/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:21:39,327 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:21:39,330 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:21:39,357 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:21:39,358 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:21:39,359 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:21:39,360 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:21:39,363 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:21:39,364 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:21:39,366 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:21:39,367 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:21:39,368 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:21:39,368 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:21:39,369 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:21:39,371 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:21:39,372 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:21:39,373 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:21:39,374 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:21:39,376 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:21:39,378 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:21:39,380 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:21:39,381 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:21:39,383 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:21:39,384 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:21:39,387 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:21:39,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:21:39,388 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:21:39,389 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:21:39,389 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:21:39,390 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:21:39,391 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:21:39,391 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:21:39,392 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:21:39,393 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:21:39,395 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:21:39,395 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:21:39,396 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:21:39,396 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:21:39,396 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:21:39,397 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:21:39,398 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:21:39,399 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-09-04 21:21:39,420 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:21:39,420 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:21:39,422 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:21:39,422 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:21:39,422 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:21:39,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:21:39,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:21:39,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:21:39,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:21:39,424 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:21:39,424 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:21:39,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:21:39,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:21:39,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:21:39,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:21:39,426 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:21:39,426 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:21:39,426 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:21:39,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:21:39,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:21:39,427 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:21:39,427 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:21:39,427 INFO L138 SettingsManager]: * Use separate solver for trace checks=false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-09-04 21:21:39,857 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:21:39,880 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:21:39,885 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:21:39,887 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:21:39,887 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:21:39,888 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-04 21:21:39,980 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e793c0a5e/f805d4ae26d24821b506550880ad2f77/FLAG314387364 [2020-09-04 21:21:40,571 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:21:40,572 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product53.cil.c [2020-09-04 21:21:40,589 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e793c0a5e/f805d4ae26d24821b506550880ad2f77/FLAG314387364 [2020-09-04 21:21:40,868 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e793c0a5e/f805d4ae26d24821b506550880ad2f77 [2020-09-04 21:21:40,881 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:21:40,883 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:21:40,884 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:21:40,884 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:21:40,888 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:21:40,889 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:21:40" (1/1) ... [2020-09-04 21:21:40,893 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7105da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:40, skipping insertion in model container [2020-09-04 21:21:40,893 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:21:40" (1/1) ... [2020-09-04 21:21:40,902 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:21:40,957 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:21:41,325 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:21:41,347 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:21:41,524 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:21:41,563 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:21:41,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41 WrapperNode [2020-09-04 21:21:41,564 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:21:41,565 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:21:41,565 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:21:41,565 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:21:41,583 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41" (1/1) ... [2020-09-04 21:21:41,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41" (1/1) ... [2020-09-04 21:21:41,623 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41" (1/1) ... [2020-09-04 21:21:41,623 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41" (1/1) ... [2020-09-04 21:21:41,682 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41" (1/1) ... [2020-09-04 21:21:41,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41" (1/1) ... [2020-09-04 21:21:41,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41" (1/1) ... [2020-09-04 21:21:41,704 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:21:41,704 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:21:41,704 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:21:41,705 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:21:41,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:21:41,802 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:21:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:21:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:21:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:21:41,803 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:21:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:21:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:21:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:21:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:21:41,804 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:21:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:21:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:21:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-04 21:21:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:21:41,805 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:21:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:21:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:21:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:21:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:21:41,806 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:21:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 21:21:41,807 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:21:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:21:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:21:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:21:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:21:41,808 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:21:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:21:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:21:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:21:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:21:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:21:41,809 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:21:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:21:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:21:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:21:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:21:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:21:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:21:41,810 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:21:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:21:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:21:41,811 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 21:21:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:21:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:21:41,811 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:21:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:21:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:21:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:21:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:21:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:21:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:21:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:21:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:21:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:21:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:21:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:21:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:21:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:21:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:21:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:21:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:21:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:21:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:21:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:21:41,814 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:21:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:21:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 21:21:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:21:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:21:41,815 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:21:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:21:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:21:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:21:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:21:41,816 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:21:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:21:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:21:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:21:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 21:21:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-04 21:21:41,817 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:21:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:21:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:21:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:21:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:21:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:21:41,818 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:21:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:21:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:21:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:21:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:21:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:21:41,819 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:21:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:21:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:21:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:21:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:21:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:21:41,820 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:21:43,104 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:21:43,104 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:21:43,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:21:43 BoogieIcfgContainer [2020-09-04 21:21:43,112 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:21:43,113 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:21:43,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:21:43,117 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:21:43,118 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:21:40" (1/3) ... [2020-09-04 21:21:43,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2218c86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:21:43, skipping insertion in model container [2020-09-04 21:21:43,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:21:41" (2/3) ... [2020-09-04 21:21:43,119 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2218c86c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:21:43, skipping insertion in model container [2020-09-04 21:21:43,119 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:21:43" (3/3) ... [2020-09-04 21:21:43,121 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product53.cil.c [2020-09-04 21:21:43,133 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:21:43,145 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:21:43,167 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:21:43,196 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:21:43,197 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:21:43,197 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:21:43,197 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:21:43,197 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:21:43,197 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:21:43,197 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:21:43,198 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:21:43,232 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states. [2020-09-04 21:21:43,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:21:43,255 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:43,256 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] [2020-09-04 21:21:43,257 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:43,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:43,264 INFO L82 PathProgramCache]: Analyzing trace with hash -1827526995, now seen corresponding path program 1 times [2020-09-04 21:21:43,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:43,276 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1636898446] [2020-09-04 21:21:43,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,038 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:44,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:44,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:44,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:21:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:44,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:21:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:21:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:44,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:21:44,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1636898446] [2020-09-04 21:21:44,288 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:44,288 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:21:44,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1628558796] [2020-09-04 21:21:44,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:21:44,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:44,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:21:44,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:21:44,322 INFO L87 Difference]: Start difference. First operand 350 states. Second operand 4 states. [2020-09-04 21:21:45,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:21:45,769 INFO L93 Difference]: Finished difference Result 559 states and 654 transitions. [2020-09-04 21:21:45,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:21:45,771 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:21:45,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:21:45,792 INFO L225 Difference]: With dead ends: 559 [2020-09-04 21:21:45,792 INFO L226 Difference]: Without dead ends: 345 [2020-09-04 21:21:45,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:21:45,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-04 21:21:45,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 299. [2020-09-04 21:21:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-09-04 21:21:45,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 327 transitions. [2020-09-04 21:21:45,956 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 327 transitions. Word has length 160 [2020-09-04 21:21:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:21:45,957 INFO L479 AbstractCegarLoop]: Abstraction has 299 states and 327 transitions. [2020-09-04 21:21:45,957 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:21:45,957 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 327 transitions. [2020-09-04 21:21:45,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:21:45,963 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:45,963 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:21:45,963 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:21:45,964 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:45,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:45,964 INFO L82 PathProgramCache]: Analyzing trace with hash -241793029, now seen corresponding path program 1 times [2020-09-04 21:21:45,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:45,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19106157] [2020-09-04 21:21:45,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:46,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,432 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:46,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:46,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:46,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:21:46,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:46,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:21:46,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:21:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:46,553 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:21:46,554 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19106157] [2020-09-04 21:21:46,554 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:46,554 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:21:46,555 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935476000] [2020-09-04 21:21:46,559 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:21:46,559 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:46,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:21:46,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:21:46,560 INFO L87 Difference]: Start difference. First operand 299 states and 327 transitions. Second operand 5 states. [2020-09-04 21:21:47,268 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:21:48,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:21:48,556 INFO L93 Difference]: Finished difference Result 488 states and 550 transitions. [2020-09-04 