/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_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 15:56:01,095 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 15:56:01,101 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 15:56:01,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 15:56:01,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 15:56:01,129 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 15:56:01,130 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 15:56:01,132 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 15:56:01,134 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 15:56:01,135 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 15:56:01,136 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 15:56:01,137 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 15:56:01,137 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 15:56:01,138 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 15:56:01,139 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 15:56:01,140 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 15:56:01,141 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 15:56:01,142 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 15:56:01,144 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 15:56:01,146 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 15:56:01,148 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 15:56:01,149 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 15:56:01,150 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 15:56:01,151 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 15:56:01,154 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 15:56:01,154 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 15:56:01,154 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 15:56:01,155 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 15:56:01,156 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 15:56:01,157 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 15:56:01,157 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 15:56:01,158 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 15:56:01,159 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 15:56:01,160 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 15:56:01,161 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 15:56:01,161 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 15:56:01,162 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 15:56:01,162 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 15:56:01,162 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 15:56:01,163 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 15:56:01,164 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 15:56:01,165 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 15:56:01,177 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 15:56:01,177 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 15:56:01,178 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 15:56:01,179 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 15:56:01,179 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 15:56:01,179 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 15:56:01,179 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 15:56:01,179 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 15:56:01,180 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 15:56:01,180 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 15:56:01,180 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 15:56:01,180 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 15:56:01,180 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 15:56:01,181 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 15:56:01,181 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 15:56:01,181 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 15:56:01,181 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 15:56:01,181 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 15:56:01,181 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 15:56:01,182 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 15:56:01,182 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 15:56:01,182 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 15:56:01,182 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-09-04 15:56:01,592 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 15:56:01,610 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 15:56:01,614 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 15:56:01,616 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 15:56:01,616 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 15:56:01,617 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-04 15:56:01,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99a9017bc/2483716fec8f4a87a9e60c5a91912f22/FLAG87ff5b256 [2020-09-04 15:56:02,354 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 15:56:02,355 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-04 15:56:02,381 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99a9017bc/2483716fec8f4a87a9e60c5a91912f22/FLAG87ff5b256 [2020-09-04 15:56:02,554 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/99a9017bc/2483716fec8f4a87a9e60c5a91912f22 [2020-09-04 15:56:02,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 15:56:02,571 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 15:56:02,572 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 15:56:02,572 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 15:56:02,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 15:56:02,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:56:02" (1/1) ... [2020-09-04 15:56:02,581 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51800d17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:02, skipping insertion in model container [2020-09-04 15:56:02,581 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 03:56:02" (1/1) ... [2020-09-04 15:56:02,589 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 15:56:02,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 15:56:03,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:56:03,048 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 15:56:03,255 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 15:56:03,295 INFO L208 MainTranslator]: Completed translation [2020-09-04 15:56:03,296 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03 WrapperNode [2020-09-04 15:56:03,296 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 15:56:03,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 15:56:03,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 15:56:03,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 15:56:03,312 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03" (1/1) ... [2020-09-04 15:56:03,312 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03" (1/1) ... [2020-09-04 15:56:03,339 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03" (1/1) ... [2020-09-04 15:56:03,340 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03" (1/1) ... [2020-09-04 15:56:03,385 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03" (1/1) ... [2020-09-04 15:56:03,400 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03" (1/1) ... [2020-09-04 15:56:03,407 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03" (1/1) ... [2020-09-04 15:56:03,419 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 15:56:03,419 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 15:56:03,419 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 15:56:03,420 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 15:56:03,421 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 15:56:03,518 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 15:56:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 15:56:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 15:56:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 15:56:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 15:56:03,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 15:56:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 15:56:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 15:56:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 15:56:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 15:56:03,520 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 15:56:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:56:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-04 15:56:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 15:56:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 15:56:03,521 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 15:56:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 15:56:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 15:56:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 15:56:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 15:56:03,522 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 15:56:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 15:56:03,523 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 15:56:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 15:56:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 15:56:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 15:56:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:56:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:56:03,524 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:56:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 15:56:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 15:56:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 15:56:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 15:56:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 15:56:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 15:56:03,525 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 15:56:03,526 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 15:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 15:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 15:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 15:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 15:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 15:56:03,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 15:56:03,529 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 15:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 15:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 15:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 15:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 15:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 15:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 15:56:03,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 15:56:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 15:56:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 15:56:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 15:56:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 15:56:03,531 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 15:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 15:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 15:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 15:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 15:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 15:56:03,532 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 15:56:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 15:56:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 15:56:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 15:56:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 15:56:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 15:56:03,533 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 15:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 15:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 15:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 15:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 15:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 15:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 15:56:03,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 15:56:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 15:56:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 15:56:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 15:56:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 15:56:03,535 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 15:56:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-04 15:56:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 15:56:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 15:56:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 15:56:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 15:56:03,536 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 15:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 15:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 15:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 15:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 15:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 15:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 15:56:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 15:56:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 15:56:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 15:56:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 15:56:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 15:56:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 15:56:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 15:56:03,539 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 15:56:04,905 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 15:56:04,905 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 15:56:04,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:56:04 BoogieIcfgContainer [2020-09-04 15:56:04,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 15:56:04,920 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 15:56:04,920 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 15:56:04,924 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 15:56:04,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 03:56:02" (1/3) ... [2020-09-04 15:56:04,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58247966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:56:04, skipping insertion in model container [2020-09-04 15:56:04,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 03:56:03" (2/3) ... [2020-09-04 15:56:04,926 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58247966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 03:56:04, skipping insertion in model container [2020-09-04 15:56:04,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 03:56:04" (3/3) ... [2020-09-04 15:56:04,928 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2020-09-04 15:56:04,938 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 15:56:04,948 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 15:56:04,968 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 15:56:04,991 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 15:56:04,991 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 15:56:04,991 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-09-04 15:56:04,992 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 15:56:04,992 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 15:56:04,992 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 15:56:04,992 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 15:56:04,992 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 15:56:05,014 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-04 15:56:05,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 15:56:05,037 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:05,038 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:56:05,038 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:05,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:05,045 INFO L82 PathProgramCache]: Analyzing trace with hash -1827526995, now seen corresponding path program 1 times [2020-09-04 15:56:05,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:05,055 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1296366014] [2020-09-04 15:56:05,055 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:05,128 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:05,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:05,901 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:05,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:05,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:06,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:06,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:06,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:06,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 15:56:06,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:06,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 15:56:06,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 15:56:06,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:06,160 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 15:56:06,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1296366014] [2020-09-04 15:56:06,164 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:06,165 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 15:56:06,165 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316426132] [2020-09-04 15:56:06,171 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 15:56:06,172 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:06,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 15:56:06,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 15:56:06,192 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 4 states. [2020-09-04 15:56:07,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:07,570 INFO L93 Difference]: Finished difference Result 559 states and 654 transitions. [2020-09-04 15:56:07,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 15:56:07,572 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 15:56:07,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:07,593 INFO L225 Difference]: With dead ends: 559 [2020-09-04 15:56:07,593 INFO L226 Difference]: Without dead ends: 345 [2020-09-04 15:56:07,601 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 15:56:07,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-04 15:56:07,794 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 299. [2020-09-04 15:56:07,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-04 15:56:07,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 327 transitions. [2020-09-04 15:56:07,801 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 327 transitions. Word has length 160 [2020-09-04 15:56:07,802 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:07,802 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 327 transitions. [2020-09-04 15:56:07,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 15:56:07,803 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 327 transitions. [2020-09-04 15:56:07,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 15:56:07,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:07,809 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:56:07,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 15:56:07,809 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:07,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:07,810 INFO L82 PathProgramCache]: Analyzing trace with hash -241793029, now seen corresponding path program 1 times [2020-09-04 15:56:07,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:07,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227173166] [2020-09-04 15:56:07,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:07,814 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,263 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:08,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:08,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:08,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:56:08,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 15:56:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 15:56:08,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:08,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 15:56:08,396 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227173166] [2020-09-04 15:56:08,396 