/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_product38.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:08:00,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:08:00,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:08:00,257 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:08:00,258 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:08:00,265 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:08:00,268 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:08:00,274 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:08:00,275 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:08:00,276 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:08:00,277 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:08:00,280 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:08:00,280 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:08:00,281 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:08:00,282 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:08:00,285 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:08:00,286 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:08:00,286 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:08:00,288 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:08:00,296 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:08:00,297 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:08:00,299 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:08:00,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:08:00,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:08:00,313 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:08:00,313 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:08:00,314 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:08:00,315 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:08:00,315 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:08:00,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:08:00,319 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:08:00,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:08:00,324 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:08:00,324 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:08:00,325 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:08:00,329 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:08:00,329 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:08:00,330 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:08:00,330 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:08:00,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:08:00,332 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:08:00,332 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 21:08:00,343 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:08:00,344 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:08:00,345 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:08:00,345 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:08:00,345 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:08:00,346 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:08:00,346 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:08:00,346 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:08:00,346 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:08:00,346 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:08:00,347 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:08:00,347 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:08:00,347 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:08:00,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:08:00,347 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:08:00,348 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:08:00,348 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:08:00,348 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:08:00,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:08:00,348 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:08:00,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:08:00,349 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:08:00,349 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 21:08:00,761 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:08:00,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:08:00,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:08:00,792 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:08:00,793 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:08:00,794 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-04 21:08:00,880 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05b263267/2c8379babe1147a9bcae6d5b1085e4b5/FLAG648dcaf72 [2020-09-04 21:08:01,446 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:08:01,447 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product38.cil.c [2020-09-04 21:08:01,465 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05b263267/2c8379babe1147a9bcae6d5b1085e4b5/FLAG648dcaf72 [2020-09-04 21:08:01,732 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/05b263267/2c8379babe1147a9bcae6d5b1085e4b5 [2020-09-04 21:08:01,744 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:08:01,746 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:08:01,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:08:01,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:08:01,752 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:08:01,753 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:08:01" (1/1) ... [2020-09-04 21:08:01,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4365ba2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:01, skipping insertion in model container [2020-09-04 21:08:01,757 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:08:01" (1/1) ... [2020-09-04 21:08:01,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:08:01,827 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:08:02,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:08:02,314 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:08:02,553 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:08:02,590 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:08:02,591 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02 WrapperNode [2020-09-04 21:08:02,591 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:08:02,592 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:08:02,592 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:08:02,592 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:08:02,606 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02" (1/1) ... [2020-09-04 21:08:02,606 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02" (1/1) ... [2020-09-04 21:08:02,627 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02" (1/1) ... [2020-09-04 21:08:02,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02" (1/1) ... [2020-09-04 21:08:02,659 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02" (1/1) ... [2020-09-04 21:08:02,670 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02" (1/1) ... [2020-09-04 21:08:02,681 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02" (1/1) ... [2020-09-04 21:08:02,694 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:08:02,695 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:08:02,695 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:08:02,695 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:08:02,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02" (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 21:08:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:08:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:08:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:08:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:08:02,793 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:08:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:08:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:08:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:08:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:08:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:08:02,794 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:08:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:08:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:08:02,799 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:08:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:08:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:08:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:08:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:08:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:08:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:08:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:08:02,802 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:08:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:08:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:08:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:08:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:08:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:08:02,803 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:08:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:08:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:08:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:08:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:08:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:08:02,804 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:08:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:08:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 21:08:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:08:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:08:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:08:02,805 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:08:02,806 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:08:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:08:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:08:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:08:02,806 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:08:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:08:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:08:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:08:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:08:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:08:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:08:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:08:02,807 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:08:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:08:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:08:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:08:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:08:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:08:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:08:02,808 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:08:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:08:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:08:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:08:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:08:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:08:02,809 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:08:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:08:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:08:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:08:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:08:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:08:02,810 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:08:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:08:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:08:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:08:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:08:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:08:02,811 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:08:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:08:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:08:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:08:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:08:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:08:02,812 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:08:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:08:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:08:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 21:08:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:08:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:08:02,813 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:08:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:08:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:08:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:08:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:08:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:08:02,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:08:03,981 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:08:03,981 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:08:03,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:08:03 BoogieIcfgContainer [2020-09-04 21:08:03,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:08:03,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:08:03,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:08:03,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:08:03,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:08:01" (1/3) ... [2020-09-04 21:08:03,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db7cf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:08:03, skipping