21:21:48,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:21:48,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:21:48,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:21:48,562 INFO L225 Difference]: With dead ends: 488 [2020-09-04 21:21:48,562 INFO L226 Difference]: Without dead ends: 334 [2020-09-04 21:21:48,564 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:21:48,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-09-04 21:21:48,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 289. [2020-09-04 21:21:48,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-09-04 21:21:48,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 314 transitions. [2020-09-04 21:21:48,635 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 314 transitions. Word has length 161 [2020-09-04 21:21:48,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:21:48,636 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 314 transitions. [2020-09-04 21:21:48,636 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:21:48,636 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 314 transitions. [2020-09-04 21:21:48,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-04 21:21:48,639 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:48,639 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 21:21:48,639 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:21:48,640 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:48,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:48,640 INFO L82 PathProgramCache]: Analyzing trace with hash -562238385, now seen corresponding path program 1 times [2020-09-04 21:21:48,640 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:48,641 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [965784341] [2020-09-04 21:21:48,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,010 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:49,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:49,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:49,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:49,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:21:49,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:49,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:21:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 21:21:49,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:49,227 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:21:49,228 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [965784341] [2020-09-04 21:21:49,228 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:49,228 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:21:49,229 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1324481517] [2020-09-04 21:21:49,229 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:21:49,230 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:49,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:21:49,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:21:49,230 INFO L87 Difference]: Start difference. First operand 289 states and 314 transitions. Second operand 10 states. [2020-09-04 21:21:49,737 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:21:50,119 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:21:50,404 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:21:50,744 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:21:51,047 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:21:51,361 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:21:53,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:21:53,197 INFO L93 Difference]: Finished difference Result 508 states and 576 transitions. [2020-09-04 21:21:53,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 21:21:53,198 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-09-04 21:21:53,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:21:53,202 INFO L225 Difference]: With dead ends: 508 [2020-09-04 21:21:53,202 INFO L226 Difference]: Without dead ends: 334 [2020-09-04 21:21:53,203 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:21:53,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-09-04 21:21:53,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 289. [2020-09-04 21:21:53,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 289 states. [2020-09-04 21:21:53,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 313 transitions. [2020-09-04 21:21:53,283 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 313 transitions. Word has length 170 [2020-09-04 21:21:53,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:21:53,284 INFO L479 AbstractCegarLoop]: Abstraction has 289 states and 313 transitions. [2020-09-04 21:21:53,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:21:53,284 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 313 transitions. [2020-09-04 21:21:53,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-04 21:21:53,287 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:53,287 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 21:21:53,288 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:21:53,288 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:53,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:53,288 INFO L82 PathProgramCache]: Analyzing trace with hash 550562744, now seen corresponding path program 1 times [2020-09-04 21:21:53,289 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:53,289 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576428305] [2020-09-04 21:21:53,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:53,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,673 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:53,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:53,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:53,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:21:53,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:53,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:21:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:21:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:21:53,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:21:53,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-04 21:21:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-04 21:21:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:53,852 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:21:53,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576428305] [2020-09-04 21:21:53,853 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:53,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 21:21:53,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946993375] [2020-09-04 21:21:53,854 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 21:21:53,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:53,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 21:21:53,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:21:53,855 INFO L87 Difference]: Start difference. First operand 289 states and 313 transitions. Second operand 7 states. [2020-09-04 21:21:54,544 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:21:56,559 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:21:57,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:21:57,450 INFO L93 Difference]: Finished difference Result 654 states and 752 transitions. [2020-09-04 21:21:57,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:21:57,450 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-09-04 21:21:57,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:21:57,456 INFO L225 Difference]: With dead ends: 654 [2020-09-04 21:21:57,456 INFO L226 Difference]: Without dead ends: 480 [2020-09-04 21:21:57,457 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 21:21:57,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 480 states. [2020-09-04 21:21:57,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 480 to 412. [2020-09-04 21:21:57,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 412 states. [2020-09-04 21:21:57,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 446 transitions. [2020-09-04 21:21:57,646 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 446 transitions. Word has length 188 [2020-09-04 21:21:57,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:21:57,647 INFO L479 AbstractCegarLoop]: Abstraction has 412 states and 446 transitions. [2020-09-04 21:21:57,647 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 21:21:57,647 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 446 transitions. [2020-09-04 21:21:57,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 21:21:57,650 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:21:57,650 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 21:21:57,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:21:57,650 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:21:57,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:21:57,651 INFO L82 PathProgramCache]: Analyzing trace with hash -2110557582, now seen corresponding path program 1 times [2020-09-04 21:21:57,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:21:57,652 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [37761931] [2020-09-04 21:21:57,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:21:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,092 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:21:58,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:21:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:21:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:21:58,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:21:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:21:58,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:21:58,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:21:58,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:21:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:21:58,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:21:58,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:21:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:21:58,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:21:58,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 21:21:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 21:21:58,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:21:58,384 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-09-04 21:21:58,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [37761931] [2020-09-04 21:21:58,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:21:58,386 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:21:58,386 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [94330188] [2020-09-04 21:21:58,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:21:58,387 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:21:58,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:21:58,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:21:58,388 INFO L87 Difference]: Start difference. First operand 412 states and 446 transitions. Second operand 10 states. [2020-09-04 21:21:59,067 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:21:59,881 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:00,173 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:01,205 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:01,549 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:01,950 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:02,409 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:02,646 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:02,927 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:03,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:03,855 INFO L93 Difference]: Finished difference Result 776 states and 876 transitions. [2020-09-04 21:22:03,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:22:03,855 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-04 21:22:03,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:03,860 INFO L225 Difference]: With dead ends: 776 [2020-09-04 21:22:03,860 INFO L226 Difference]: Without dead ends: 479 [2020-09-04 21:22:03,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:22:03,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2020-09-04 21:22:04,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 411. [2020-09-04 21:22:04,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-09-04 21:22:04,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 443 transitions. [2020-09-04 21:22:04,019 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 443 transitions. Word has length 212 [2020-09-04 21:22:04,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:04,019 INFO L479 AbstractCegarLoop]: Abstraction has 411 states and 443 transitions. [2020-09-04 21:22:04,019 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:22:04,020 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 443 transitions. [2020-09-04 21:22:04,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-04 21:22:04,022 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:04,023 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 21:22:04,023 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:22:04,023 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:04,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:04,024 INFO L82 PathProgramCache]: Analyzing trace with hash 1743387457, now seen corresponding path program 1 times [2020-09-04 21:22:04,024 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:04,024 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [496145077] [2020-09-04 21:22:04,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,345 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:04,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:04,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:04,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:04,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:22:04,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:22:04,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:04,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:04,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:04,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-04 21:22:04,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-04 21:22:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:04,591 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:22:04,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [496145077] [2020-09-04 21:22:04,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:04,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:22:04,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400910456] [2020-09-04 21:22:04,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:22:04,593 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:04,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:22:04,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:22:04,594 INFO L87 Difference]: Start difference. First operand 411 states and 443 transitions. Second operand 10 states. [2020-09-04 21:22:06,011 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:06,335 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:06,700 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:22:07,018 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:07,348 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:07,642 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:08,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:08,824 INFO L93 Difference]: Finished difference Result 777 states and 874 transitions. [2020-09-04 21:22:08,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 21:22:08,825 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-09-04 21:22:08,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:08,828 INFO L225 Difference]: With dead ends: 777 [2020-09-04 21:22:08,829 INFO L226 Difference]: Without dead ends: 481 [2020-09-04 21:22:08,830 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:22:08,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 481 states. [2020-09-04 21:22:09,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 481 to 419. [2020-09-04 21:22:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2020-09-04 21:22:09,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 451 transitions. [2020-09-04 21:22:09,022 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 451 transitions. Word has length 213 [2020-09-04 21:22:09,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:09,022 INFO L479 AbstractCegarLoop]: Abstraction has 419 states and 451 transitions. [2020-09-04 21:22:09,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:22:09,023 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 451 transitions. [2020-09-04 21:22:09,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-04 21:22:09,026 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:09,027 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 21:22:09,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:22:09,027 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:09,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:09,028 INFO L82 PathProgramCache]: Analyzing trace with hash 1681058721, now seen corresponding path program 1 times [2020-09-04 21:22:09,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:09,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868801937] [2020-09-04 21:22:09,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,408 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:09,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:09,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:09,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:09,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:09,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:09,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:22:09,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:09,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:22:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:09,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-04 21:22:09,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-04 21:22:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:09,641 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:22:09,646 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868801937] [2020-09-04 21:22:09,647 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:09,647 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 21:22:09,647 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976419306] [2020-09-04 21:22:09,648 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 21:22:09,648 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:09,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 21:22:09,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-09-04 21:22:09,649 INFO L87 Difference]: Start difference. First operand 419 states and 451 transitions. Second operand 13 states. [2020-09-04 21:22:10,261 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:10,578 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:10,895 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:11,209 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:11,512 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:12,617 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:12,928 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:13,251 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:13,584 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:13,891 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:15,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:15,469 INFO L93 Difference]: Finished difference Result 796 states and 902 transitions. [2020-09-04 21:22:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:22:15,469 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 213 [2020-09-04 21:22:15,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:15,473 INFO L225 Difference]: With dead ends: 796 [2020-09-04 21:22:15,473 INFO L226 Difference]: Without dead ends: 492 [2020-09-04 21:22:15,475 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 21:22:15,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 492 states. [2020-09-04 21:22:15,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 492 to 425. [2020-09-04 21:22:15,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 425 states. [2020-09-04 21:22:15,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 425 states and 457 transitions. [2020-09-04 21:22:15,629 INFO L78 Accepts]: Start accepts. Automaton has 425 states and 457 transitions. Word has length 213 [2020-09-04 21:22:15,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:15,629 