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:08,396 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 15:56:08,397 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931923577] [2020-09-04 15:56:08,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 15:56:08,399 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:08,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 15:56:08,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 15:56:08,400 INFO L87 Difference]: Start difference. First operand 299 states and 327 transitions. Second operand 5 states. [2020-09-04 15:56:09,061 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:10,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:10,332 INFO L93 Difference]: Finished difference Result 488 states and 550 transitions. [2020-09-04 15:56:10,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 15:56:10,334 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 15:56:10,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:10,339 INFO L225 Difference]: With dead ends: 488 [2020-09-04 15:56:10,340 INFO L226 Difference]: Without dead ends: 334 [2020-09-04 15:56:10,342 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 15:56:10,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-09-04 15:56:10,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 289. [2020-09-04 15:56:10,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-09-04 15:56:10,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 314 transitions. [2020-09-04 15:56:10,419 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 314 transitions. Word has length 161 [2020-09-04 15:56:10,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:10,420 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 314 transitions. [2020-09-04 15:56:10,420 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 15:56:10,420 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2020-09-04 15:56:10,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-04 15:56:10,423 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:10,423 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] [2020-09-04 15:56:10,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 15:56:10,424 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:10,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:10,424 INFO L82 PathProgramCache]: Analyzing trace with hash -562238385, now seen corresponding path program 1 times [2020-09-04 15:56:10,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:10,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [97390855] [2020-09-04 15:56:10,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:10,428 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:10,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:10,889 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:10,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:10,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:10,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:10,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:10,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:10,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:10,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:10,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:11,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 15:56:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:11,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 15:56:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 15:56:11,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 15:56:11,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [97390855] [2020-09-04 15:56:11,075 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:11,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 15:56:11,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122635313] [2020-09-04 15:56:11,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 15:56:11,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:11,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 15:56:11,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 15:56:11,078 INFO L87 Difference]: Start difference. First operand 289 states and 314 transitions. Second operand 10 states. [2020-09-04 15:56:11,619 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:12,034 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:12,342 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:56:12,662 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:12,975 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:13,299 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:15,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:15,167 INFO L93 Difference]: Finished difference Result 508 states and 576 transitions. [2020-09-04 15:56:15,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 15:56:15,168 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-09-04 15:56:15,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:15,173 INFO L225 Difference]: With dead ends: 508 [2020-09-04 15:56:15,173 INFO L226 Difference]: Without dead ends: 334 [2020-09-04 15:56:15,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:56:15,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-09-04 15:56:15,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 289. [2020-09-04 15:56:15,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-09-04 15:56:15,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 313 transitions. [2020-09-04 15:56:15,251 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 313 transitions. Word has length 170 [2020-09-04 15:56:15,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:15,252 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 313 transitions. [2020-09-04 15:56:15,252 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 15:56:15,253 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 313 transitions. [2020-09-04 15:56:15,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-04 15:56:15,256 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:15,256 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] [2020-09-04 15:56:15,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 15:56:15,256 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:15,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:15,257 INFO L82 PathProgramCache]: Analyzing trace with hash 550562744, now seen corresponding path program 1 times [2020-09-04 15:56:15,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:15,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [398823929] [2020-09-04 15:56:15,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:15,261 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,627 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:15,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:15,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 15:56:15,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 15:56:15,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:15,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-04 15:56:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-04 15:56:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:15,872 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 15:56:15,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [398823929] [2020-09-04 15:56:15,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:15,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 15:56:15,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290733960] [2020-09-04 15:56:15,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 15:56:15,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:15,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 15:56:15,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 15:56:15,875 INFO L87 Difference]: Start difference. First operand 289 states and 313 transitions. Second operand 7 states. [2020-09-04 15:56:16,486 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:18,295 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:19,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:19,112 INFO L93 Difference]: Finished difference Result 654 states and 752 transitions. [2020-09-04 15:56:19,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 15:56:19,113 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-09-04 15:56:19,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:19,118 INFO L225 Difference]: With dead ends: 654 [2020-09-04 15:56:19,118 INFO L226 Difference]: Without dead ends: 480 [2020-09-04 15:56:19,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:56:19,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-04 15:56:19,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 412. [2020-09-04 15:56:19,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-04 15:56:19,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 446 transitions. [2020-09-04 15:56:19,240 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 446 transitions. Word has length 188 [2020-09-04 15:56:19,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:19,241 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 446 transitions. [2020-09-04 15:56:19,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 15:56:19,241 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 446 transitions. [2020-09-04 15:56:19,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 15:56:19,244 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:19,244 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:56:19,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 15:56:19,244 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:19,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:19,245 INFO L82 PathProgramCache]: Analyzing trace with hash -2110557582, now seen corresponding path program 1 times [2020-09-04 15:56:19,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:19,245 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591674323] [2020-09-04 15:56:19,245 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:19,248 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,753 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:19,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:19,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:19,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:19,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 15:56:19,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:19,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 15:56:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:19,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:19,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:19,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:19,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 15:56:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:19,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 15:56:19,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:20,063 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-04 15:56:20,063 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591674323] [2020-09-04 15:56:20,064 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:20,064 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 15:56:20,064 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1121477797] [2020-09-04 15:56:20,065 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 15:56:20,065 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:20,066 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 15:56:20,066 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 15:56:20,066 INFO L87 Difference]: Start difference. First operand 412 states and 446 transitions. Second operand 10 states. [2020-09-04 15:56:20,771 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:21,564 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:21,901 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:22,883 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:23,225 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:23,576 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:24,119 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:24,434 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:24,740 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:25,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:25,682 INFO L93 Difference]: Finished difference Result 776 states and 876 transitions. [2020-09-04 15:56:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 15:56:25,683 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-04 15:56:25,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:25,688 INFO L225 Difference]: With dead ends: 776 [2020-09-04 15:56:25,688 INFO L226 Difference]: Without dead ends: 479 [2020-09-04 15:56:25,689 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 15:56:25,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-09-04 15:56:25,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 411. [2020-09-04 15:56:25,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-04 15:56:25,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 443 transitions. [2020-09-04 15:56:25,804 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 443 transitions. Word has length 212 [2020-09-04 15:56:25,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:25,805 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 443 transitions. [2020-09-04 15:56:25,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 15:56:25,805 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 443 transitions. [2020-09-04 15:56:25,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-04 15:56:25,808 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:25,808 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:56:25,809 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 15:56:25,809 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:25,809 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:25,809 INFO L82 PathProgramCache]: Analyzing trace with hash 1743387457, now seen corresponding path program 1 times [2020-09-04 15:56:25,810 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:25,810 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [804758474] [2020-09-04 15:56:25,810 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:25,812 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,191 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:26,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:26,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:26,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:26,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:26,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:26,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 15:56:26,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:26,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 15:56:26,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:26,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:26,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-04 15:56:26,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-04 15:56:26,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:26,445 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:56:26,446 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [804758474] [2020-09-04 15:56:26,446 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:26,447 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 15:56:26,447 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [760705168] [2020-09-04 15:56:26,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 15:56:26,448 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:26,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 15:56:26,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 15:56:26,449 INFO L87 Difference]: Start difference. First operand 411 states and 443 transitions. Second operand 10 states. [2020-09-04 15:56:27,782 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:28,056 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:56:28,396 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:56:28,709 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:29,025 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:29,317 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:30,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:30,514 INFO L93 Difference]: Finished difference Result 777 states and 874 transitions. [2020-09-04 15:56:30,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 15:56:30,515 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-09-04 15:56:30,516 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:30,519 INFO L225 Difference]: With dead ends: 777 [2020-09-04 15:56:30,519 INFO L226 Difference]: Without dead ends: 481 [2020-09-04 15:56:30,521 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:56:30,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-09-04 15:56:30,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 419. [2020-09-04 15:56:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-04 15:56:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 451 transitions. [2020-09-04 15:56:30,652 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 451 transitions. Word has length 213 [2020-09-04 15:56:30,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:30,653 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 451 transitions. [2020-09-04 15:56:30,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 15:56:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 451 transitions. [2020-09-04 15:56:30,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-04 15:56:30,657 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:30,657 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] [2020-09-04 15:56:30,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 15:56:30,658 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:30,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:30,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1681058721, now seen corresponding path program 1 times [2020-09-04 15:56:30,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:30,659 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128605809] [2020-09-04 15:56:30,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:30,662 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,097 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:31,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:31,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 15:56:31,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:31,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 15:56:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:31,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:31,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-04 15:56:31,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-04 15:56:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:56:31,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128605809] [2020-09-04 15:56:31,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:31,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 15:56:31,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469684102] [2020-09-04 15:56:31,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 15:56:31,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:31,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 15:56:31,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-09-04 15:56:31,420 INFO L87 Difference]: Start difference. First operand 419 states and 451 transitions. Second operand 13 states. [2020-09-04 15:56:32,000 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:32,316 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:56:32,630 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:32,936 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:33,218 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:34,296 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:34,605 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:34,933 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:35,259 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:35,572 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:37,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:37,109 INFO L93 Difference]: Finished difference Result 796 states and 902 transitions. [2020-09-04 15:56:37,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 15:56:37,109 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 213 [2020-09-04 