transitions. [2020-07-07 12:59:30,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 12:59:30,588 INFO L276 IsEmpty]: Start isEmpty. Operand 4416 states and 4987 transitions. [2020-07-07 12:59:30,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 566 [2020-07-07 12:59:30,604 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:59:30,605 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 12:59:30,605 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-07 12:59:30,605 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:59:30,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:59:30,606 INFO L82 PathProgramCache]: Analyzing trace with hash -1723586680, now seen corresponding path program 1 times [2020-07-07 12:59:30,606 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:59:30,606 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1061240500] [2020-07-07 12:59:30,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:59:30,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:30,976 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:59:30,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:31,738 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-07-07 12:59:31,738 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:59:31,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1061240500] [2020-07-07 12:59:31,739 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:59:31,739 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 12:59:31,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298653293] [2020-07-07 12:59:31,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 12:59:31,743 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:59:31,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 12:59:31,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-07-07 12:59:31,747 INFO L87 Difference]: Start difference. First operand 4416 states and 4987 transitions. Second operand 19 states. [2020-07-07 12:59:32,342 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:32,703 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:33,075 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:59:33,340 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:33,602 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 12:59:33,855 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:34,896 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:59:35,176 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:36,647 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:59:36,940 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:37,246 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:59:37,736 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:39,363 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:59:39,623 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:41,082 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:59:41,344 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:41,589 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 12:59:43,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 12:59:43,550 INFO L93 Difference]: Finished difference Result 8906 states and 10334 transitions. [2020-07-07 12:59:43,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2020-07-07 12:59:43,551 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 565 [2020-07-07 12:59:43,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 12:59:43,573 INFO L225 Difference]: With dead ends: 8906 [2020-07-07 12:59:43,573 INFO L226 Difference]: Without dead ends: 4917 [2020-07-07 12:59:43,585 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 869 ImplicationChecksByTransitivity, 5.5s TimeCoverageRelationStatistics Valid=674, Invalid=2748, Unknown=0, NotChecked=0, Total=3422 [2020-07-07 12:59:43,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4917 states. [2020-07-07 12:59:44,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4917 to 4317. [2020-07-07 12:59:44,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4317 states. [2020-07-07 12:59:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4317 states to 4317 states and 4846 transitions. [2020-07-07 12:59:44,820 INFO L78 Accepts]: Start accepts. Automaton has 4317 states and 4846 transitions. Word has length 565 [2020-07-07 12:59:44,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 12:59:44,821 INFO L479 AbstractCegarLoop]: Abstraction has 4317 states and 4846 transitions. [2020-07-07 12:59:44,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 12:59:44,821 INFO L276 IsEmpty]: Start isEmpty. Operand 4317 states and 4846 transitions. [2020-07-07 12:59:44,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 571 [2020-07-07 12:59:44,836 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 12:59:44,836 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-07 12:59:44,837 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-07-07 12:59:44,837 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 12:59:44,837 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 12:59:44,837 INFO L82 PathProgramCache]: Analyzing trace with hash -2109022301, now seen corresponding path program 1 times [2020-07-07 12:59:44,838 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 12:59:44,838 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1815226544] [2020-07-07 12:59:44,838 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 12:59:44,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,294 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 12:59:45,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 12:59:45,871 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 12:59:45,871 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 12:59:45,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1815226544] [2020-07-07 12:59:45,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 12:59:45,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-07-07 12:59:45,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1338591850] [2020-07-07 12:59:45,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-07-07 12:59:45,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 12:59:45,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-07-07 12:59:45,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-07-07 12:59:45,873 INFO L87 Difference]: Start difference. First operand 4317 states and 4846 transitions. Second operand 17 states. [2020-07-07 12:59:46,408 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 12:59:47,496 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 12:59:50,115 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:50,430 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:50,808 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:51,175 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:51,446 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:51,726 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:59:51,994 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:52,279 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 12:59:52,549 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:52,868 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:59:53,142 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:53,427 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 12:59:55,944 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 12:59:56,470 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-07-07 12:59:56,956 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 12:59:57,243 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 12:59:57,551 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-07-07 12:59:57,926 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-07-07 13:00:02,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:00:02,306 INFO L93 Difference]: Finished