INFO L479 AbstractCegarLoop]: Abstraction has 425 states and 457 transitions. [2020-09-04 21:22:15,629 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 21:22:15,630 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 457 transitions. [2020-09-04 21:22:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-09-04 21:22:15,632 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:15,633 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 21:22:15,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:22:15,633 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:15,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:15,633 INFO L82 PathProgramCache]: Analyzing trace with hash -474002658, now seen corresponding path program 1 times [2020-09-04 21:22:15,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:15,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [650030433] [2020-09-04 21:22:15,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:15,980 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:15,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:16,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:16,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:16,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:22:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:16,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:22:16,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:16,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-09-04 21:22:16,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-09-04 21:22:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:16,256 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:22:16,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [650030433] [2020-09-04 21:22:16,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:16,259 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 21:22:16,259 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975663368] [2020-09-04 21:22:16,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 21:22:16,260 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:16,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 21:22:16,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:22:16,261 INFO L87 Difference]: Start difference. First operand 425 states and 457 transitions. Second operand 7 states. [2020-09-04 21:22:16,757 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:17,409 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:20,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:20,014 INFO L93 Difference]: Finished difference Result 1057 states and 1221 transitions. [2020-09-04 21:22:20,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:22:20,014 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 213 [2020-09-04 21:22:20,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:20,020 INFO L225 Difference]: With dead ends: 1057 [2020-09-04 21:22:20,020 INFO L226 Difference]: Without dead ends: 747 [2020-09-04 21:22:20,022 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 21:22:20,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2020-09-04 21:22:20,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 678. [2020-09-04 21:22:20,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2020-09-04 21:22:20,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 749 transitions. [2020-09-04 21:22:20,218 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 749 transitions. Word has length 213 [2020-09-04 21:22:20,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:20,219 INFO L479 AbstractCegarLoop]: Abstraction has 678 states and 749 transitions. [2020-09-04 21:22:20,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 21:22:20,219 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 749 transitions. [2020-09-04 21:22:20,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-09-04 21:22:20,221 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:20,221 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 21:22:20,221 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:22:20,222 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:20,222 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:20,222 INFO L82 PathProgramCache]: Analyzing trace with hash -1328333390, now seen corresponding path program 1 times [2020-09-04 21:22:20,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:20,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [292021948] [2020-09-04 21:22:20,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:20,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,705 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:20,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:20,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:22:20,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 21:22:20,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 21:22:20,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:20,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:20,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:20,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-09-04 21:22:20,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:20,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-09-04 21:22:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-09-04 21:22:21,053 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [292021948] [2020-09-04 21:22:21,054 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:22:21,054 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:22:21,054 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1660114054] [2020-09-04 21:22:21,055 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:22:21,055 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:21,056 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:22:21,056 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:22:21,056 INFO L87 Difference]: Start difference. First operand 678 states and 749 transitions. Second operand 14 states. [2020-09-04 21:22:21,909 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:22:22,816 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:24,823 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:22:25,434 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:22:25,790 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:26,109 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:26,705 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:22:27,026 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:27,406 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:27,712 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:29,530 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:29,835 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:30,203 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:30,937 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:22:32,562 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:22:33,173 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:22:33,910 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:22:34,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:34,511 INFO L93 Difference]: Finished difference Result 1870 states and 2152 transitions. [2020-09-04 21:22:34,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-04 21:22:34,512 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-09-04 21:22:34,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:34,520 INFO L225 Difference]: With dead ends: 1870 [2020-09-04 21:22:34,520 INFO L226 Difference]: Without dead ends: 1415 [2020-09-04 21:22:34,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 604 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 21:22:34,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1415 states. [2020-09-04 21:22:34,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1415 to 1235. [2020-09-04 21:22:34,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2020-09-04 21:22:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1353 transitions. [2020-09-04 21:22:34,888 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1353 transitions. Word has length 218 [2020-09-04 21:22:34,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:34,889 INFO L479 AbstractCegarLoop]: Abstraction has 1235 states and 1353 transitions. [2020-09-04 21:22:34,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:22:34,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1353 transitions. [2020-09-04 21:22:34,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2020-09-04 21:22:34,892 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:34,893 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 21:22:34,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:22:34,893 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:34,894 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:34,894 INFO L82 PathProgramCache]: Analyzing trace with hash 1512699438, now seen corresponding path program 1 times [2020-09-04 21:22:34,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:34,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [926309025] [2020-09-04 21:22:34,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:34,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,310 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:35,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:35,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:35,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:35,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:22:35,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:22:35,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:22:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:35,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:35,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:22:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:35,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-09-04 21:22:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:35,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-09-04 21:22:35,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-09-04 21:22:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:35,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:35,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:22:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:22:35,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:35,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-09-04 21:22:35,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 21:22:35,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:35,844 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2020-09-04 21:22:35,844 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [926309025] [2020-09-04 21:22:35,845 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:22:35,845 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:22:35,845 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980853646] [2020-09-04 21:22:35,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:22:35,847 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:35,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:22:35,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:22:35,848 INFO L87 Difference]: Start difference. First operand 1235 states and 1353 transitions. Second operand 18 states. [2020-09-04 21:22:36,721 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:22:37,049 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:37,364 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:37,686 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:38,000 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:39,038 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:22:39,427 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:22:39,769 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:40,335 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:22:40,742 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:22:41,862 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:22:42,488 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:22:42,928 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:22:44,372 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:22:45,037 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:22:45,387 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:22:46,008 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:22:46,472 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:47,271 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:47,949 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:22:48,370 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:22:49,380 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:22:50,106 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:22:50,820 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:22:51,764 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:22:52,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:22:52,889 INFO L93 Difference]: Finished difference Result 2599 states and 2908 transitions. [2020-09-04 21:22:52,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-09-04 21:22:52,890 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 328 [2020-09-04 21:22:52,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:22:52,899 INFO L225 Difference]: With dead ends: 2599 [2020-09-04 21:22:52,899 INFO L226 Difference]: Without dead ends: 1582 [2020-09-04 21:22:52,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1216 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=815, Invalid=3877, Unknown=0, NotChecked=0, Total=4692 [2020-09-04 21:22:52,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1582 states. [2020-09-04 21:22:53,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1582 to 1446. [2020-09-04 21:22:53,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1446 states. [2020-09-04 21:22:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1446 states and 1592 transitions. [2020-09-04 21:22:53,620 INFO L78 Accepts]: Start accepts. Automaton has 1446 states and 1592 transitions. Word has length 328 [2020-09-04 21:22:53,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:22:53,621 INFO L479 AbstractCegarLoop]: Abstraction has 1446 states and 1592 transitions. [2020-09-04 21:22:53,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:22:53,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1592 transitions. [2020-09-04 21:22:53,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2020-09-04 21:22:53,633 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:22:53,634 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 21:22:53,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:22:53,635 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:22:53,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:22:53,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1606358541, now seen corresponding path program 1 times [2020-09-04 21:22:53,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:22:53,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [667845782] [2020-09-04 21:22:53,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:22:53,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,046 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:22:54,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:54,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:22:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:22:54,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:22:54,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:22:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:22:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:22:54,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:22:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:54,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:54,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:22:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:54,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:54,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:22:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 21:22:54,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:54,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:22:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:22:54,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:22:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:22:54,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:22:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-09-04 21:22:54,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:54,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:22:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:22:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:22:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:22:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:22:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-09-04 21:22:54,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-09-04 21:22:54,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:22:54,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 21:22:54,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:22:54,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:22:54,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:22:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-09-04 21:22:54,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-09-04 21:22:54,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:22:54,803 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 120 proven. 38 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2020-09-04 21:22:54,803 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [667845782] [2020-09-04 21:22:54,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:22:54,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:22:54,804 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [532218490] [2020-09-04 21:22:54,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:22:54,805 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:22:54,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:22:54,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:22:54,805 INFO L87 Difference]: Start difference. First operand 1446 states and 1592 transitions. Second operand 16 states. [2020-09-04 21:22:57,030 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:22:57,352 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:22:57,672 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:57,998 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:22:58,305 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:22:58,634 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:00,619 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:00,997 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:02,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:02,355 INFO L93 Difference]: Finished difference Result 3578 states and 4064 transitions. [2020-09-04 21:23:02,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 21:23:02,355 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 499 [2020-09-04 21:23:02,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:02,367 INFO L225 Difference]: With dead ends: 3578 [2020-09-04 21:23:02,367 INFO L226 Difference]: Without dead ends: 2120 [2020-09-04 21:23:02,372 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 21:23:02,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2020-09-04 21:23:03,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 1823. [2020-09-04 21:23:03,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1823 states. [2020-09-04 21:23:03,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1823 states to 1823 states and 2041 transitions. [2020-09-04 21:23:03,055 INFO L78 Accepts]: Start accepts. Automaton has 1823 states and 2041 transitions. Word has length 499 [2020-09-04 21:23:03,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:03,056 INFO L479 AbstractCegarLoop]: Abstraction has 1823 states and 2041 transitions. [2020-09-04 21:23:03,056 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:23:03,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1823 states and 2041 transitions. [2020-09-04 21:23:03,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 510 [2020-09-04 21:23:03,065 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:03,065 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 21:23:03,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:23:03,066 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:03,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:03,066 INFO L82 PathProgramCache]: Analyzing trace with hash -892852378, now seen corresponding path program 1 times [2020-09-04 21:23:03,067 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:03,067 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1275060633] [2020-09-04 21:23:03,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:03,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,448 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:03,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:03,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:03,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:03,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:03,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:03,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:23:03,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 21:23:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:03,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:03,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:03,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:23:03,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:03,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-09-04 21:23:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:03,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:03,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:23:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 413 [2020-09-04 21:23:03,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:23:03,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 21:23:03,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:03,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:03,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 486 [2020-09-04 21:23:03,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:03,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-09-04 21:23:03,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:04,141 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 129 proven. 