15:56:37,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:37,112 INFO L225 Difference]: With dead ends: 796 [2020-09-04 15:56:37,112 INFO L226 Difference]: Without dead ends: 492 [2020-09-04 15:56:37,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-09-04 15:56:37,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-09-04 15:56:37,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 425. [2020-09-04 15:56:37,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-09-04 15:56:37,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 457 transitions. [2020-09-04 15:56:37,224 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 457 transitions. Word has length 213 [2020-09-04 15:56:37,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:37,225 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 457 transitions. [2020-09-04 15:56:37,225 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 15:56:37,225 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 457 transitions. [2020-09-04 15:56:37,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-04 15:56:37,228 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:37,228 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] [2020-09-04 15:56:37,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 15:56:37,229 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:37,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:37,229 INFO L82 PathProgramCache]: Analyzing trace with hash -474002658, now seen corresponding path program 1 times [2020-09-04 15:56:37,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:37,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1257200747] [2020-09-04 15:56:37,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:37,232 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,566 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:37,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:37,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:37,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:37,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:37,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 15:56:37,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 15:56:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:37,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:37,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:37,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-04 15:56:37,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-04 15:56:37,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:37,828 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:56:37,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1257200747] [2020-09-04 15:56:37,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:37,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 15:56:37,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1065666443] [2020-09-04 15:56:37,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 15:56:37,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:37,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 15:56:37,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 15:56:37,831 INFO L87 Difference]: Start difference. First operand 425 states and 457 transitions. Second operand 7 states. [2020-09-04 15:56:38,335 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:39,042 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:41,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:41,609 INFO L93 Difference]: Finished difference Result 1057 states and 1221 transitions. [2020-09-04 15:56:41,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 15:56:41,610 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-09-04 15:56:41,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:41,614 INFO L225 Difference]: With dead ends: 1057 [2020-09-04 15:56:41,615 INFO L226 Difference]: Without dead ends: 747 [2020-09-04 15:56:41,616 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 41 SyntacticMatches, 4 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-09-04 15:56:41,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2020-09-04 15:56:41,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 678. [2020-09-04 15:56:41,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2020-09-04 15:56:41,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 749 transitions. [2020-09-04 15:56:41,911 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 749 transitions. Word has length 213 [2020-09-04 15:56:41,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:41,912 INFO L479 AbstractCegarLoop]: Abstraction has 678 states and 749 transitions. [2020-09-04 15:56:41,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 15:56:41,912 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 749 transitions. [2020-09-04 15:56:41,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-04 15:56:41,915 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:41,915 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] [2020-09-04 15:56:41,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 15:56:41,916 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:41,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:41,916 INFO L82 PathProgramCache]: Analyzing trace with hash -1328333390, now seen corresponding path program 1 times [2020-09-04 15:56:41,916 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:41,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1115441274] [2020-09-04 15:56:41,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:41,920 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:41,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,376 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:42,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:42,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:42,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:42,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:42,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:42,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:56:42,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 15:56:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:42,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 15:56:42,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:42,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:42,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:42,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 15:56:42,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-04 15:56:42,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:56:42,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1115441274] [2020-09-04 15:56:42,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:42,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 15:56:42,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264417741] [2020-09-04 15:56:42,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 15:56:42,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:42,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 15:56:42,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-09-04 15:56:42,681 INFO L87 Difference]: Start difference. First operand 678 states and 749 transitions. Second operand 14 states. [2020-09-04 15:56:43,482 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:56:44,409 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:46,370 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 15:56:46,975 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:56:47,351 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:47,666 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:48,242 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 15:56:48,560 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:48,919 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:56:49,220 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:51,055 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:56:51,356 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:51,723 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:52,427 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 15:56:54,084 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 15:56:54,676 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 15:56:55,416 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 15:56:55,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:56:55,996 INFO L93 Difference]: Finished difference Result 1870 states and 2152 transitions. [2020-09-04 15:56:56,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-04 15:56:56,000 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-09-04 15:56:56,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:56:56,008 INFO L225 Difference]: With dead ends: 1870 [2020-09-04 15:56:56,008 INFO L226 Difference]: Without dead ends: 1415 [2020-09-04 15:56:56,011 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 15:56:56,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2020-09-04 15:56:56,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1235. [2020-09-04 15:56:56,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2020-09-04 15:56:56,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1353 transitions. [2020-09-04 15:56:56,417 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1353 transitions. Word has length 218 [2020-09-04 15:56:56,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:56:56,418 INFO L479 AbstractCegarLoop]: Abstraction has 1235 states and 1353 transitions. [2020-09-04 15:56:56,418 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 15:56:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1353 transitions. [2020-09-04 15:56:56,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-09-04 15:56:56,424 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:56:56,424 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:56:56,425 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 15:56:56,425 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:56:56,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:56:56,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1512699438, now seen corresponding path program 1 times [2020-09-04 15:56:56,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:56:56,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636815368] [2020-09-04 15:56:56,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:56:56,475 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:56:56,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,846 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:56:56,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:56,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:56:56,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:56:56,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:56:56,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:56:56,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:56:56,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:56:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:56:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:56,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:56,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:56:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:57,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:57,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:57,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:56:57,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:56:57,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:57,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-04 15:56:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:56:57,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-04 15:56:57,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-04 15:56:57,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:56:57,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:56:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:56:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:56:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:56:57,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-09-04 15:56:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 15:56:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:56:57,483 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:56:57,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636815368] [2020-09-04 15:56:57,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:56:57,485 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:56:57,485 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115387193] [2020-09-04 15:56:57,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:56:57,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:56:57,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:56:57,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:56:57,490 INFO L87 Difference]: Start difference. First operand 1235 states and 1353 transitions. Second operand 18 states. [2020-09-04 15:56:58,466 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:56:58,816 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:56:59,061 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:56:59,378 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:56:59,681 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:00,708 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:57:01,100 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:57:01,441 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:01,985 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:57:02,418 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 15:57:03,531 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:04,143 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:57:04,581 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 15:57:06,015 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:57:06,687 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:57:07,034 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:57:07,649 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 15:57:08,102 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:08,921 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:09,614 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:57:10,025 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:57:11,033 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:11,758 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 15:57:12,465 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 15:57:13,399 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 15:57:14,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:14,544 INFO L93 Difference]: Finished difference Result 2599 states and 2908 transitions. [2020-09-04 15:57:14,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-09-04 15:57:14,546 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 328 [2020-09-04 15:57:14,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:14,555 INFO L225 Difference]: With dead ends: 2599 [2020-09-04 15:57:14,556 INFO L226 Difference]: Without dead ends: 1582 [2020-09-04 15:57:14,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=815, Invalid=3877, Unknown=0, NotChecked=0, Total=4692 [2020-09-04 15:57:14,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2020-09-04 15:57:15,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1446. [2020-09-04 15:57:15,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1446 states. [2020-09-04 15:57:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1592 transitions. [2020-09-04 15:57:15,272 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1592 transitions. Word has length 328 [2020-09-04 15:57:15,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:15,273 INFO L479 AbstractCegarLoop]: Abstraction has 1446 states and 1592 transitions. [2020-09-04 15:57:15,273 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:57:15,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1592 transitions. [2020-09-04 15:57:15,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2020-09-04 15:57:15,281 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:15,282 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1] [2020-09-04 15:57:15,282 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 15:57:15,282 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:15,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:15,283 INFO L82 PathProgramCache]: Analyzing trace with hash 1606358541, now seen corresponding path program 1 times [2020-09-04 15:57:15,283 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:15,283 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [403380303] [2020-09-04 15:57:15,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:15,310 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:15,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,791 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:15,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:15,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:15,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:15,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:57:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:15,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:15,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 15:57:16,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:16,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:57:16,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:16,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 15:57:16,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:16,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:16,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:16,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:16,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:57:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:16,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-09-04 15:57:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-09-04 15:57:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 15:57:16,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-09-04 15:57:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-09-04 15:57:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:16,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:57:16,445 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [403380303] [2020-09-04 15:57:16,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:16,446 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-09-04 15:57:16,446 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329842594] [2020-09-04 15:57:16,447 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 15:57:16,447 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:16,448 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 15:57:16,449 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-09-04 15:57:16,449 INFO L87 Difference]: Start difference. First operand 1446 states and 1592 transitions. Second operand 16 states. [2020-09-04 15:57:18,673 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:18,998 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:19,320 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:19,640 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:19,940 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:20,233 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:22,297 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:22,668 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:23,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:23,942 INFO L93 Difference]: Finished difference Result 3578 states and 4064 transitions. [2020-09-04 15:57:23,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 15:57:23,943 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 499 [2020-09-04 15:57:23,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:23,954 INFO L225 Difference]: With dead ends: 3578 [2020-09-04 15:57:23,954 INFO L226 Difference]: Without dead ends: 2120 [2020-09-04 15:57:23,959 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 110 SyntacticMatches, 6 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 248 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=292, Invalid=968, Unknown=0, NotChecked=0, Total=1260 [2020-09-04 15:57:23,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2020-09-04 15:57:24,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1823. [2020-09-04 15:57:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2020-09-04 