difference Result 13711 states and 16025 transitions. [2020-07-07 13:00:02,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-07-07 13:00:02,307 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 570 [2020-07-07 13:00:02,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:00:02,347 INFO L225 Difference]: With dead ends: 13711 [2020-07-07 13:00:02,348 INFO L226 Difference]: Without dead ends: 9522 [2020-07-07 13:00:02,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 143 SyntacticMatches, 1 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1221 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=835, Invalid=3455, Unknown=0, NotChecked=0, Total=4290 [2020-07-07 13:00:02,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9522 states. [2020-07-07 13:00:04,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9522 to 8395. [2020-07-07 13:00:04,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8395 states. [2020-07-07 13:00:04,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8395 states to 8395 states and 9340 transitions. [2020-07-07 13:00:05,001 INFO L78 Accepts]: Start accepts. Automaton has 8395 states and 9340 transitions. Word has length 570 [2020-07-07 13:00:05,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:00:05,002 INFO L479 AbstractCegarLoop]: Abstraction has 8395 states and 9340 transitions. [2020-07-07 13:00:05,002 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-07-07 13:00:05,002 INFO L276 IsEmpty]: Start isEmpty. Operand 8395 states and 9340 transitions. [2020-07-07 13:00:05,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 576 [2020-07-07 13:00:05,025 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:00:05,025 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-07-07 13:00:05,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-07-07 13:00:05,026 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:00:05,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:00:05,026 INFO L82 PathProgramCache]: Analyzing trace with hash 650589403, now seen corresponding path program 1 times [2020-07-07 13:00:05,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:00:05,027 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041367526] [2020-07-07 13:00:05,027 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:00:05,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,356 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 13:00:05,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:05,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:06,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:06,188 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 13:00:06,188 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:00:06,188 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041367526] [2020-07-07 13:00:06,189 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:00:06,189 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [23] imperfect sequences [] total 23 [2020-07-07 13:00:06,189 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317186474] [2020-07-07 13:00:06,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-07-07 13:00:06,190 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:00:06,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-07-07 13:00:06,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-07-07 13:00:06,191 INFO L87 Difference]: Start difference. First operand 8395 states and 9340 transitions. Second operand 23 states. [2020-07-07 13:00:06,807 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:00:07,391 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 13:00:07,664 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 13:00:07,934 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:08,201 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 13:00:08,465 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:09,450 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:00:13,063 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:13,540 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:14,122 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:14,552 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:14,966 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:15,379 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:15,778 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:16,210 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:16,621 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:17,111 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:17,523 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:17,814 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:18,557 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 13:00:19,160 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 13:00:19,675 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 13:00:27,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:00:27,992 INFO L93 Difference]: Finished difference Result 18400 states and 21530 transitions. [2020-07-07 13:00:27,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-07-07 13:00:27,993 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 575 [2020-07-07 13:00:27,993 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:00:28,041 INFO L225 Difference]: With dead ends: 18400 [2020-07-07 13:00:28,041 INFO L226 Difference]: Without dead ends: 10721 [2020-07-07 13:00:28,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 152 SyntacticMatches, 4 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2108 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=1275, Invalid=5697, Unknown=0, NotChecked=0, Total=6972 [2020-07-07 13:00:28,075 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10721 states. [2020-07-07 13:00:31,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10721 to 8025. [2020-07-07 13:00:31,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8025 states. [2020-07-07 13:00:31,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8025 states to 8025 states and 8883 transitions. [2020-07-07 13:00:31,843 INFO L78 Accepts]: Start accepts. Automaton has 8025 states and 8883 transitions. Word has length 575 [2020-07-07 13:00:31,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:00:31,844 INFO L479 AbstractCegarLoop]: Abstraction has 8025 states and 8883 transitions. [2020-07-07 13:00:31,844 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-07-07 13:00:31,844 INFO L276 IsEmpty]: Start isEmpty. Operand 8025 states and 8883 transitions. [2020-07-07 13:00:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 636 [2020-07-07 13:00:31,861 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:00:31,861 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2020-07-07 13:00:31,861 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-07-07 13:00:31,861 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:00:31,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:00:31,862 INFO L82 PathProgramCache]: Analyzing trace with hash 1144470113, now seen corresponding path program 1 times [2020-07-07 13:00:31,862 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:00:31,862 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [273044877] [2020-07-07 13:00:31,862 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:00:31,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,190 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 13:00:32,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-07-07 13:00:32,937 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:00:32,937 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [273044877] [2020-07-07 13:00:32,937 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:00:32,937 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [24] imperfect sequences [] total 24 [2020-07-07 13:00:32,938 