45 refuted. 0 times theorem prover too weak. 251 trivial. 0 not checked. [2020-09-04 21:23:04,141 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1275060633] [2020-09-04 21:23:04,141 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:04,141 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:23:04,142 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129070425] [2020-09-04 21:23:04,142 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:23:04,143 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:04,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:23:04,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:23:04,143 INFO L87 Difference]: Start difference. First operand 1823 states and 2041 transitions. Second operand 18 states. [2020-09-04 21:23:04,753 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:05,191 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:05,529 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:05,862 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:06,191 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:23:06,506 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:07,562 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:07,916 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:09,162 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:09,735 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:10,122 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:10,482 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:11,266 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:11,609 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:13,149 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:13,477 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:13,796 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:23:15,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:15,447 INFO L93 Difference]: Finished difference Result 3409 states and 3858 transitions. [2020-09-04 21:23:15,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-09-04 21:23:15,448 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 509 [2020-09-04 21:23:15,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:15,462 INFO L225 Difference]: With dead ends: 3409 [2020-09-04 21:23:15,462 INFO L226 Difference]: Without dead ends: 1836 [2020-09-04 21:23:15,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 454 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=414, Invalid=1748, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 21:23:15,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1836 states. [2020-09-04 21:23:16,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1836 to 1759. [2020-09-04 21:23:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1759 states. [2020-09-04 21:23:16,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 1950 transitions. [2020-09-04 21:23:16,991 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 1950 transitions. Word has length 509 [2020-09-04 21:23:16,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:16,992 INFO L479 AbstractCegarLoop]: Abstraction has 1759 states and 1950 transitions. [2020-09-04 21:23:16,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:23:16,992 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 1950 transitions. [2020-09-04 21:23:17,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2020-09-04 21:23:17,005 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:17,008 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 21:23:17,009 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:23:17,009 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:17,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:17,010 INFO L82 PathProgramCache]: Analyzing trace with hash 2027593558, now seen corresponding path program 1 times [2020-09-04 21:23:17,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:17,016 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [800659328] [2020-09-04 21:23:17,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:17,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,408 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:17,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:17,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:17,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:17,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:17,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:17,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:17,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:17,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:17,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:17,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:17,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:23:17,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 21:23:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:17,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:17,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:17,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:17,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:17,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:17,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:23:17,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:17,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-09-04 21:23:17,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:17,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:17,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:17,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:17,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:17,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:17,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:23:17,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-09-04 21:23:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-09-04 21:23:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-09-04 21:23:17,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:17,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:17,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:17,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 487 [2020-09-04 21:23:17,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:17,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-09-04 21:23:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:18,103 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 111 proven. 2 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2020-09-04 21:23:18,104 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [800659328] [2020-09-04 21:23:18,104 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:18,104 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:23:18,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994185695] [2020-09-04 21:23:18,106 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:23:18,106 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:18,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:23:18,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:23:18,107 INFO L87 Difference]: Start difference. First operand 1759 states and 1950 transitions. Second operand 16 states. [2020-09-04 21:23:18,682 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:19,996 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:23,552 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:23,899 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:24,266 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:24,629 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:25,043 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:25,362 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:25,705 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:26,041 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:26,400 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:26,732 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:27,090 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:27,737 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:23:28,068 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:28,678 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:23:29,025 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:23:29,399 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:29,778 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:23:30,131 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:23:32,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:32,800 INFO L93 Difference]: Finished difference Result 5046 states and 5692 transitions. [2020-09-04 21:23:32,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-09-04 21:23:32,801 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 510 [2020-09-04 21:23:32,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:32,820 INFO L225 Difference]: With dead ends: 5046 [2020-09-04 21:23:32,821 INFO L226 Difference]: Without dead ends: 3415 [2020-09-04 21:23:32,828 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 21:23:32,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3415 states. [2020-09-04 21:23:34,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3415 to 3344. [2020-09-04 21:23:34,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3344 states. [2020-09-04 21:23:34,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3344 states to 3344 states and 3681 transitions. [2020-09-04 21:23:34,366 INFO L78 Accepts]: Start accepts. Automaton has 3344 states and 3681 transitions. Word has length 510 [2020-09-04 21:23:34,367 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:34,367 INFO L479 AbstractCegarLoop]: Abstraction has 3344 states and 3681 transitions. [2020-09-04 21:23:34,367 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:23:34,368 INFO L276 IsEmpty]: Start isEmpty. Operand 3344 states and 3681 transitions. [2020-09-04 21:23:34,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2020-09-04 21:23:34,378 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:34,379 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 21:23:34,379 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:23:34,379 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:34,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:34,380 INFO L82 PathProgramCache]: Analyzing trace with hash -1580369071, now seen corresponding path program 1 times [2020-09-04 21:23:34,380 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:34,380 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1599036805] [2020-09-04 21:23:34,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,745 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:34,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:34,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:34,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:34,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:23:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:34,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:34,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 21:23:34,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:35,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:35,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:35,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:35,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:23:35,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:35,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:35,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 21:23:35,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 21:23:35,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:35,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:35,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:35,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:35,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:35,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:35,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:23:35,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:35,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-09-04 21:23:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:35,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 21:23:35,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:35,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:35,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:35,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:35,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-09-04 21:23:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 21:23:35,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:35,542 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 138 proven. 36 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2020-09-04 21:23:35,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1599036805] [2020-09-04 21:23:35,542 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:35,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:23:35,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1620716307] [2020-09-04 21:23:35,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:23:35,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:35,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:23:35,545 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:23:35,545 INFO L87 Difference]: Start difference. First operand 3344 states and 3681 transitions. Second operand 18 states. [2020-09-04 21:23:36,181 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:38,465 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:38,808 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:39,430 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:23:39,750 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:23:40,356 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:23:40,779 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:23:41,366 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:23:41,703 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:42,040 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:42,350 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:42,652 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:44,980 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:45,325 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:48,729 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:23:48,729 INFO L93 Difference]: Finished difference Result 7177 states and 8242 transitions. [2020-09-04 21:23:48,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-04 21:23:48,735 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 511 [2020-09-04 21:23:48,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:23:48,761 INFO L225 Difference]: With dead ends: 7177 [2020-09-04 21:23:48,762 INFO L226 Difference]: Without dead ends: 5150 [2020-09-04 21:23:48,770 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 21:23:48,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5150 states. [2020-09-04 21:23:50,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5150 to 4186. [2020-09-04 21:23:50,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4186 states. [2020-09-04 21:23:50,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4186 states to 4186 states and 4585 transitions. [2020-09-04 21:23:50,439 INFO L78 Accepts]: Start accepts. Automaton has 4186 states and 4585 transitions. Word has length 511 [2020-09-04 21:23:50,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:23:50,440 INFO L479 AbstractCegarLoop]: Abstraction has 4186 states and 4585 transitions. [2020-09-04 21:23:50,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:23:50,440 INFO L276 IsEmpty]: Start isEmpty. Operand 4186 states and 4585 transitions. [2020-09-04 21:23:50,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-09-04 21:23:50,450 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:23:50,450 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 21:23:50,451 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:23:50,451 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:23:50,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:23:50,451 INFO L82 PathProgramCache]: Analyzing trace with hash -146192794, now seen corresponding path program 1 times [2020-09-04 21:23:50,451 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:23:50,452 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1432435484] [2020-09-04 21:23:50,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:23:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,881 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:23:50,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:23:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:23:50,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:23:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:23:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:23:50,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:23:50,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:23:50,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:23:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:50,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:50,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:51,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:23:51,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 21:23:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:51,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:51,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:51,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:51,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:51,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:23:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:23:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:51,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 21:23:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 21:23:51,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:51,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:51,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:23:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:23:51,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:23:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:23:51,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:23:51,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:23:51,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-09-04 21:23:51,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-09-04 21:23:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:23:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-09-04 21:23:51,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:23:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:23:51,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:23:51,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-09-04 21:23:51,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-09-04 21:23:51,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:23:51,660 INFO L134 CoverageAnalysis]: Checked inductivity of 467 backedges. 