15:57:24,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2041 transitions. [2020-09-04 15:57:24,635 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2041 transitions. Word has length 499 [2020-09-04 15:57:24,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:24,636 INFO L479 AbstractCegarLoop]: Abstraction has 1823 states and 2041 transitions. [2020-09-04 15:57:24,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 15:57:24,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2041 transitions. [2020-09-04 15:57:24,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2020-09-04 15:57:24,643 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:24,643 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, 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] [2020-09-04 15:57:24,644 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 15:57:24,644 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:24,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:24,644 INFO L82 PathProgramCache]: Analyzing trace with hash -892852378, now seen corresponding path program 1 times [2020-09-04 15:57:24,644 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:24,645 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1251112694] [2020-09-04 15:57:24,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:24,665 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,072 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:25,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:25,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:25,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:25,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:25,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:25,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:25,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:25,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:25,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:57:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 15:57:25,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:25,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:25,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:57:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:57:25,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-09-04 15:57:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:25,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:25,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:57:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-09-04 15:57:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 15:57:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 15:57:25,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:25,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-09-04 15:57:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-09-04 15:57:25,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:25,839 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:57:25,840 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1251112694] [2020-09-04 15:57:25,840 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:25,840 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:57:25,840 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388414678] [2020-09-04 15:57:25,842 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:57:25,842 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:25,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:57:25,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:57:25,843 INFO L87 Difference]: Start difference. First operand 1823 states and 2041 transitions. Second operand 18 states. [2020-09-04 15:57:26,436 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:26,878 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:27,210 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:57:27,541 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:27,867 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:57:28,188 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:29,184 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:29,535 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:30,837 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:31,390 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:31,779 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:32,132 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:32,909 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:33,252 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:34,710 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:35,110 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:35,427 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:57:37,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:37,086 INFO L93 Difference]: Finished difference Result 3409 states and 3858 transitions. [2020-09-04 15:57:37,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-04 15:57:37,087 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 509 [2020-09-04 15:57:37,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:37,099 INFO L225 Difference]: With dead ends: 3409 [2020-09-04 15:57:37,099 INFO L226 Difference]: Without dead ends: 1836 [2020-09-04 15:57:37,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=414, Invalid=1748, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 15:57:37,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2020-09-04 15:57:38,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1759. [2020-09-04 15:57:38,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1759 states. [2020-09-04 15:57:38,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 1950 transitions. [2020-09-04 15:57:38,617 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 1950 transitions. Word has length 509 [2020-09-04 15:57:38,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:38,618 INFO L479 AbstractCegarLoop]: Abstraction has 1759 states and 1950 transitions. [2020-09-04 15:57:38,618 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:57:38,618 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 1950 transitions. [2020-09-04 15:57:38,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2020-09-04 15:57:38,625 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:38,626 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:57:38,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 15:57:38,626 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:38,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:38,627 INFO L82 PathProgramCache]: Analyzing trace with hash 2027593558, now seen corresponding path program 1 times [2020-09-04 15:57:38,628 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:38,635 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1973528681] [2020-09-04 15:57:38,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:38,658 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:38,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,011 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:39,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:39,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:39,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:39,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:39,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:39,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:57:39,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 15:57:39,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:39,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:39,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:39,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:39,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:39,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:39,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:39,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:57:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:57:39,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 15:57:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:39,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:39,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:39,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:57:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-09-04 15:57:39,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 15:57:39,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:39,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 15:57:39,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2020-09-04 15:57:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-09-04 15:57:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:39,703 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:57:39,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1973528681] [2020-09-04 15:57:39,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:39,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2020-09-04 15:57:39,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1045237680] [2020-09-04 15:57:39,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 15:57:39,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:39,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 15:57:39,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-04 15:57:39,706 INFO L87 Difference]: Start difference. First operand 1759 states and 1950 transitions. Second operand 16 states. [2020-09-04 15:57:40,275 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:41,568 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:57:45,113 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:45,454 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:45,815 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:46,180 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:46,506 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:46,888 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:47,230 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:57:47,563 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:57:47,916 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:48,246 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:57:48,607 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:57:49,245 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 15:57:49,574 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:50,180 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 15:57:50,526 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:57:50,902 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:57:51,277 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 15:57:51,628 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 15:57:54,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:57:54,312 INFO L93 Difference]: Finished difference Result 5046 states and 5692 transitions. [2020-09-04 15:57:54,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-09-04 15:57:54,312 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 510 [2020-09-04 15:57:54,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:57:54,329 INFO L225 Difference]: With dead ends: 5046 [2020-09-04 15:57:54,329 INFO L226 Difference]: Without dead ends: 3415 [2020-09-04 15:57:54,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 586 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=502, Invalid=2048, Unknown=0, NotChecked=0, Total=2550 [2020-09-04 15:57:54,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2020-09-04 15:57:55,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3344. [2020-09-04 15:57:55,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2020-09-04 15:57:55,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 3681 transitions. [2020-09-04 15:57:55,673 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 3681 transitions. Word has length 510 [2020-09-04 15:57:55,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:57:55,674 INFO L479 AbstractCegarLoop]: Abstraction has 3344 states and 3681 transitions. [2020-09-04 15:57:55,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 15:57:55,675 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3681 transitions. [2020-09-04 15:57:55,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-09-04 15:57:55,685 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:57:55,686 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:57:55,686 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 15:57:55,686 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:57:55,686 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:57:55,687 INFO L82 PathProgramCache]: Analyzing trace with hash -1580369071, now seen corresponding path program 1 times [2020-09-04 15:57:55,687 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:57:55,687 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [468091654] [2020-09-04 15:57:55,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:57:55,707 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:57:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,103 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:57:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:57:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:57:56,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:57:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:57:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:57:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:57:56,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:57:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:57:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:57:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 15:57:56,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:56,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:56,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:57:56,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:57:56,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:57:56,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 15:57:56,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 15:57:56,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:57:56,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:57:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:57:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:57:56,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:57:56,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 15:57:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:57:56,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 15:57:56,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:57:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:57:56,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:57:56,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-09-04 15:57:56,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 15:57:56,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:57:56,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:57:56,886 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [468091654] [2020-09-04 15:57:56,886 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:57:56,886 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:57:56,886 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853729479] [2020-09-04 15:57:56,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:57:56,887 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:57:56,887 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:57:56,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:57:56,888 INFO L87 Difference]: Start difference. First operand 3344 states and 3681 transitions. Second operand 18 states. [2020-09-04 15:57:57,537 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:57:59,831 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:00,172 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:00,790 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:58:01,109 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:01,785 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 15:58:02,107 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:02,695 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 15:58:03,029 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:03,365 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:03,675 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:03,974 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:06,289 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:06,632 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:10,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:10,132 INFO L93 Difference]: Finished difference Result 7177 states and 8242 transitions. [2020-09-04 15:58:10,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-04 15:58:10,137 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 511 [2020-09-04 15:58:10,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:10,161 INFO L225 Difference]: With dead ends: 7177 [2020-09-04 15:58:10,161 INFO L226 Difference]: Without dead ends: 5150 [2020-09-04 15:58:10,168 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 130 SyntacticMatches, 8 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 943 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=663, Invalid=2877, Unknown=0, NotChecked=0, Total=3540 [2020-09-04 15:58:10,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5150 states. [2020-09-04 15:58:11,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5150 to 4186. [2020-09-04 15:58:11,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4186 states. [2020-09-04 15:58:11,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 4186 states and 4585 transitions. [2020-09-04 15:58:11,836 INFO L78 Accepts]: Start accepts. Automaton has 4186 states and 4585 transitions. Word has length 511 [2020-09-04 15:58:11,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:11,837 INFO L479 AbstractCegarLoop]: Abstraction has 4186 states and 4585 transitions. [2020-09-04 15:58:11,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:58:11,837 INFO L276 IsEmpty]: Start isEmpty. Operand 4186 states and 4585 transitions. [2020-09-04 15:58:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-09-04 15:58:11,847 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:11,847 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:58:11,847 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 15:58:11,848 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:11,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:11,848 INFO L82 PathProgramCache]: Analyzing trace with hash -146192794, now seen corresponding path program 1 times [2020-09-04 15:58:11,848 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:11,848 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1974421294] [2020-09-04 15:58:11,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:11,869 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:11,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,247 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:12,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:12,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:12,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:58:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:12,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:58:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:12,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:12,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:58:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 15:58:12,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:12,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:12,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:58:12,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:12,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:58:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:58:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 15:58:12,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 15:58:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:12,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:58:12,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:58:12,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:12,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-09-04 15:58:12,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-09-04 15:58:12,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:12,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 