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729037995] [2020-07-07 13:00:32,939 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-07-07 13:00:32,939 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:00:32,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-07-07 13:00:32,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-07-07 13:00:32,939 INFO L87 Difference]: Start difference. First operand 8025 states and 8883 transitions. Second operand 24 states. [2020-07-07 13:00:33,468 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:00:33,825 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 13:00:34,080 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 13:00:34,337 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:34,593 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 13:00:34,832 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:35,781 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:00:38,616 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:38,924 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:39,284 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:39,561 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:39,823 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:40,089 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:40,348 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:40,626 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:40,892 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:41,197 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:41,467 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:41,753 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:44,240 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 13:00:44,749 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 13:00:45,216 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 13:00:49,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:00:49,644 INFO L93 Difference]: Finished difference Result 17284 states and 20192 transitions. [2020-07-07 13:00:49,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-07-07 13:00:49,645 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 635 [2020-07-07 13:00:49,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:00:49,694 INFO L225 Difference]: With dead ends: 17284 [2020-07-07 13:00:49,695 INFO L226 Difference]: Without dead ends: 9975 [2020-07-07 13:00:49,713 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 167 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2154 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=1335, Invalid=5975, Unknown=0, NotChecked=0, Total=7310 [2020-07-07 13:00:49,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9975 states. [2020-07-07 13:00:52,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9975 to 7333. [2020-07-07 13:00:52,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7333 states. [2020-07-07 13:00:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7333 states to 7333 states and 8113 transitions. [2020-07-07 13:00:52,146 INFO L78 Accepts]: Start accepts. Automaton has 7333 states and 8113 transitions. Word has length 635 [2020-07-07 13:00:52,147 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:00:52,147 INFO L479 AbstractCegarLoop]: Abstraction has 7333 states and 8113 transitions. [2020-07-07 13:00:52,147 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-07-07 13:00:52,147 INFO L276 IsEmpty]: Start isEmpty. Operand 7333 states and 8113 transitions. [2020-07-07 13:00:52,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2020-07-07 13:00:52,166 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:00:52,166 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-07 13:00:52,167 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-07-07 13:00:52,167 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:00:52,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:00:52,167 INFO L82 PathProgramCache]: Analyzing trace with hash -1899800669, now seen corresponding path program 1 times [2020-07-07 13:00:52,167 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:00:52,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418566095] [2020-07-07 13:00:52,168 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:00:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,513 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 13:00:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:52,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:00:53,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:00:53,137 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:00:53,138 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1418566095] [2020-07-07 13:00:53,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:00:53,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 13:00:53,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226963449] [2020-07-07 13:00:53,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 13:00:53,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:00:53,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 13:00:53,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-07-07 13:00:53,140 INFO L87 Difference]: Start difference. First operand 7333 states and 8113 transitions. Second operand 18 states. [2020-07-07 13:00:53,663 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:00:55,385 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:00:55,655 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:00:56,148 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 13:00:56,407 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 13:00:56,888 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-07-07 13:00:57,148 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 13:00:57,610 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-07-07 13:00:57,896 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 13:00:58,167 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:00:58,438 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-07-07 13:00:58,709 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 13:00:59,155 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-07-07 13:01:00,504 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:01:00,790 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:01:01,338 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 13:01:01,884 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-07-07 13:01:02,386 WARN L193 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 13:01:03,213 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-07-07 13:01:03,721 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-07-07 13:01:07,683 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:01:08,517 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:01:08,796 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:01:09,280 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 13:01:10,290 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-07-07 13:01:10,754 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-07-07 13:01:17,871 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:01:17,872 INFO L93 Difference]: Finished difference Result 19318 states and 23232 transitions. [2020-07-07 13:01:17,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2020-07-07 13:01:17,872 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 580 [2020-07-07 13:01:17,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:01:17,922 INFO L225 Difference]: With dead ends: 19318 [2020-07-07 13:01:17,922 INFO L226 Difference]: Without dead ends: 14869 [2020-07-07 13:01:17,944 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4117 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=1987, Invalid=9785, Unknown=0, NotChecked=0, Total=11772 [2020-07-07 13:01:17,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14869 