133 proven. 64 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2020-09-04 21:23:51,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1432435484] [2020-09-04 21:23:51,660 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:23:51,660 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:23:51,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713057625] [2020-09-04 21:23:51,661 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:23:51,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:23:51,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:23:51,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:23:51,662 INFO L87 Difference]: Start difference. First operand 4186 states and 4585 transitions. Second operand 18 states. [2020-09-04 21:23:52,305 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:54,001 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:23:55,121 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:55,476 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:56,117 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:23:56,452 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:23:57,179 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:23:57,515 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:23:58,120 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:23:58,758 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:23:59,423 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:24:00,038 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:24:00,342 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:02,940 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:03,292 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:04,465 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:06,150 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:06,533 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:07,187 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:24:07,521 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:08,181 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:24:08,513 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:24:09,122 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:24:09,494 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:24:09,913 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:24:10,276 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:24:15,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:24:15,511 INFO L93 Difference]: Finished difference Result 9597 states and 11081 transitions. [2020-09-04 21:24:15,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-09-04 21:24:15,512 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 526 [2020-09-04 21:24:15,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:24:15,549 INFO L225 Difference]: With dead ends: 9597 [2020-09-04 21:24:15,550 INFO L226 Difference]: Without dead ends: 7095 [2020-09-04 21:24:15,561 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 252 GetRequests, 155 SyntacticMatches, 7 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2744 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1444, Invalid=6928, Unknown=0, NotChecked=0, Total=8372 [2020-09-04 21:24:15,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7095 states. [2020-09-04 21:24:17,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7095 to 5314. [2020-09-04 21:24:17,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5314 states. [2020-09-04 21:24:17,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 5314 states and 5801 transitions. [2020-09-04 21:24:17,531 INFO L78 Accepts]: Start accepts. Automaton has 5314 states and 5801 transitions. Word has length 526 [2020-09-04 21:24:17,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:24:17,531 INFO L479 AbstractCegarLoop]: Abstraction has 5314 states and 5801 transitions. [2020-09-04 21:24:17,531 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:24:17,531 INFO L276 IsEmpty]: Start isEmpty. Operand 5314 states and 5801 transitions. [2020-09-04 21:24:17,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 630 [2020-09-04 21:24:17,549 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:24:17,549 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 21:24:17,549 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:24:17,550 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:24:17,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:24:17,550 INFO L82 PathProgramCache]: Analyzing trace with hash 774744846, now seen corresponding path program 1 times [2020-09-04 21:24:17,550 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:24:17,550 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [218295145] [2020-09-04 21:24:17,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:24:17,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:17,994 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:24:17,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:24:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:24:18,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:24:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:24:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:24:18,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:24:18,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:24:18,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:24:18,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:24:18,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 21:24:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:18,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:18,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:18,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:18,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:18,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:24:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-09-04 21:24:18,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 21:24:18,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:18,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:18,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:24:18,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-09-04 21:24:18,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-09-04 21:24:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:24:18,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 21:24:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:18,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-09-04 21:24:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-09-04 21:24:18,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-09-04 21:24:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:18,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 606 [2020-09-04 21:24:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 616 [2020-09-04 21:24:18,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:18,815 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 174 proven. 87 refuted. 0 times theorem prover too weak. 558 trivial. 0 not checked. [2020-09-04 21:24:18,815 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [218295145] [2020-09-04 21:24:18,815 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:24:18,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:24:18,816 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373717342] [2020-09-04 21:24:18,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:24:18,817 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:24:18,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:24:18,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:24:18,817 INFO L87 Difference]: Start difference. First operand 5314 states and 5801 transitions. Second operand 17 states. [2020-09-04 21:24:19,905 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:20,922 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:24:23,915 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:24:24,252 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:24:24,625 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:24,994 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:24:25,423 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:25,995 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:24:29,681 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 21:24:30,013 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:24:30,644 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:24:31,037 WARN L193 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:24:31,588 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:31,948 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:24:32,274 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:36,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:24:36,083 INFO L93 Difference]: Finished difference Result 15053 states and 17217 transitions. [2020-09-04 21:24:36,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-04 21:24:36,083 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 629 [2020-09-04 21:24:36,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:24:36,125 INFO L225 Difference]: With dead ends: 15053 [2020-09-04 21:24:36,126 INFO L226 Difference]: Without dead ends: 9579 [2020-09-04 21:24:36,142 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 159 SyntacticMatches, 10 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1184 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=986, Invalid=3436, Unknown=0, NotChecked=0, Total=4422 [2020-09-04 21:24:36,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9579 states. [2020-09-04 21:24:39,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9579 to 7013. [2020-09-04 21:24:39,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7013 states. [2020-09-04 21:24:39,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7013 states to 7013 states and 7622 transitions. [2020-09-04 21:24:39,385 INFO L78 Accepts]: Start accepts. Automaton has 7013 states and 7622 transitions. Word has length 629 [2020-09-04 21:24:39,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:24:39,385 INFO L479 AbstractCegarLoop]: Abstraction has 7013 states and 7622 transitions. [2020-09-04 21:24:39,386 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:24:39,386 INFO L276 IsEmpty]: Start isEmpty. Operand 7013 states and 7622 transitions. [2020-09-04 21:24:39,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2020-09-04 21:24:39,406 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:24:39,407 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2020-09-04 21:24:39,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:24:39,407 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:24:39,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:24:39,408 INFO L82 PathProgramCache]: Analyzing trace with hash 1389543518, now seen corresponding path program 1 times [2020-09-04 21:24:39,408 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:24:39,408 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089070603] [2020-09-04 21:24:39,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:24:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,866 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:24:39,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:39,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:24:39,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:24:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:24:39,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:24:39,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:24:39,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:24:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:24:39,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:39,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:39,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:24:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:40,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-09-04 21:24:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-09-04 21:24:40,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:40,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:40,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:40,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:40,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:40,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:24:40,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-09-04 21:24:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 349 [2020-09-04 21:24:40,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:40,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:40,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:40,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:40,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:24:40,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:24:40,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-09-04 21:24:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-09-04 21:24:40,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:40,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:24:40,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:24:40,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:24:40,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:24:40,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:24:40,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:24:40,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2020-09-04 21:24:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2020-09-04 21:24:40,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:24:40,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-09-04 21:24:40,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:24:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:24:40,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:24:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 618 [2020-09-04 21:24:40,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 628 [2020-09-04 21:24:40,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:24:40,513 INFO L134 CoverageAnalysis]: Checked inductivity of 790 backedges. 163 proven. 18 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2020-09-04 21:24:40,513 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089070603] [2020-09-04 21:24:40,514 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:24:40,514 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:24:40,514 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189865775] [2020-09-04 21:24:40,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:24:40,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:24:40,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:24:40,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:24:40,515 INFO L87 Difference]: Start difference. First operand 7013 states and 7622 transitions. Second operand 17 states. [2020-09-04 21:24:41,259 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:24:41,585 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:41,907 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:42,229 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:42,533 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:45,851 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:46,166 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:46,489 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:24:46,812 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:47,134 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:24:47,439 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:24:48,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:24:48,037 INFO L93 Difference]: Finished difference Result 8015 states and 8749 transitions. [2020-09-04 21:24:48,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-09-04 21:24:48,038 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 641 [2020-09-04 21:24:48,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:24:48,040 INFO L225 Difference]: With dead ends: 8015 [2020-09-04 21:24:48,040 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:24:48,057 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=311, Invalid=1021, Unknown=0, NotChecked=0, Total=1332 [2020-09-04 21:24:48,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:24:48,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:24:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:24:48,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:24:48,059 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 641 [2020-09-04 21:24:48,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:24:48,059 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:24:48,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:24:48,060 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:24:48,060 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:24:48,060 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:24:48,063 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:24:49,126 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:24:50,118 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:24:51,073 WARN L193 SmtUtils]: Spent 946.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:24:52,021 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:24:52,985 WARN L193 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:24:53,937 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:24:54,882 WARN L193 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:24:55,428 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:24:55,784 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:24:56,690 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:24:57,482 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:24:58,152 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:24:59,149 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:24:59,739 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:25:00,729 WARN L193 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:25:01,089 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:01,458 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:02,007 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:25:02,374 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:02,732 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:04,106 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:25:04,502 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:04,862 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:05,809 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 237 [2020-09-04 21:25:06,161 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:06,533 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:06,896 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:07,721 WARN L193 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:25:08,323 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:25:09,689 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:25:10,185 WARN L193 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 203 [2020-09-04 21:25:10,742 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:25:11,395 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:25:11,937 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:25:12,854 WARN L193 SmtUtils]: Spent 908.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:25:13,817 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:25:14,594 WARN L193 SmtUtils]: Spent 775.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:25:15,371 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:25:15,727 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:16,703 WARN L193 SmtUtils]: Spent 974.