15:58:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:12,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:12,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-04 15:58:12,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-09-04 15:58:12,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:12,903 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:58:12,903 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1974421294] [2020-09-04 15:58:12,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:12,904 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [18] imperfect sequences [] total 18 [2020-09-04 15:58:12,904 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422337107] [2020-09-04 15:58:12,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 15:58:12,905 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:12,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 15:58:12,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-09-04 15:58:12,905 INFO L87 Difference]: Start difference. First operand 4186 states and 4585 transitions. Second operand 18 states. [2020-09-04 15:58:13,553 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:15,244 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:16,363 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:16,713 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:17,416 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:58:17,751 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:18,388 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 15:58:18,721 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:19,318 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 15:58:19,948 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 15:58:20,612 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 15:58:21,221 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 15:58:21,525 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:24,630 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:24,979 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:26,115 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:27,270 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:27,648 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:28,308 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:58:28,642 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:58:29,303 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 15:58:29,637 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 15:58:30,245 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 15:58:30,615 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:31,036 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 15:58:31,392 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 15:58:36,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:36,789 INFO L93 Difference]: Finished difference Result 9597 states and 11081 transitions. [2020-09-04 15:58:36,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-09-04 15:58:36,790 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 526 [2020-09-04 15:58:36,790 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:36,824 INFO L225 Difference]: With dead ends: 9597 [2020-09-04 15:58:36,824 INFO L226 Difference]: Without dead ends: 7095 [2020-09-04 15:58:36,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 155 SyntacticMatches, 7 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2744 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=1444, Invalid=6928, Unknown=0, NotChecked=0, Total=8372 [2020-09-04 15:58:36,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7095 states. [2020-09-04 15:58:38,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7095 to 5314. [2020-09-04 15:58:38,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5314 states. [2020-09-04 15:58:38,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 5801 transitions. [2020-09-04 15:58:38,701 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 5801 transitions. Word has length 526 [2020-09-04 15:58:38,702 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:38,702 INFO L479 AbstractCegarLoop]: Abstraction has 5314 states and 5801 transitions. [2020-09-04 15:58:38,702 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 15:58:38,702 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 5801 transitions. [2020-09-04 15:58:38,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2020-09-04 15:58:38,718 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:38,719 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:58:38,719 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 15:58:38,719 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:38,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:38,720 INFO L82 PathProgramCache]: Analyzing trace with hash 774744846, now seen corresponding path program 1 times [2020-09-04 15:58:38,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:38,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1367721692] [2020-09-04 15:58:38,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:38,740 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,180 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:58:39,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:58:39,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:58:39,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:58:39,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:58:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:58:39,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:58:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:58:39,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:58:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:58:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 15:58:39,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:39,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:39,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:39,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:58:39,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:58:39,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:58:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:39,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 15:58:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 15:58:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:58:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:58:39,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:58:39,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:58:39,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:58:39,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-09-04 15:58:39,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 15:58:39,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:58:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:39,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 15:58:39,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:58:39,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-09-04 15:58:39,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-09-04 15:58:39,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:58:39,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-09-04 15:58:39,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:58:39,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:58:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:58:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2020-09-04 15:58:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2020-09-04 15:58:39,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:58:39,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:58:39,881 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1367721692] [2020-09-04 15:58:39,881 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:58:39,882 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:58:39,882 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369179215] [2020-09-04 15:58:39,883 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:58:39,883 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:58:39,883 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:58:39,883 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:58:39,883 INFO L87 Difference]: Start difference. First operand 5314 states and 5801 transitions. Second operand 17 states. [2020-09-04 15:58:40,952 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:41,966 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 15:58:45,027 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:58:45,362 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 15:58:45,733 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:46,060 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 15:58:46,373 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:58:46,939 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 15:58:49,135 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 12 [2020-09-04 15:58:50,789 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 15:58:51,117 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 15:58:51,742 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 15:58:52,135 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 15:58:52,543 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:58:52,903 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 15:58:53,230 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:58:56,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:58:56,959 INFO L93 Difference]: Finished difference Result 15053 states and 17217 transitions. [2020-09-04 15:58:56,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-04 15:58:56,959 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 629 [2020-09-04 15:58:56,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:58:57,000 INFO L225 Difference]: With dead ends: 15053 [2020-09-04 15:58:57,001 INFO L226 Difference]: Without dead ends: 9579 [2020-09-04 15:58:57,016 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 159 SyntacticMatches, 10 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1184 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=986, Invalid=3436, Unknown=0, NotChecked=0, Total=4422 [2020-09-04 15:58:57,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9579 states. [2020-09-04 15:58:59,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9579 to 7013. [2020-09-04 15:58:59,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7013 states. [2020-09-04 15:58:59,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7013 states to 7013 states and 7622 transitions. [2020-09-04 15:58:59,681 INFO L78 Accepts]: Start accepts. Automaton has 7013 states and 7622 transitions. Word has length 629 [2020-09-04 15:58:59,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:58:59,682 INFO L479 AbstractCegarLoop]: Abstraction has 7013 states and 7622 transitions. [2020-09-04 15:58:59,682 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:58:59,682 INFO L276 IsEmpty]: Start isEmpty. Operand 7013 states and 7622 transitions. [2020-09-04 15:58:59,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2020-09-04 15:58:59,699 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 15:58:59,700 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 15:58:59,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 15:58:59,700 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 15:58:59,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 15:58:59,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1827630766, now seen corresponding path program 1 times [2020-09-04 15:58:59,705 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 15:58:59,705 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [308342903] [2020-09-04 15:58:59,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 15:58:59,725 INFO L283 leratedInterpolation]: No loops in this trace, falling back to nested interpolation [2020-09-04 15:58:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,368 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 15:59:00,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 15:59:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 15:59:00,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 15:59:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 15:59:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 15:59:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 15:59:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 15:59:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 15:59:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 15:59:00,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:00,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:59:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:00,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 15:59:00,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 15:59:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:00,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 15:59:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 15:59:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 15:59:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 15:59:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 15:59:00,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 15:59:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 15:59:00,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-09-04 15:59:00,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 15:59:00,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 15:59:00,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:00,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 15:59:00,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 15:59:00,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-09-04 15:59:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-09-04 15:59:00,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 15:59:00,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-09-04 15:59:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 15:59:00,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 15:59:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 15:59:00,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2020-09-04 15:59:00,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2020-09-04 15:59:00,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 15:59:00,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-04 15:59:00,970 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [308342903] [2020-09-04 15:59:00,970 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 15:59:00,970 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2020-09-04 15:59:00,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446561176] [2020-09-04 15:59:00,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 15:59:00,971 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 15:59:00,972 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 15:59:00,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 15:59:00,972 INFO L87 Difference]: Start difference. First operand 7013 states and 7622 transitions. Second operand 17 states. [2020-09-04 15:59:01,713 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 15:59:02,035 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:59:02,352 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:02,665 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:02,965 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:06,173 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:06,483 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:06,802 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 15:59:07,125 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:07,444 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 15:59:07,746 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 15:59:08,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 15:59:08,546 INFO L93 Difference]: Finished difference Result 8015 states and 8749 transitions. [2020-09-04 15:59:08,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-04 15:59:08,547 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 629 [2020-09-04 15:59:08,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 15:59:08,549 INFO L225 Difference]: With dead ends: 8015 [2020-09-04 15:59:08,549 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 15:59:08,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=311, Invalid=1021, Unknown=0, NotChecked=0, Total=1332 [2020-09-04 15:59:08,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 15:59:08,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 15:59:08,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 15:59:08,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 15:59:08,566 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 629 [2020-09-04 15:59:08,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 15:59:08,566 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 15:59:08,566 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 15:59:08,566 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 15:59:08,567 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 15:59:08,567 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 15:59:08,569 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 15:59:09,607 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 15:59:10,597 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 15:59:11,559 WARN L193 SmtUtils]: Spent 953.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 15:59:12,504 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 15:59:13,466 WARN L193 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 15:59:14,417 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 15:59:15,362 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 15:59:15,909 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:59:16,820 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 15:59:17,171 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:17,948 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 15:59:18,615 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:59:19,614 WARN L193 SmtUtils]: Spent 988.