states. [2020-07-07 13:01:22,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14869 to 10429. [2020-07-07 13:01:22,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10429 states. [2020-07-07 13:01:22,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10429 states to 10429 states and 11451 transitions. [2020-07-07 13:01:22,059 INFO L78 Accepts]: Start accepts. Automaton has 10429 states and 11451 transitions. Word has length 580 [2020-07-07 13:01:22,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:01:22,060 INFO L479 AbstractCegarLoop]: Abstraction has 10429 states and 11451 transitions. [2020-07-07 13:01:22,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 13:01:22,060 INFO L276 IsEmpty]: Start isEmpty. Operand 10429 states and 11451 transitions. [2020-07-07 13:01:22,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2020-07-07 13:01:22,078 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:01:22,079 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:01:22,079 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-07-07 13:01:22,079 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:01:22,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:01:22,080 INFO L82 PathProgramCache]: Analyzing trace with hash -1198327308, now seen corresponding path program 1 times [2020-07-07 13:01:22,080 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:01:22,080 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571561544] [2020-07-07 13:01:22,080 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:01:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,443 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 13:01:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:23,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:01:23,269 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:01:23,270 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571561544] [2020-07-07 13:01:23,270 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:01:23,270 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2020-07-07 13:01:23,270 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376487241] [2020-07-07 13:01:23,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-07-07 13:01:23,271 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:01:23,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-07-07 13:01:23,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-07-07 13:01:23,272 INFO L87 Difference]: Start difference. First operand 10429 states and 11451 transitions. Second operand 20 states. [2020-07-07 13:01:24,306 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:01:25,210 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:01:26,413 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:01:26,694 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:01:27,201 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 13:01:27,477 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:01:27,950 WARN L193 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-07-07 13:01:28,212 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:01:28,668 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-07-07 13:01:28,964 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 13:01:29,251 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:01:29,517 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-07-07 13:01:29,788 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-07 13:01:31,149 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:01:31,442 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:01:40,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:01:40,750 INFO L93 Difference]: Finished difference Result 21715 states and 25494 transitions. [2020-07-07 13:01:40,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-07-07 13:01:40,750 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 710 [2020-07-07 13:01:40,751 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:01:40,798 INFO L225 Difference]: With dead ends: 21715 [2020-07-07 13:01:40,798 INFO L226 Difference]: Without dead ends: 15024 [2020-07-07 13:01:40,818 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 203 SyntacticMatches, 5 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2311 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=1373, Invalid=5599, Unknown=0, NotChecked=0, Total=6972 [2020-07-07 13:01:40,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15024 states. [2020-07-07 13:01:44,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15024 to 10665. [2020-07-07 13:01:44,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10665 states. [2020-07-07 13:01:44,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10665 states to 10665 states and 11673 transitions. [2020-07-07 13:01:44,444 INFO L78 Accepts]: Start accepts. Automaton has 10665 states and 11673 transitions. Word has length 710 [2020-07-07 13:01:44,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:01:44,444 INFO L479 AbstractCegarLoop]: Abstraction has 10665 states and 11673 transitions. [2020-07-07 13:01:44,444 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-07-07 13:01:44,445 INFO L276 IsEmpty]: Start isEmpty. Operand 10665 states and 11673 transitions. [2020-07-07 13:01:44,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-07-07 13:01:44,461 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:01:44,462 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:01:44,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-07-07 13:01:44,462 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:01:44,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:01:44,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2002811095, now seen corresponding path program 1 times [2020-07-07 13:01:44,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:01:44,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [815899911] [2020-07-07 13:01:44,463 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:01:44,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,811 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 13:01:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:44,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:01:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:01:45,706 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:01:45,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [815899911] [2020-07-07 13:01:45,706 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:01:45,706 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-07-07 13:01:45,706 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050711024] [2020-07-07 13:01:45,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-07-07 13:01:45,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:01:45,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-07-07 13:01:45,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=256, Unknown=0, NotChecked=0, Total=306 [2020-07-07 13:01:45,708 INFO L87 Difference]: Start difference. First operand 10665 states and 11673 transitions. Second operand 18 states. [2020-07-07 13:01:46,578 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:01:47,869 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-07 13:01:52,875 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 13:01:53,183 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-07-07 13:01:53,437 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:01:53,693 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-07-07 13:01:53,928 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:01:54,354 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-07-07 13:02:00,908 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-07-07 13:02:01,187 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-07-07 13:02:01,450 