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:25:17,054 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:17,420 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:17,806 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:18,175 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:18,586 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:25:18,984 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:25:19,407 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:25:19,843 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:25:20,238 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:25:20,639 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:25:21,043 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:25:21,446 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:25:21,849 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:25:22,249 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:25:22,883 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:25:23,554 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:25:23,939 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:25:24,336 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:25:24,717 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:25,696 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2020-09-04 21:25:26,672 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 237 [2020-09-04 21:25:27,046 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:27,415 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:27,792 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:28,153 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:28,797 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:25:29,159 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:29,869 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:25:30,509 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:25:31,147 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:25:31,510 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:31,911 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:32,278 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:32,642 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:33,022 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:33,390 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:33,774 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:25:34,148 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:25:34,793 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:25:35,162 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:25:35,532 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:25:36,173 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:25:36,528 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:25:37,832 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:25:38,429 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:25:38,780 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:25:40,146 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:25:40,510 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:41,178 WARN L193 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 21:25:41,531 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:41,880 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:42,256 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:42,620 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:43,955 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:25:44,321 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:44,679 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:45,066 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:45,430 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:45,819 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:47,158 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:25:48,529 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:25:48,906 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:49,270 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:25:49,629 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:49,997 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:25:50,345 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:25:50,713 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:25:51,073 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:25:51,447 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:51,810 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:25:52,405 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:25:52,787 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:25:54,169 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:25:54,840 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:25:55,225 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:55,598 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:55,975 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:25:56,350 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:25:56,956 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:25:57,521 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:25:58,823 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 229 DAG size of output: 213 [2020-09-04 21:25:59,383 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:25:59,942 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:26:01,145 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 230 DAG size of output: 203 [2020-09-04 21:26:01,812 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:26:02,441 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:26:06,789 WARN L193 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 21:26:07,175 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:26:08,084 WARN L193 SmtUtils]: Spent 904.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:26:08,625 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:26:09,402 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:26:09,754 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:10,413 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:26:10,955 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:26:11,926 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:26:12,512 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:26:12,892 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:26:13,871 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:26:14,221 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:18,423 WARN L193 SmtUtils]: Spent 4.20 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 21:26:18,864 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:26:20,121 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:26:20,945 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 246 [2020-09-04 21:26:21,355 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:26:23,042 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 237 DAG size of output: 222 [2020-09-04 21:26:23,467 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:26:24,626 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:26:25,037 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:26:25,443 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:26:25,881 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:26:26,305 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:26:27,797 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 247 DAG size of output: 246 [2020-09-04 21:26:28,222 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:26:28,640 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:26:29,084 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:26:29,507 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:26:29,957 WARN L193 SmtUtils]: Spent 426.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:26:31,454 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 248 DAG size of output: 247 [2020-09-04 21:26:32,558 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:26:32,965 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:26:33,388 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:26:33,810 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:26:34,238 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:26:34,645 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:26:35,071 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:26:35,491 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:26:35,896 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:26:36,317 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:26:37,136 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 247 [2020-09-04 21:26:37,577 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:26:38,758 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 247 DAG size of output: 240 [2020-09-04 21:26:39,913 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:26:40,621 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:26:41,314 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:26:42,511 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 235 DAG size of output: 202 [2020-09-04 21:26:43,200 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:26:43,889 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:26:45,332 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 236 DAG size of output: 220 [2020-09-04 21:26:45,721 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:26:46,101 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:26:46,474 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:26:46,857 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:26:47,505 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:26:48,481 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:26:48,832 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:49,495 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:26:50,397 WARN L193 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:26:51,171 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:26:51,711 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:26:52,678 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:26:53,264 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:26:53,616 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:26:56,573 WARN L193 SmtUtils]: Spent 2.96 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 21:26:56,980 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:26:57,402 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:26:57,807 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:26:58,510 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 210 [2020-09-04 21:26:58,917 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:26:59,673 WARN L193 SmtUtils]: Spent 754.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-09-04 21:27:00,461 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-09-04 21:27:01,432 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 212 [2020-09-04 21:27:01,840 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:27:02,283 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:27:02,694 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:27:03,102 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:27:03,527 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:27:03,940 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:27:04,329 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:27:05,236 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:27:05,778 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:27:06,552 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:27:06,901 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:27:07,267 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:07,927 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:27:08,895 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:27:09,482 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:27:10,460 WARN L193 SmtUtils]: Spent 972.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:27:11,004 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:27:11,354 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:27:11,733 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:12,722 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:27:13,703 WARN L193 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 21:27:14,078 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:27:14,433 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:27:14,868 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:27:15,291 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:27:16,491 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:27:16,901 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:27:17,901 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 219 [2020-09-04 21:27:18,841 WARN L193 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 220 [2020-09-04 21:27:20,000 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:27:20,976 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:27:21,325 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:27:21,986 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:27:22,893 WARN L193 SmtUtils]: Spent 905.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:27:23,668 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:27:24,209 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:27:25,183 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:27:25,769 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:27:26,118 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:27:27,723 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:28,106 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:27:28,481 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:29,490 WARN L193 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 21:27:30,479 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 21:27:30,853 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:27:36,053 WARN L193 SmtUtils]: Spent 5.20 s on a formula simplification. DAG size of input: 488 DAG size of output: 385 [2020-09-04 21:27:36,702 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:27:37,061 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:27:37,425 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:27:38,136 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:27:38,772 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:27:39,410 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:27:39,788 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:27:40,188 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:27:40,549 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:27:40,915 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:27:41,289 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:41,660 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:27:42,028 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:27:42,402 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:27:42,754 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:27:43,222 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:27:43,633 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:27:44,029 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:27:44,445 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:27:44,811 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:45,190 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:27:45,561 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:45,950 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:27:46,314 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:27:46,715 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:27:47,142 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:27:47,560 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:27:47,988 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:27:49,658 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:27:50,073 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:27:51,813 WARN L193 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:27:52,649 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:27:53,225 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 21:27:53,795 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:27:54,376 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 21:27:55,372 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 230 [2020-09-04 21:27:55,943 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:27:56,470 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:27:57,498 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 232 [2020-09-04 21:27:58,136 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:27:58,523 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:27:58,900 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:27:59,277 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:27:59,927 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:28:00,303 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:28:00,658 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:28:01,016 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:28:01,396 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:01,804 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:28:02,184 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:28:03,181 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 21:28:04,170 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 21:28:04,543 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:04,923 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:28:05,311 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:05,677 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:06,040 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:06,406 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:28:07,053 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:28:07,418 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:28:08,057 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:28:08,329 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 31 [2020-09-04 21:28:08,713 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 197 [2020-09-04 21:28:09,194 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 196 [2020-09-04 21:28:09,680 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 196 [2020-09-04 21:28:10,159 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 196 [2020-09-04 21:28:10,407 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 21:28:10,887 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 196 [2020-09-04 21:28:11,266 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 197 [2020-09-04 21:28:11,742 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 197 [2020-09-04 21:28:11,988 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 21:28:12,234 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 21:28:12,410 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-09-04 21:28:12,887 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 197 [2020-09-04 21:28:13,133 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 21:28:13,514 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 198 [2020-09-04 21:28:13,761 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 30 [2020-09-04 21:28:14,017 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 31 [2020-09-04 21:28:14,391 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:28:14,780 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:15,144 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:15,509 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:15,883 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:28:16,532 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:28:16,896 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:28:17,534 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:28:17,890 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:28:20,819 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 21:28:21,171 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:28:24,095 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 21:28:24,745 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 21:28:25,091 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 32 [2020-09-04 21:28:25,453 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 31 [2020-09-04 21:28:25,798 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 32 [2020-09-04 21:28:26,162 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:28:26,540 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:26,902 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:27,266 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:28:27,634 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:28:32,818 WARN L193 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 488 DAG size of output: 385 [2020-09-04 21:28:33,181 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:33,557 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:28:33,917 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:28:34,561 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:28:34,924 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:28:35,635 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:28:36,270 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:28:36,910 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:28:37,274 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:28:37,671 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:28:38,035 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:28:38,397 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:38,776 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:28:39,144 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:28:39,695 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:28:40,347 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:28:40,890 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:28:41,801 WARN L193 SmtUtils]: Spent 906.