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 15:59:20,204 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:59:21,192 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 15:59:21,573 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:21,922 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:22,299 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:59:22,840 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 15:59:23,194 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:24,556 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 15:59:24,959 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:25,913 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 237 [2020-09-04 15:59:26,264 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:26,630 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:26,985 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:27,347 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:28,168 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 15:59:28,769 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 15:59:30,135 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 15:59:30,631 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 203 [2020-09-04 15:59:31,190 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:59:31,842 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 15:59:32,384 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 15:59:33,290 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 15:59:34,064 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 15:59:35,026 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 15:59:35,611 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 15:59:36,593 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 15:59:36,941 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:37,290 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 15:59:37,655 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:38,045 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:38,415 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:59:38,822 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 15:59:39,219 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:59:39,640 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 15:59:40,074 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 15:59:40,468 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 15:59:40,867 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:59:41,269 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:41,672 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 15:59:42,072 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 15:59:42,472 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 15:59:43,106 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 15:59:43,773 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 15:59:44,178 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 15:59:44,562 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 15:59:45,551 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2020-09-04 15:59:46,528 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 237 [2020-09-04 15:59:46,902 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:59:47,277 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:59:47,660 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 15:59:48,018 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 15:59:48,663 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 15:59:49,027 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:49,737 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 15:59:50,563 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 15:59:51,206 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 15:59:51,570 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 15:59:51,972 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:52,338 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 15:59:52,700 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:53,083 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 15:59:53,452 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 15:59:53,817 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 15:59:54,196 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:59:54,571 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 15:59:54,941 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:59:55,586 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 15:59:55,956 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 15:59:56,594 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 15:59:56,949 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 15:59:58,249 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 15:59:58,601 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 15:59:59,198 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:00:00,567 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 16:00:00,932 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:01,604 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 16:00:01,955 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:02,329 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:02,693 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:03,047 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:04,383 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 16:00:04,750 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:05,110 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:05,503 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:05,867 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:06,272 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:07,610 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 16:00:08,980 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 16:00:09,358 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:00:09,719 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:00:10,079 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:10,450 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:00:10,800 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:11,166 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:00:11,527 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:00:11,903 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:00:12,264 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:00:12,861 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:00:13,243 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:00:13,914 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:00:15,295 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 16:00:15,683 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:00:16,055 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:00:16,433 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:00:16,807 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:00:17,415 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 16:00:17,980 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 16:00:18,541 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:00:19,832 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 229 DAG size of output: 213 [2020-09-04 16:00:20,392 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:00:21,594 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-09-04 16:00:22,252 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:00:22,879 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:00:27,174 WARN L193 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 16:00:27,560 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:00:28,463 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:00:29,004 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:00:29,776 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:00:30,132 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:30,790 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:00:31,335 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:00:32,304 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 16:00:32,889 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:00:33,871 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 16:00:34,244 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:00:34,611 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:00:38,753 WARN L193 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 16:00:39,190 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:00:40,452 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:00:40,865 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:00:41,685 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 16:00:43,193 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 237 DAG size of output: 222 [2020-09-04 16:00:43,618 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:00:44,775 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 16:00:45,184 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:00:45,612 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:00:46,042 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:00:46,456 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:00:47,944 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 247 DAG size of output: 246 [2020-09-04 16:00:48,368 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:00:48,785 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:00:49,230 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:00:49,652 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 16:00:50,100 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 16:00:51,603 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 248 DAG size of output: 247 [2020-09-04 16:00:52,706 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 16:00:53,114 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:00:53,535 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:00:53,954 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:00:54,382 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 16:00:54,790 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:00:55,215 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 16:00:55,634 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 16:00:56,040 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:00:56,460 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 16:00:57,452 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-09-04 16:00:57,892 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 16:00:59,049 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 16:01:00,223 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-09-04 16:01:00,925 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 16:01:01,619 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 16:01:02,334 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 16:01:03,531 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 235 DAG size of output: 202 [2020-09-04 16:01:04,217 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 16:01:05,602 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 236 DAG size of output: 220 [2020-09-04 16:01:05,992 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:01:06,371 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:01:06,744 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:01:07,127 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:01:07,788 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:01:08,763 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 16:01:09,114 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:09,774 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:01:10,679 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:01:11,459 WARN L193 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:01:12,000 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:01:12,967 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 16:01:13,552 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:01:13,905 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:16,836 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 16:01:17,263 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:01:17,668 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:01:18,372 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 210 [2020-09-04 16:01:18,779 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:01:19,534 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-09-04 16:01:20,323 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-09-04 16:01:21,127 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 212 [2020-09-04 16:01:21,535 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:01:21,984 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:01:22,395 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:01:22,801 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:01:23,227 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:01:23,640 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:01:24,049 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:01:24,421 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:01:25,325 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:01:26,098 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:01:26,465 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:01:27,005 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:01:27,354 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:28,014 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:01:28,984 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 16:01:29,569 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:01:30,548 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 16:01:31,093 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:01:31,444 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:32,438 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 16:01:33,421 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 16:01:33,795 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:01:34,172 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:01:34,523 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:01:34,955 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 16:01:35,546 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 16:01:36,758 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:01:37,157 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:01:38,171 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2020-09-04 16:01:39,107 WARN L193 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 220 [2020-09-04 16:01:40,276 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:01:41,251 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 16:01:41,602 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:42,261 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:01:43,167 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:01:43,942 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:01:44,482 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:01:45,447 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 16:01:46,032 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:01:46,386 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:01:47,986 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:01:48,372 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:01:49,374 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 16:01:50,371 WARN L193 SmtUtils]: Spent 989.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 16:01:50,745 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:01:51,120 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:01:56,131 WARN L193 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 488 DAG size of output: 385 [2020-09-04 16:01:56,777 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:01:57,136 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:01:57,499 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:01:58,209 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 16:01:58,845 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:01:59,483 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:01:59,854 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:00,252 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:02:00,612 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:02:00,977 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:01,353 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:01,735 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:02:02,102 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:02,477 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:02,830 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:02:03,299 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 16:02:03,478 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-09-04 16:02:03,889 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:02:04,287 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:02:04,699 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:02:05,081 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:05,450 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:05,831 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:02:06,204 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:06,576 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:06,971 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:02:07,395 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:02:07,813 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:02:08,243 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:02:09,915 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:02:10,331 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:02:12,071 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:02:12,910 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:02:13,480 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 16:02:14,054 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 16:02:14,637 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 16:02:15,627 WARN L193 SmtUtils]: Spent 981.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 230 [2020-09-04 16:02:16,196 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 16:02:17,232 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 232 [2020-09-04 16:02:17,753 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 16:02:18,391 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:02:18,779 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:02:19,157 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:02:19,535 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:02:20,183 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:02:20,559 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:02:20,916 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:02:21,274 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:02:21,654 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:22,064 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:23,070 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 16:02:24,059 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 16:02:24,434 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:24,810 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:25,185 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:25,576 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:25,940 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:26,302 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:26,665 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:27,317 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:02:27,680 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:28,319 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:02:28,591 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 31 [2020-09-04 16:02:28,975 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 197 [2020-09-04 16:02:29,459 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 196 [2020-09-04 16:02:29,946 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 196 [2020-09-04 16:02:30,424 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 196 [2020-09-04 16:02:30,673 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 16:02:31,151 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 196 [2020-09-04 16:02:31,630 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 197 [2020-09-04 16:02:32,009 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 197 [2020-09-04 16:02:32,256 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 16:02:32,503 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 16:02:32,987 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 197 [2020-09-04 16:02:33,234 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 16:02:33,614 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 198 [2020-09-04 16:02:33,860 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 16:02:34,116 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 31 [2020-09-04 16:02:34,493 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:34,883 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:35,246 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:35,608 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:35,971 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:36,621 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:02:36,984 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:37,622 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:02:37,981 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:02:41,078 WARN L193 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 16:02:41,430 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:02:44,361 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 16:02:45,022 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 16:02:45,369 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 32 [2020-09-04 16:02:45,731 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 16:02:46,078 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 32 [2020-09-04 16:02:46,443 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:02:46,819 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:47,181 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:47,544 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:47,910 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:52,926 WARN L193 SmtUtils]: Spent 5.01 s on a formula simplification. DAG size of input: 488 DAG size of output: 385 [2020-09-04 16:02:53,304 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:02:53,662 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:02:54,308 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:02:54,671 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:55,385 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 16:02:56,191 WARN L193 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:02:56,831 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:02:57,195 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:02:57,592 