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 13:02:01,720 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-07-07 13:02:01,972 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 13:02:03,399 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-07-07 13:02:03,901 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-07-07 13:02:08,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:08,214 INFO L93 Difference]: Finished difference Result 31809 states and 37187 transitions. [2020-07-07 13:02:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 82 states. [2020-07-07 13:02:08,215 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 661 [2020-07-07 13:02:08,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:08,280 INFO L225 Difference]: With dead ends: 31809 [2020-07-07 13:02:08,280 INFO L226 Difference]: Without dead ends: 21453 [2020-07-07 13:02:08,304 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 188 SyntacticMatches, 10 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2866 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=1629, Invalid=7113, Unknown=0, NotChecked=0, Total=8742 [2020-07-07 13:02:08,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21453 states. [2020-07-07 13:02:13,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21453 to 14328. [2020-07-07 13:02:13,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14328 states. [2020-07-07 13:02:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14328 states to 14328 states and 15641 transitions. [2020-07-07 13:02:13,235 INFO L78 Accepts]: Start accepts. Automaton has 14328 states and 15641 transitions. Word has length 661 [2020-07-07 13:02:13,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:13,236 INFO L479 AbstractCegarLoop]: Abstraction has 14328 states and 15641 transitions. [2020-07-07 13:02:13,236 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-07-07 13:02:13,236 INFO L276 IsEmpty]: Start isEmpty. Operand 14328 states and 15641 transitions. [2020-07-07 13:02:13,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-07-07 13:02:13,376 INFO L414 BasicCegarLoop]: Found error trace [2020-07-07 13:02:13,377 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-07 13:02:13,377 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-07-07 13:02:13,377 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-07 13:02:13,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-07 13:02:13,377 INFO L82 PathProgramCache]: Analyzing trace with hash 503243465, now seen corresponding path program 1 times [2020-07-07 13:02:13,378 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-07 13:02:13,378 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [422722762] [2020-07-07 13:02:13,378 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-07 13:02:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,720 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-07 13:02:13,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-07 13:02:14,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-07 13:02:14,247 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-07 13:02:14,248 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [422722762] [2020-07-07 13:02:14,248 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-07 13:02:14,248 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [19] imperfect sequences [] total 19 [2020-07-07 13:02:14,248 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508144594] [2020-07-07 13:02:14,249 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-07-07 13:02:14,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-07 13:02:14,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-07-07 13:02:14,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=295, Unknown=0, NotChecked=0, Total=342 [2020-07-07 13:02:14,250 INFO L87 Difference]: Start difference. First operand 14328 states and 15641 transitions. Second operand 19 states. [2020-07-07 13:02:14,871 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-07 13:02:15,117 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 13:02:15,361 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 13:02:15,602 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:02:15,831 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 13:02:20,413 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 13:02:20,649 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:02:20,892 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-07 13:02:21,141 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 13:02:21,389 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-07-07 13:02:21,625 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-07 13:02:22,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-07 13:02:22,888 INFO L93 Difference]: Finished difference Result 17179 states and 19013 transitions. [2020-07-07 13:02:22,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-07-07 13:02:22,889 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 661 [2020-07-07 13:02:22,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-07 13:02:22,892 INFO L225 Difference]: With dead ends: 17179 [2020-07-07 13:02:22,892 INFO L226 Difference]: Without dead ends: 0 [2020-07-07 13:02:22,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 430 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=574, Invalid=1778, Unknown=0, NotChecked=0, Total=2352 [2020-07-07 13:02:22,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-07 13:02:22,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-07 13:02:22,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-07 13:02:22,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-07 13:02:22,922 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 661 [2020-07-07 13:02:22,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-07 13:02:22,922 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-07 13:02:22,922 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-07-07 13:02:22,923 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-07 13:02:22,923 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-07 13:02:22,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-07-07 13:02:22,925 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-07 13:02:23,529 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 201 [2020-07-07 13:02:23,878 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 201 [2020-07-07 13:02:24,016 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 203 [2020-07-07 13:02:24,368 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 202 [2020-07-07 13:02:25,597 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 60 [2020-07-07 13:02:40,351 WARN L193 SmtUtils]: Spent 11.03 s on a formula simplification. DAG size of input: 1305 DAG size of output: 1002 [2020-07-07 13:02:47,464 WARN L193 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-07 13:02:48,551 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 202 [2020-07-07 13:02:48,762 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 233 [2020-07-07 13:02:49,096 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 203 [2020-07-07 13:02:49,500 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-07-07 13:02:49,687 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 226 [2020-07-07 13:02:50,726 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:02:51,048 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-07 13:02:51,157 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 201 [2020-07-07 13:02:51,580 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-07 13:02:51,763 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 203 [2020-07-07 13:02:52,140 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-07-07 13:02:52,455 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-07-07 13:02:53,690 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-07-07 