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:28:42,765 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:28:43,350 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:28:44,123 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:28:44,476 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:28:45,449 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:28:45,798 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:28:46,234 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:28:46,643 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:28:47,066 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:28:47,450 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:28:48,813 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:28:50,172 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:28:50,536 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:51,897 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:28:52,563 WARN L193 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 21:28:52,914 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:28:53,268 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:28:54,573 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:28:54,935 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:28:55,283 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:28:55,954 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:28:56,318 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:28:56,681 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:57,282 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:28:57,878 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:28:58,235 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:28:58,594 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:28:59,977 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:29:01,359 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:29:01,714 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:29:02,083 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:29:03,448 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:29:03,813 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:29:05,157 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:29:06,460 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:29:07,306 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:29:07,657 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:29:08,259 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:29:09,559 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:29:10,861 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:29:12,198 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:29:13,497 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:29:13,849 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:29:15,184 WARN L193 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:29:15,607 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:29:15,990 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:29:16,398 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:29:16,793 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:29:17,201 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:29:17,571 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:29:17,956 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:29:18,323 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:29:23,355 WARN L193 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 488 DAG size of output: 385 [2020-09-04 21:29:23,721 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:29:24,103 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:29:25,060 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:29:26,023 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:29:26,399 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:29:27,091 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:29:27,729 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:29:28,097 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:29:28,590 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:29:29,086 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 21:29:29,644 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:29:30,206 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:29:30,706 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 238 [2020-09-04 21:29:31,193 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:29:31,756 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:29:32,770 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 247 DAG size of output: 228 [2020-09-04 21:29:33,329 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:29:34,338 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:29:34,705 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:29:35,052 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:29:35,829 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:29:36,425 WARN L193 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:29:36,776 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:29:37,742 WARN L193 SmtUtils]: Spent 963.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 236 [2020-09-04 21:29:38,711 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 236 [2020-09-04 21:29:39,068 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:29:39,566 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 202 [2020-09-04 21:29:40,867 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:29:41,241 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:29:41,602 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:29:42,506 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 21:29:43,408 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 230 [2020-09-04 21:29:43,768 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:29:44,127 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:29:45,424 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:29:45,916 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 202 [2020-09-04 21:29:46,274 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:29:47,576 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:29:47,933 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:29:48,297 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:29:49,595 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:29:50,901 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 221 DAG size of output: 209 [2020-09-04 21:29:55,028 WARN L193 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 21:29:56,229 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:29:56,594 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:29:56,975 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:02,483 WARN L193 SmtUtils]: Spent 5.50 s on a formula simplification. DAG size of input: 488 DAG size of output: 385 [2020-09-04 21:30:02,911 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:30:03,328 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:30:03,760 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:30:04,625 WARN L193 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 221 [2020-09-04 21:30:05,039 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:30:05,989 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 222 [2020-09-04 21:30:06,568 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:30:07,952 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 226 DAG size of output: 210 [2020-09-04 21:30:08,519 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:30:09,522 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:30:10,072 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:30:11,617 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-09-04 21:30:12,201 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:30:12,764 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 21:30:13,353 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:30:13,916 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:30:14,511 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:30:15,107 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:30:15,697 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:30:16,292 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:30:17,774 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 247 DAG size of output: 241 [2020-09-04 21:30:18,338 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:30:19,825 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-09-04 21:30:20,383 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:30:21,389 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:30:22,987 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-09-04 21:30:24,360 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 225 DAG size of output: 208 [2020-09-04 21:30:25,009 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:30:25,368 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:25,732 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:26,446 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:30:27,080 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:30:27,717 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:30:28,085 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:28,480 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:28,841 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:29,212 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:30:29,585 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:30:29,953 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:30,320 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:30:30,694 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:30:31,253 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:30:32,645 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 226 DAG size of output: 210 [2020-09-04 21:30:33,209 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:30:34,213 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:30:34,763 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:30:36,312 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-09-04 21:30:36,896 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:30:37,460 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 228 [2020-09-04 21:30:38,050 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:30:38,613 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:30:39,209 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:30:39,809 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:30:40,399 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:30:40,992 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:30:42,475 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 247 DAG size of output: 241 [2020-09-04 21:30:43,037 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:30:44,522 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-09-04 21:30:45,079 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:30:46,083 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:30:47,681 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-09-04 21:30:49,054 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 225 DAG size of output: 208 [2020-09-04 21:30:49,622 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:30:50,181 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:30:50,685 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:30:51,244 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:30:52,255 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 247 DAG size of output: 228 [2020-09-04 21:30:52,813 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:30:53,316 WARN L193 SmtUtils]: Spent 497.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:30:54,318 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:30:54,833 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 21:30:55,341 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:30:55,719 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:56,085 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:30:56,441 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:30:56,822 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:57,219 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:30:57,766 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:30:58,419 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:30:58,959 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:30:59,866 WARN L193 SmtUtils]: Spent 902.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:31:00,829 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:31:01,413 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:31:02,186 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:31:02,539 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:31:03,511 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:31:03,859 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:31:04,240 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:31:04,613 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:31:05,260 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:31:05,629 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:31:05,998 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:31:06,632 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:31:07,024 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:31:07,406 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:31:08,052 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:31:08,430 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:31:08,806 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:31:09,441 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:31:10,218 WARN L193 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 21:31:10,594 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:31:10,974 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:31:11,672 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 238 [2020-09-04 21:31:12,493 WARN L193 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 21:31:13,326 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 240 [2020-09-04 21:31:13,711 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:31:14,123 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:31:14,505 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:31:14,894 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:31:15,286 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:31:15,673 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:31:16,059 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:31:16,450 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:31:17,583 WARN L193 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 243 [2020-09-04 21:31:17,978 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:31:18,376 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:31:19,167 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:31:19,939 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 244 [2020-09-04 21:31:20,773 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:31:21,178 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:31:21,606 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:31:22,004 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:31:22,404 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:31:22,814 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:31:23,219 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:31:23,623 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:31:24,033 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:31:25,181 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:31:26,001 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:31:27,141 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-09-04 21:31:27,533 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:31:28,510 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:31:29,669 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-09-04 21:31:30,641 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:31:31,863 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 233 DAG size of output: 222 [2020-09-04 21:31:32,681 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:31:33,076 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:31:33,460 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:31:33,834 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:31:34,479 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:31:34,848 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:31:35,217 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:31:35,852 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:31:36,626 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 21:31:37,003 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:31:37,383 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:31:38,081 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 238 [2020-09-04 21:31:38,904 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 21:31:39,738 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 240 [2020-09-04 21:31:40,124 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:31:40,535 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:31:40,916 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:31:41,299 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:31:41,691 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:31:42,078 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:31:42,462 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:31:42,852 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:31:43,404 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:31:44,056 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:31:44,596 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:31:45,503 WARN L193 SmtUtils]: Spent 903.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:31:46,467 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:31:47,051 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:31:47,825 WARN L193 SmtUtils]: Spent 772.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:31:48,179 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:31:49,149 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:31:49,497 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:31:49,884 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:31:50,253 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:31:50,622 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:31:50,998 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:31:51,396 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:51,808 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:31:52,183 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:31:52,553 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:53,818 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:31:54,776 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:31:55,739 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:31:56,114 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:57,290 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:31:57,868 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 21:31:58,438 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:31:59,020 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 241 [2020-09-04 21:32:00,011 WARN L193 SmtUtils]: Spent 982.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 230 [2020-09-04 21:32:00,579 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:32:01,106 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:32:02,132 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 232 [2020-09-04 21:32:02,511 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:03,412 WARN L193 SmtUtils]: Spent 899.