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:02:57,958 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:02:58,319 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:58,699 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:02:59,066 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:02:59,430 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:02:59,981 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:03:00,633 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:03:01,175 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:03:02,081 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:03:02,857 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:03:03,821 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 16:03:04,406 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:03:05,391 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 16:03:05,740 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:03:06,089 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:03:06,525 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:03:06,934 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 16:03:07,360 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:03:07,744 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:09,118 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 16:03:10,484 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 16:03:10,846 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:03:12,209 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 16:03:12,878 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 16:03:13,230 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:03:14,541 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:03:14,905 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:03:15,253 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:03:15,926 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:03:16,282 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:03:16,644 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:03:17,008 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:03:17,608 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:03:18,204 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:03:18,559 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:03:18,917 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:03:20,303 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 16:03:20,661 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:03:22,044 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 16:03:22,412 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:03:23,780 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 16:03:24,141 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:03:25,447 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:03:26,786 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 16:03:27,140 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:03:27,811 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:03:29,123 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:03:30,425 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:03:31,021 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:03:32,322 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:03:33,658 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 16:03:34,011 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 16:03:35,350 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 16:03:35,774 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:03:36,157 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:03:36,567 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:03:36,964 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:03:37,544 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:03:37,914 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:03:38,299 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:03:38,666 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:03:43,729 WARN L193 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 488 DAG size of output: 385 [2020-09-04 16:03:44,095 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:03:44,474 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:03:45,432 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:03:46,396 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:03:46,771 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:03:47,465 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:03:48,102 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:03:48,471 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:03:48,961 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 16:03:49,458 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 16:03:50,021 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 16:03:50,580 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 16:03:51,081 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-09-04 16:03:51,571 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:03:52,136 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 16:03:53,153 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 247 DAG size of output: 228 [2020-09-04 16:03:53,712 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 16:03:54,718 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 16:03:55,084 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:03:55,431 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:03:56,038 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:03:56,635 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:03:57,603 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 236 [2020-09-04 16:03:58,570 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 236 [2020-09-04 16:03:58,927 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:03:59,286 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:03:59,774 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 202 [2020-09-04 16:04:01,078 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:04:01,453 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:01,812 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:02,719 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 16:04:03,623 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 16:04:03,981 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:04,342 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:05,647 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:04:06,652 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 202 [2020-09-04 16:04:07,012 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:04:08,319 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:04:08,675 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:04:09,037 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:10,336 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:04:11,639 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 16:04:15,797 WARN L193 SmtUtils]: Spent 4.15 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 16:04:17,010 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:04:17,389 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:04:17,758 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:04:22,801 WARN L193 SmtUtils]: Spent 5.04 s on a formula simplification. DAG size of input: 488 DAG size of output: 385 [2020-09-04 16:04:23,226 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:04:23,644 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:04:24,073 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 16:04:24,937 WARN L193 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 221 [2020-09-04 16:04:25,352 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:04:26,294 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 222 [2020-09-04 16:04:27,692 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 226 DAG size of output: 210 [2020-09-04 16:04:28,256 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:04:29,261 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 16:04:29,814 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 16:04:31,362 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-09-04 16:04:31,929 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:04:32,503 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 16:04:33,085 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:04:33,670 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:04:34,262 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:04:34,860 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:04:35,451 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:04:36,044 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:04:37,530 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 247 DAG size of output: 241 [2020-09-04 16:04:38,092 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:04:38,661 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 16:04:40,133 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-09-04 16:04:41,137 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:04:42,737 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-09-04 16:04:44,112 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 225 DAG size of output: 208 [2020-09-04 16:04:44,671 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:04:45,317 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:04:45,676 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:04:46,039 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:04:46,751 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 16:04:47,386 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:04:48,024 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:04:48,393 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:04:48,788 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:04:49,148 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:04:49,512 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:49,887 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:04:50,256 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:04:50,622 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:04:50,996 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:04:52,384 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 226 DAG size of output: 210 [2020-09-04 16:04:52,949 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:04:53,954 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 16:04:54,507 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 16:04:56,053 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-09-04 16:04:56,620 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 16:04:57,190 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 16:04:57,773 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:04:58,357 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:04:58,949 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:04:59,547 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:05:00,138 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:05:00,732 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 16:05:02,226 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 247 DAG size of output: 241 [2020-09-04 16:05:02,789 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:05:03,362 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 16:05:04,837 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-09-04 16:05:05,843 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:05:07,443 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-09-04 16:05:08,821 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 225 DAG size of output: 208 [2020-09-04 16:05:09,379 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 16:05:09,943 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 16:05:10,505 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 16:05:11,008 WARN L193 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 16:05:11,571 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 16:05:12,583 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 247 DAG size of output: 228 [2020-09-04 16:05:13,142 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 16:05:13,646 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:05:14,648 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 16:05:15,161 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 16:05:15,672 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 16:05:16,051 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:05:16,420 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:05:16,776 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:05:17,156 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:05:17,552 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:05:18,103 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:05:18,756 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:05:19,299 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:05:20,204 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:05:20,980 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:05:21,943 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 16:05:22,529 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:05:23,511 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 16:05:23,860 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:24,208 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:05:24,588 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:05:24,963 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:05:25,334 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:05:25,979 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:05:26,349 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:05:26,984 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:05:27,376 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:05:27,758 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:05:28,136 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:05:28,781 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:05:29,158 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:05:29,793 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:05:30,568 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 16:05:30,945 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 16:05:31,326 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 16:05:32,025 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 238 [2020-09-04 16:05:32,850 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 16:05:33,686 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 240 [2020-09-04 16:05:34,074 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 16:05:34,488 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 16:05:34,865 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 16:05:35,247 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:05:35,640 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:05:36,026 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 16:05:36,410 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:05:36,802 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:05:37,934 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-09-04 16:05:38,328 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 16:05:38,729 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:05:39,523 WARN L193 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:05:40,296 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 244 [2020-09-04 16:05:41,132 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 16:05:41,537 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:05:41,969 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:05:42,365 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:05:42,765 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:05:43,177 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 16:05:43,582 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:05:43,986 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:05:44,397 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 16:05:45,553 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 16:05:46,697 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-09-04 16:05:47,516 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 16:05:47,911 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:05:48,889 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:05:50,051 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-09-04 16:05:51,021 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 16:05:52,247 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 233 DAG size of output: 222 [2020-09-04 16:05:53,069 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 16:05:53,464 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:05:53,845 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:05:54,220 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:05:54,590 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:05:55,233 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:05:55,602 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:05:56,236 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:05:57,011 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 16:05:57,387 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 16:05:57,767 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 16:05:58,467 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 238 [2020-09-04 16:05:59,292 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 16:06:00,126 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 240 [2020-09-04 16:06:00,514 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 16:06:00,926 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 16:06:01,303 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 16:06:01,685 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:06:02,078 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:06:02,465 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 16:06:02,848 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:06:03,240 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:06:03,794 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:06:04,446 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:06:04,987 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:06:05,894 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:06:06,669 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:06:07,632 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 16:06:08,218 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:06:09,199 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 16:06:09,549 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:09,898 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:10,282 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:06:10,652 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 16:06:11,022 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:06:11,396 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 16:06:11,796 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:06:12,207 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:06:12,582 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:06:12,954 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:06:14,231 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:06:15,191 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:06:16,154 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:06:16,530 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:06:17,719 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:06:18,287 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 16:06:18,858 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 16:06:19,440 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 16:06:20,434 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 230 [2020-09-04 16:06:21,003 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 16:06:22,037 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 232 [2020-09-04 16:06:22,558 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 16:06:22,937 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:06:23,842 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:06:24,616 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:06:24,984 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:06:25,524 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:06:25,872 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:26,530 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:06:27,501 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 