13:02:54,001 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-07-07 13:02:54,134 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-07-07 13:02:54,387 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2020-07-07 13:02:54,751 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-07 13:02:54,969 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-07-07 13:02:58,172 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 246 [2020-07-07 13:02:59,230 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 210 [2020-07-07 13:02:59,615 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 202 [2020-07-07 13:02:59,775 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 244 [2020-07-07 13:03:00,699 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 246 [2020-07-07 13:03:01,455 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 207 [2020-07-07 13:03:01,762 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 210 [2020-07-07 13:03:01,865 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 202 [2020-07-07 13:03:02,289 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 244 [2020-07-07 13:03:02,742 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-07 13:03:02,902 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-07 13:03:03,075 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-07 13:03:03,219 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-07 13:03:03,362 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-07 13:03:03,499 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-07 13:03:11,081 WARN L193 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 1019 DAG size of output: 778 [2020-07-07 13:03:15,034 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 237 [2020-07-07 13:03:15,310 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-07-07 13:03:16,452 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 243 [2020-07-07 13:03:17,526 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 243 [2020-07-07 13:03:17,799 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 245 [2020-07-07 13:03:18,937 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-07 13:03:19,081 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-07 13:03:28,829 WARN L193 SmtUtils]: Spent 7.19 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-07 13:03:36,032 WARN L193 SmtUtils]: Spent 7.18 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-07 13:03:40,611 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-07 13:03:40,792 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-07 13:03:41,155 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-07 13:03:41,330 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-07 13:03:41,449 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-07 13:03:41,596 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-07 13:03:41,746 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-07 13:03:41,892 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-07 13:03:42,108 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-07 13:03:42,224 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-07 13:03:42,722 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-07 13:03:42,839 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-07 13:03:43,342 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 202 [2020-07-07 13:03:43,484 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 199 [2020-07-07 13:03:44,110 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:44,325 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:44,633 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-07-07 13:03:44,749 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:44,893 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:45,091 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:45,712 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 203 [2020-07-07 13:03:47,069 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:47,193 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:47,424 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:47,632 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-07 13:03:47,752 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-07 13:03:48,500 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:48,612 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:03:48,791 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-07 13:03:55,758 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-07 13:04:01,898 WARN L193 SmtUtils]: Spent 6.14 s on a formula simplification. DAG size of input: 893 DAG size of output: 662 [2020-07-07 13:04:03,945 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-07 13:04:15,071 WARN L193 SmtUtils]: Spent 6.24 s on a formula simplification. DAG size of input: 997 DAG size of output: 764 [2020-07-07 13:04:21,935 WARN L193 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 997 DAG size of output: 764 [2020-07-07 13:04:26,230 WARN L193 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 779 DAG size of output: 630 [2020-07-07 13:04:28,789 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-07-07 13:04:29,118 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 249 [2020-07-07 13:04:29,346 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-07-07 13:04:29,470 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-07 13:04:29,632 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-07 13:04:29,860 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-07 13:04:29,976 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-07 13:04:30,095 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-07 13:04:30,349 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-07 13:04:30,492 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-07 13:04:30,713 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-07 13:04:30,849 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 212 [2020-07-07 13:04:30,996 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-07 13:04:31,122 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-07 13:04:31,413 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-07 13:04:31,573 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 212 [2020-07-07 13:04:31,784 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-07 13:04:32,087 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-07 13:04:32,289 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-07 13:04:32,440 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-07 13:04:32,598 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-07 13:04:32,728 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 206 [2020-07-07 13:04:32,999 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 200 [2020-07-07 13:04:35,022 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-07-07 13:04:36,012 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:04:36,739 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-07 13:04:36,904 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 203 [2020-07-07 13:04:43,557 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-07 13:04:43,897 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-07 13:04:44,078 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-07 13:04:44,256 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-07 13:04:44,538 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-07 13:04:45,011 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-07 13:04:45,190 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-07 13:04:45,708 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-07 13:04:46,090 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-07 13:04:46,335 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-07 13:04:46,554 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-07 13:04:46,800 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-07 