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:32:03,953 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:32:04,726 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:32:05,074 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:32:05,440 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:06,100 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:32:07,071 WARN L193 SmtUtils]: Spent 962.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:32:07,656 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:32:08,632 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:32:09,176 WARN L193 SmtUtils]: Spent 539.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:32:09,527 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:32:09,911 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:10,867 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:32:11,831 WARN L193 SmtUtils]: Spent 957.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:32:12,205 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:12,616 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:13,578 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:32:14,546 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:32:14,920 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:15,301 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:15,947 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:32:16,306 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:16,670 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:32:17,379 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:32:18,013 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:32:18,651 WARN L193 SmtUtils]: Spent 634.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:32:19,021 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:32:19,414 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:19,776 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:20,142 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:32:20,516 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:20,885 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:21,252 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:32:21,626 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:22,022 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:32:22,432 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:32:22,786 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:25,716 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 21:32:28,649 WARN L193 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 413 DAG size of output: 337 [2020-09-04 21:32:32,765 WARN L193 SmtUtils]: Spent 4.11 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 21:32:33,117 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:33,677 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:32:34,229 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:32:34,706 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:35,074 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:35,456 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:36,361 WARN L193 SmtUtils]: Spent 901.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 226 [2020-09-04 21:32:36,901 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:32:37,677 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:32:38,029 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:32:38,687 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:32:39,227 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 228 [2020-09-04 21:32:40,195 WARN L193 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 204 [2020-09-04 21:32:40,780 WARN L193 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:32:41,158 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:42,136 WARN L193 SmtUtils]: Spent 975.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 200 [2020-09-04 21:32:42,486 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:32:42,868 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:43,262 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:32:43,631 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:44,010 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:44,397 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:32:44,795 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:32:45,177 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:45,892 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 206 [2020-09-04 21:32:46,276 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:32:47,040 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-09-04 21:32:47,763 WARN L193 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-09-04 21:32:48,527 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-09-04 21:32:48,913 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:32:49,330 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:32:49,718 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:32:50,102 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:32:50,503 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:32:50,894 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:52,457 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 21:32:53,925 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 243 DAG size of output: 243 [2020-09-04 21:32:54,416 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:32:55,869 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 244 DAG size of output: 244 [2020-09-04 21:32:56,366 WARN L193 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 203 [2020-09-04 21:32:57,895 WARN L193 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2020-09-04 21:32:58,280 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:58,674 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:32:59,051 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:59,448 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:32:59,856 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:33:00,224 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:00,605 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:00,997 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:33:01,374 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:33:01,853 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:02,203 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:33:02,615 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:33:03,027 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:33:03,456 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:33:03,897 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:33:04,306 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:33:04,721 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:33:05,128 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:33:05,545 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:33:05,960 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:33:06,366 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:33:06,755 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:33:07,133 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:33:07,527 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:33:07,906 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:33:08,308 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:33:08,703 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:33:09,118 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:33:09,544 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:33:09,938 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:33:10,338 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:33:10,738 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:33:11,139 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:33:11,539 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:33:11,939 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:33:12,317 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:12,683 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:13,070 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:33:13,451 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:33:13,848 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:33:14,259 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:33:14,638 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:33:15,021 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:33:15,412 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:33:15,800 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:33:16,185 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:33:16,578 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:33:16,979 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:33:17,368 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:33:17,779 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:33:18,176 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:33:18,588 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:33:19,015 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:33:19,409 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:33:19,807 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:33:20,206 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:33:20,608 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:33:21,008 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:33:21,407 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:33:22,134 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:33:22,504 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 199 [2020-09-04 21:33:23,324 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:33:24,349 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:33:25,175 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:26,198 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 21:33:27,023 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:27,387 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-04 21:33:28,209 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:33:29,247 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:33:30,073 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:30,442 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 200 [2020-09-04 21:33:30,808 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:33:31,637 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:32,463 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:33,493 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 21:33:34,313 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:33:35,146 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:35,969 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:33:37,001 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:33:37,824 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:33:38,519 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:33:39,223 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:33:40,256 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:33:41,077 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:33:42,103 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:33:43,131 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 249 DAG size of output: 237 [2020-09-04 21:33:43,959 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:45,034 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:33:45,855 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:33:46,677 WARN L193 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:33:47,709 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:33:48,434 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:33:49,267 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:50,096 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:50,921 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:51,945 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 249 DAG size of output: 237 [2020-09-04 21:33:52,770 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:53,589 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:33:54,417 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:33:55,491 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:33:56,124 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 203 [2020-09-04 21:33:56,511 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:33:56,887 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:33:57,264 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:33:57,912 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 202 [2020-09-04 21:33:58,288 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:33:58,859 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:33:59,421 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:33:59,926 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:34:00,485 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:34:01,497 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 247 DAG size of output: 228 [2020-09-04 21:34:02,057 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:34:02,560 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:34:03,562 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 230 [2020-09-04 21:34:04,076 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 21:34:04,585 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:34:04,992 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:34:05,412 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:34:05,818 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:06,520 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 210 [2020-09-04 21:34:06,927 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:34:07,680 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-09-04 21:34:08,468 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 212 [2020-09-04 21:34:09,274 WARN L193 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 212 [2020-09-04 21:34:09,682 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:34:10,121 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:34:10,530 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:34:10,936 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:34:11,359 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:34:11,771 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:34:12,150 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:12,516 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:12,944 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:13,335 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:34:14,155 WARN L193 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:34:14,555 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:34:15,692 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:34:16,839 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-09-04 21:34:17,815 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:34:18,975 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-09-04 21:34:19,945 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:34:21,169 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 233 DAG size of output: 222 [2020-09-04 21:34:21,569 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:34:22,390 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:34:22,745 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:34:23,097 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:34:23,530 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:23,921 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:34:28,044 WARN L193 SmtUtils]: Spent 4.12 s on a formula simplification. DAG size of input: 471 DAG size of output: 375 [2020-09-04 21:34:28,685 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:34:30,160 WARN L193 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 230 DAG size of output: 220 [2020-09-04 21:34:30,911 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:34:31,291 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:32,666 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 231 DAG size of output: 217 [2020-09-04 21:34:33,059 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:34:34,055 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:34:34,434 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:34:34,811 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:34:35,209 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:34:35,600 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:34:37,113 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 244 DAG size of output: 243 [2020-09-04 21:34:37,506 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:34:37,891 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:34:38,302 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:34:38,692 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:34:39,107 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:34:40,560 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 245 DAG size of output: 244 [2020-09-04 21:34:42,131 WARN L193 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 245 DAG size of output: 244 [2020-09-04 21:34:42,522 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:42,914 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:34:43,301 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:34:43,698 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:34:44,074 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:34:44,469 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:34:44,858 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:34:45,247 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:45,637 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:34:46,385 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:34:46,793 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:47,865 WARN L193 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 21:34:48,869 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:34:49,495 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:34:50,117 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:34:50,907 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 203 [2020-09-04 21:34:51,521 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:34:52,134 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:34:52,911 WARN L193 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 204 [2020-09-04 21:34:53,289 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:53,671 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:54,045 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:54,418 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:55,148 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:34:55,519 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 199 [2020-09-04 21:34:56,339 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:34:57,368 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:34:58,198 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:34:59,220 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 21:35:00,045 WARN L193 SmtUtils]: Spent 823.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:35:00,411 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 199 [2020-09-04 21:35:01,230 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:02,270 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:35:03,096 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:35:03,467 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 200 [2020-09-04 21:35:03,832 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:35:04,662 WARN L193 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:35:05,490 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:35:06,536 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 250 DAG size of output: 238 [2020-09-04 21:35:07,357 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:08,189 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:35:09,012 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:10,046 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:35:10,870 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:11,562 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:35:12,267 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:35:13,299 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:35:14,119 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:15,144 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:35:16,174 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 249 DAG size of output: 237 [2020-09-04 21:35:17,001 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:35:18,077 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:35:18,896 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:19,717 WARN L193 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:20,749 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:35:21,477 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231