16:06:28,086 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:06:29,063 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 16:06:29,612 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:06:29,963 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:30,345 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:06:31,302 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:06:32,264 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:06:32,639 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:06:33,049 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:06:34,013 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:06:34,983 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:06:35,358 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:06:35,741 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:06:36,385 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:06:36,744 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 16:06:37,107 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:06:37,817 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 16:06:38,452 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:06:39,091 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:06:39,460 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 16:06:39,856 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:06:40,217 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:06:40,582 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:06:40,958 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:06:41,327 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:06:41,693 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 16:06:42,067 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:06:42,479 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:06:42,878 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:06:43,229 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:06:46,190 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 16:06:49,142 WARN L193 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 16:06:53,313 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 16:06:53,664 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:06:54,219 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 16:06:54,770 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:06:55,248 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:06:55,618 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:06:56,000 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:06:56,904 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 16:06:57,445 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:06:58,219 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 16:06:58,573 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:06:59,233 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 16:06:59,776 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 16:07:00,748 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 16:07:01,334 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 16:07:02,316 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 16:07:02,689 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:07:03,041 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 16:07:03,438 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:07:03,821 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:07:04,201 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:07:04,571 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:07:04,971 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:07:05,351 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:07:06,071 WARN L193 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 16:07:06,456 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:07:07,224 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-09-04 16:07:07,947 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-09-04 16:07:08,709 WARN L193 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-09-04 16:07:09,093 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:07:09,511 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:07:09,900 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:07:10,284 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:07:10,686 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:07:11,078 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:07:11,464 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:07:13,024 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 16:07:13,525 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 16:07:14,984 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2020-09-04 16:07:16,444 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 244 DAG size of output: 244 [2020-09-04 16:07:16,938 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 16:07:18,471 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2020-09-04 16:07:18,872 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 16:07:19,255 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:07:19,623 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:20,034 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:07:20,432 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:07:20,798 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:21,180 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:07:21,567 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:07:21,945 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:07:22,427 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 16:07:22,778 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:07:23,186 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:07:23,597 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 16:07:24,026 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 16:07:24,470 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 16:07:24,878 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 16:07:25,291 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 16:07:25,699 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 16:07:26,117 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 16:07:26,534 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 16:07:26,942 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 16:07:27,331 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:07:27,710 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:07:28,103 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:07:28,482 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:07:28,881 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:07:29,276 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 16:07:29,689 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 16:07:30,117 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:07:30,510 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:07:30,907 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 16:07:31,309 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 16:07:31,711 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 16:07:32,115 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 16:07:32,515 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:07:32,894 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:07:33,263 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:07:33,647 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 16:07:34,028 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 16:07:34,427 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 16:07:34,841 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 16:07:35,219 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 16:07:35,601 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:07:35,994 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:07:36,382 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 16:07:36,767 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 16:07:37,159 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:07:37,560 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:07:37,950 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:07:38,357 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 16:07:38,754 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 16:07:39,167 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 16:07:39,596 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:07:39,989 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 16:07:40,387 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 16:07:40,788 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 16:07:41,190 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 16:07:41,594 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 16:07:41,994 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 16:07:42,366 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 199 [2020-09-04 16:07:43,395 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:07:44,224 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:07:45,247 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 16:07:46,067 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:07:46,431 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-04 16:07:47,262 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:07:48,080 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:07:49,118 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:07:49,487 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 200 [2020-09-04 16:07:50,313 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:07:50,677 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 16:07:51,505 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:07:52,336 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:07:53,363 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 16:07:54,182 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:07:55,017 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:07:56,053 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 16:07:56,871 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:07:57,569 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:07:58,387 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:07:59,091 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:08:00,124 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:08:00,944 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:08:01,970 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:08:02,996 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 249 DAG size of output: 237 [2020-09-04 16:08:03,824 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:08:04,899 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:08:05,718 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:08:06,442 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:08:07,265 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:08:08,297 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:08:09,123 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:08:09,953 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:08:10,779 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:08:11,801 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 249 DAG size of output: 237 [2020-09-04 16:08:12,633 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:08:13,452 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:08:14,278 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:08:15,355 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:08:16,083 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 16:08:16,714 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 16:08:17,101 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:08:17,480 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 16:08:17,858 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:08:18,506 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 16:08:18,882 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 16:08:19,458 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 16:08:20,020 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 16:08:20,523 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 16:08:21,084 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 16:08:22,094 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 247 DAG size of output: 228 [2020-09-04 16:08:22,652 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 16:08:23,155 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:08:24,154 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 16:08:24,667 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 16:08:25,176 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 16:08:25,602 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 16:08:26,004 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:08:26,708 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 210 [2020-09-04 16:08:27,116 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:08:27,871 WARN L193 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-09-04 16:08:28,659 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-09-04 16:08:29,463 WARN L193 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 212 [2020-09-04 16:08:29,871 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:08:30,312 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:08:30,722 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:08:31,128 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:08:31,552 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:08:31,964 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:08:32,372 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:08:32,749 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 16:08:33,116 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:08:33,541 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:33,932 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:08:34,753 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 16:08:35,896 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 16:08:36,290 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:08:37,430 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-09-04 16:08:38,411 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 16:08:39,569 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-09-04 16:08:40,538 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 16:08:41,766 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 233 DAG size of output: 222 [2020-09-04 16:08:42,169 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:08:42,992 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 16:08:43,347 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:08:43,698 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:08:44,130 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:08:44,521 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:08:48,657 WARN L193 SmtUtils]: Spent 4.13 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 16:08:49,304 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 16:08:50,771 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 230 DAG size of output: 220 [2020-09-04 16:08:51,151 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 16:08:51,901 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 16:08:53,281 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 231 DAG size of output: 217 [2020-09-04 16:08:53,673 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:08:54,672 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 16:08:55,051 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:08:55,447 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 16:08:55,838 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 16:08:56,220 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:08:57,736 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2020-09-04 16:08:58,128 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:08:58,516 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:08:58,928 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:08:59,320 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:08:59,736 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:09:01,183 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 245 DAG size of output: 244 [2020-09-04 16:09:02,753 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 245 DAG size of output: 244 [2020-09-04 16:09:03,146 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 16:09:03,538 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 16:09:03,927 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:09:04,325 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 16:09:04,701 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 16:09:05,096 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 16:09:05,486 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 16:09:05,876 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:09:06,264 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 16:09:07,015 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 16:09:07,423 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 16:09:08,431 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:09:09,505 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 16:09:10,132 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:09:10,752 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 16:09:11,368 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:09:12,157 WARN L193 SmtUtils]: Spent 788.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-09-04 16:09:12,773 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 16:09:13,549 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 204 [2020-09-04 16:09:13,941 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:09:14,316 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:09:14,689 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 16:09:15,065 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 16:09:15,435 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 199 [2020-09-04 16:09:16,465 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:09:17,292 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:18,315 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 16:09:19,137 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:09:19,502 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-04 16:09:20,327 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:21,147 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:09:22,187 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 16:09:22,556 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 200 [2020-09-04 16:09:23,382 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:23,747 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 16:09:24,575 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:25,403 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:26,430 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 16:09:27,249 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:09:28,083 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:29,118 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 16:09:29,938 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:09:30,634 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 16:09:31,455 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:09:32,161 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 16:09:33,194 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:09:34,015 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:09:35,050 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 16:09:36,079 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 249 DAG size of output: 237 [2020-09-04 16:09:36,907 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:37,984 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 16:09:38,805 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:09:39,533 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 16:09:40,355 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:09:41,389 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 16:09:42,214 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:43,044 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:43,871 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:44,898 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 249 DAG size of output: 237 [2020-09-04 16:09:45,723 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 16:09:46,542 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 16:09:47,368 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229