13:04:46,992 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 253 [2020-07-07 13:04:47,279 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 251 [2020-07-07 13:04:51,154 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-07 13:04:52,811 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 239 [2020-07-07 13:05:00,791 WARN L193 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-07 13:05:02,204 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-07-07 13:05:02,379 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 249 [2020-07-07 13:05:02,482 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 247 [2020-07-07 13:05:02,800 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-07-07 13:05:08,699 WARN L193 SmtUtils]: Spent 3.98 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-07 13:05:12,627 WARN L193 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-07 13:05:22,138 WARN L193 SmtUtils]: Spent 7.23 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-07 13:05:25,940 WARN L193 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-07 13:05:33,254 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:05:33,366 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:05:33,474 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:05:33,582 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:05:33,694 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:05:34,479 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:05:34,914 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:05:35,040 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:05:35,148 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:05:44,166 WARN L193 SmtUtils]: Spent 7.30 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-07 13:05:51,613 WARN L193 SmtUtils]: Spent 7.43 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-07 13:05:52,922 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 251 [2020-07-07 13:05:53,284 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-07-07 13:05:53,643 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 249 [2020-07-07 13:05:55,173 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 231 [2020-07-07 13:06:02,114 WARN L193 SmtUtils]: Spent 6.25 s on a formula simplification. DAG size of input: 997 DAG size of output: 764 [2020-07-07 13:06:02,288 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 251 [2020-07-07 13:06:02,564 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-07-07 13:06:02,832 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-07-07 13:06:03,760 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-07-07 13:06:04,078 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 250 [2020-07-07 13:06:04,194 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 246 [2020-07-07 13:06:04,440 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 249 [2020-07-07 13:06:04,694 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-07-07 13:06:04,890 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2020-07-07 13:06:06,299 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:06,480 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:06,588 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:06,695 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:06,805 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:07,884 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:08,583 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:08,728 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:08,836 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:09,034 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-07 13:06:09,136 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 209 [2020-07-07 13:06:09,724 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 197 [2020-07-07 13:06:17,210 WARN L193 SmtUtils]: Spent 7.40 s on a formula simplification. DAG size of input: 1052 DAG size of output: 818 [2020-07-07 13:06:21,200 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 242 [2020-07-07 13:06:21,837 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 209 [2020-07-07 13:06:22,438 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-07-07 13:06:33,701 WARN L193 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 997 DAG size of output: 764 [2020-07-07 13:06:37,720 WARN L193 SmtUtils]: Spent 4.02 s on a formula simplification. DAG size of input: 896 DAG size of output: 616 [2020-07-07 13:06:43,135 WARN L193 SmtUtils]: Spent 4.96 s on a formula simplification. DAG size of input: 830 DAG size of output: 643 [2020-07-07 13:06:43,827 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-07-07 13:06:44,145 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 250 [2020-07-07 13:06:45,349 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 253 [2020-07-07 13:06:45,656 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 253 [2020-07-07 13:06:45,785 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 254 [2020-07-07 13:06:46,038 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 252 [2020-07-07 13:06:46,310 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 248 [2020-07-07 13:06:46,514 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-07-07 13:06:49,588 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 263 DAG size of output: 35 [2020-07-07 13:06:49,990 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 21 [2020-07-07 13:06:50,514 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 18 [2020-07-07 13:06:52,087 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 296 DAG size of output: 51 [2020-07-07 13:06:53,713 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 259 DAG size of output: 34 [2020-07-07 13:06:55,075 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 248 DAG size of output: 20 [2020-07-07 13:06:56,020 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 35 [2020-07-07 13:06:56,602 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-07 13:06:57,864 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 249 DAG size of output: 22 [2020-07-07 13:06:59,687 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 283 DAG size of output: 37 [2020-07-07 13:07:00,690 WARN L193 SmtUtils]: Spent 977.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 34 [2020-07-07 13:07:01,928 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 189 DAG size of output: 32 [2020-07-07 13:07:02,292 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:07:29,574 WARN L193 SmtUtils]: Spent 27.26 s on a formula simplification. DAG size of input: 893 DAG size of output: 40 [2020-07-07 13:07:47,676 WARN L193 SmtUtils]: Spent 18.07 s on a formula simplification. DAG size of input: 718 DAG size of output: 39 [2020-07-07 13:07:47,894 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 1 [2020-07-07 13:07:48,315 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 23 [2020-07-07 13:07:49,687 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 436 DAG size of output: 1 [2020-07-07 13:07:50,178 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-07-07 13:07:55,793 WARN L193 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 474 DAG size of output: 44 [2020-07-07 13:07:57,206 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 255 DAG size of output: 28 [2020-07-07 13:07:58,022 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 38 [2020-07-07 13:07:58,507 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 33 [2020-07-07 13:08:00,099 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 259 DAG size of output: 34 [2020-07-07 13:08:02,334 WARN L193 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 273 DAG size of output: 46 [2020-07-07 13:08:02,534 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 13:08:02,735 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 13:08:02,946 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 13:08:03,524 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 21 [2020-07-07 13:08:07,305 WARN L193 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 422 DAG size of output: 39 [2020-07-07 13:08:08,246 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 28 [2020-07-07 13:08:11,861 WARN L193 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 422 DAG size of output: 39 [2020-07-07 13:08:12,886 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 259 DAG size of output: 37 [2020-07-07 13:08:13,084 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 1 [2020-07-07 13:08:14,299 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 192 DAG size of output: 36 [2020-07-07 13:08:30,907 WARN L193 SmtUtils]: Spent 16.60 s on a formula simplification. DAG size of input: 676 DAG size of output: 38 [2020-07-07 13:08:31,796 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 34 [2020-07-07 13:08:32,312 WARN L193 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:08:33,947 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 274 DAG size of output: 46 [2020-07-07 13:08:34,490 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:08:34,625 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-07-07 13:08:35,516 WARN L193 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 34 [2020-07-07 13:08:37,358 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 270 DAG size of output: 38 [2020-07-07 13:08:39,182 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 270 DAG size of output: 38 [2020-07-07 13:08:39,622 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-07 13:08:41,741 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 267 DAG size of output: 44 [2020-07-07 13:08:43,062 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 231 DAG size of output: 36 [2020-07-07 13:08:44,230 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 236 DAG size of output: 39 [2020-07-07 13:08:45,510 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 231 DAG size of output: 36 [2020-07-07 13:08:46,807 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 192 DAG size of output: 36 [2020-07-07 13:08:48,463 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 228 DAG size of output: 33 [2020-07-07 13:08:48,967 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 18 [2020-07-07 13:08:50,191 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 228 DAG size of output: 32 [2020-07-07 13:08:50,391 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-07-07 13:08:50,970 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 33 [2020-07-07 13:08:51,221 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 16 [2020-07-07 13:08:51,427 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 29 [2020-07-07 13:08:51,640 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 22 [2020-07-07 13:08:52,467 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 24 [2020-07-07 13:08:52,824 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-07-07 13:08:54,096 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 250 DAG size of output: 24 [2020-07-07 13:08:54,481 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:08:56,190 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 312 DAG size of output: 46 [2020-07-07 13:08:56,739 WARN L193 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 25 [2020-07-07 13:08:57,173 WARN L193 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 25 [2020-07-07 13:09:15,056 WARN L193 SmtUtils]: Spent 17.88 s on a formula simplification. DAG size of input: 718 DAG size of output: 39 [2020-07-07 13:09:15,443 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 27 [2020-07-07 13:09:33,656 WARN L193 SmtUtils]: Spent 18.21 s on a formula simplification. DAG size of input: 718 DAG size of output: 39 [2020-07-07 13:09:33,784 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-07-07 13:09:34,827 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 250 DAG size of output: 34 [2020-07-07 13:09:35,370 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:09:35,525 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 1 [2020-07-07 13:09:35,748 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 13:09:36,605 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 24 [2020-07-07 13:09:36,817 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 25 [2020-07-07 13:09:38,296 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 247 DAG size of output: 33 [2020-07-07 13:09:38,497 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 13:09:38,811 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 33 [2020-07-07 13:09:39,557 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-07-07 13:09:40,078 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-07 13:09:42,852 WARN L193 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 437 DAG size of output: 44 [2020-07-07 13:09:43,358 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-07 13:09:44,406 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 34 [2020-07-07 13:09:44,940 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2020-07-07 13:09:45,114 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-07-07 13:09:54,279 WARN L193 SmtUtils]: Spent 9.16 s on a formula simplification. DAG size of input: 512 DAG size of output: 38 [2020-07-07 13:10:07,852 WARN L193 SmtUtils]: Spent 13.57 s on a formula simplification. DAG size of input: 568 DAG size of output: 38 [2020-07-07 13:10:08,442 WARN L193 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 18 [2020-07-07 13:10:10,093 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 265 DAG size of output: 36 [2020-07-07 13:10:11,285 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 302 DAG size of output: 31 [2020-07-07 13:10:11,422 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 1 [2020-07-07 13:10:12,867 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 239 DAG size of output: 40 [2020-07-07 13:10:13,094 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 13:10:13,590 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 21 [2020-07-07 13:10:13,787 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 27 [2020-07-07 13:10:15,010 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 248 DAG size of output: 20 [2020-07-07 13:10:16,383 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 233 DAG size of output: 35 [2020-07-07 13:10:17,763 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 236 DAG size of output: 38 [2020-07-07 13:10:18,073 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 16 [2020-07-07 13:10:19,453 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 236 DAG size of output: 38 [2020-07-07 13:10:19,977 WARN L193 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:10:21,207 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 248 DAG size of output: 20 [2020-07-07 13:10:22,529 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 250 DAG size of output: 24 [2020-07-07 13:10:39,324 WARN L193 SmtUtils]: Spent 16.79 s on a formula simplification. DAG size of input: 664 DAG size of output: 38 [2020-07-07 13:10:41,337 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 288 DAG size of output: 40 [2020-07-07 13:10:58,299 WARN L193 SmtUtils]: Spent 16.95 s on a formula simplification. DAG size of input: 664 DAG size of output: 38 [2020-07-07 13:11:08,121 WARN L193 SmtUtils]: Spent 9.82 s on a formula simplification. DAG size of input: 529 DAG size of output: 41 [2020-07-07 13:11:08,348 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 1 [2020-07-07 13:11:09,162 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 31 [2020-07-07 13:11:09,694 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 1 [2020-07-07 13:11:11,585 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 298 DAG size of output: 33