insertion in model container [2020-09-04 21:08:03,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:08:02" (2/3) ... [2020-09-04 21:08:03,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@db7cf89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:08:03, skipping insertion in model container [2020-09-04 21:08:03,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:08:03" (3/3) ... [2020-09-04 21:08:03,998 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product38.cil.c [2020-09-04 21:08:04,009 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:08:04,021 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:08:04,045 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:08:04,077 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:08:04,078 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:08:04,078 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:08:04,078 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:08:04,079 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:08:04,079 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:08:04,079 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:08:04,079 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:08:04,116 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2020-09-04 21:08:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:08:04,162 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:04,164 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 21:08:04,165 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:04,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:04,173 INFO L82 PathProgramCache]: Analyzing trace with hash -548539878, now seen corresponding path program 1 times [2020-09-04 21:08:04,186 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:04,187 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1028056739] [2020-09-04 21:08:04,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:04,975 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:04,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:05,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:08:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:08:05,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:08:05,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:05,235 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 21:08:05,236 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1028056739] [2020-09-04 21:08:05,238 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:08:05,239 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:08:05,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529811722] [2020-09-04 21:08:05,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:08:05,249 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:05,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:08:05,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:08:05,269 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 4 states. [2020-09-04 21:08:06,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:08:06,696 INFO L93 Difference]: Finished difference Result 505 states and 591 transitions. [2020-09-04 21:08:06,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:08:06,699 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:08:06,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:08:06,720 INFO L225 Difference]: With dead ends: 505 [2020-09-04 21:08:06,720 INFO L226 Difference]: Without dead ends: 318 [2020-09-04 21:08:06,726 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 21:08:06,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-09-04 21:08:06,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 272. [2020-09-04 21:08:06,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-09-04 21:08:06,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 295 transitions. [2020-09-04 21:08:06,869 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 295 transitions. Word has length 160 [2020-09-04 21:08:06,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:08:06,870 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 295 transitions. [2020-09-04 21:08:06,870 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:08:06,870 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 295 transitions. [2020-09-04 21:08:06,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:08:06,875 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:06,875 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 21:08:06,876 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:08:06,876 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:06,876 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:06,876 INFO L82 PathProgramCache]: Analyzing trace with hash -2128164298, now seen corresponding path program 1 times [2020-09-04 21:08:06,877 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:06,877 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [479373395] [2020-09-04 21:08:06,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,272 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:07,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:07,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:07,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:07,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:07,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:07,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:08:07,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:07,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:08:07,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:08:07,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:07,406 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 21:08:07,407 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [479373395] [2020-09-04 21:08:07,407 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:08:07,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:08:07,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108484608] [2020-09-04 21:08:07,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:08:07,410 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:07,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:08:07,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:08:07,411 INFO L87 Difference]: Start difference. First operand 272 states and 295 transitions. Second operand 5 states. [2020-09-04 21:08:08,110 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:09,161 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:08:09,161 INFO L93 Difference]: Finished difference Result 430 states and 483 transitions. [2020-09-04 21:08:09,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:08:09,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:08:09,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:08:09,191 INFO L225 Difference]: With dead ends: 430 [2020-09-04 21:08:09,192 INFO L226 Difference]: Without dead ends: 307 [2020-09-04 21:08:09,199 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:08:09,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-09-04 21:08:09,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-09-04 21:08:09,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-04 21:08:09,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 282 transitions. [2020-09-04 21:08:09,279 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 282 transitions. Word has length 161 [2020-09-04 21:08:09,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:08:09,280 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 282 transitions. [2020-09-04 21:08:09,280 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:08:09,280 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 282 transitions. [2020-09-04 21:08:09,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 21:08:09,282 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:09,283 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:08:09,283 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:08:09,283 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:09,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:09,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1816762298, now seen corresponding path program 1 times [2020-09-04 21:08:09,284 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:09,284 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [646202208] [2020-09-04 21:08:09,285 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,639 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:09,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:09,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:09,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:09,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:09,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:09,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:09,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:08:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:08:09,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:09,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 21:08:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 21:08:09,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:09,812 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 21:08:09,813 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [646202208] [2020-09-04 21:08:09,813 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:08:09,813 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:08:09,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156332108] [2020-09-04 21:08:09,814 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:08:09,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:09,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:08:09,815 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:08:09,815 INFO L87 Difference]: Start difference. First operand 262 states and 282 transitions. Second operand 11 states. [2020-09-04 21:08:10,472 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:08:10,868 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:08:11,126 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:08:11,489 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:11,793 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:08:12,095 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:13,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:08:13,955 INFO L93 Difference]: Finished difference Result 477 states and 548 transitions. [2020-09-04 21:08:13,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:08:13,956 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 21:08:13,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:08:13,963 INFO L225 Difference]: With dead ends: 477 [2020-09-04 21:08:13,964 INFO L226 Difference]: Without dead ends: 330 [2020-09-04 21:08:13,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:08:13,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2020-09-04 21:08:14,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 262. [2020-09-04 21:08:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-09-04 21:08:14,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 281 transitions. [2020-09-04 21:08:14,048 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 281 transitions. Word has length 174 [2020-09-04 21:08:14,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:08:14,049 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 281 transitions. [2020-09-04 21:08:14,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:08:14,049 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 281 transitions. [2020-09-04 21:08:14,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2020-09-04 21:08:14,052 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:14,053 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:08:14,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:08:14,053 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:14,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:14,053 INFO L82 PathProgramCache]: Analyzing trace with hash -113759087, now seen corresponding path program 1 times [2020-09-04 21:08:14,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:14,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2052517420] [2020-09-04 21:08:14,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,433 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:14,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:14,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:08:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:08:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:08:14,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2020-09-04 21:08:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-09-04 21:08:14,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:14,687 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 21:08:14,687 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2052517420] [2020-09-04 21:08:14,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:08:14,688 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:08:14,688 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [471308851] [2020-09-04 21:08:14,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:08:14,689 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:14,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:08:14,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:08:14,690 INFO L87 Difference]: Start difference. First operand 262 states and 281 transitions. Second operand 8 states. [2020-09-04 21:08:15,241 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:08:17,213 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:18,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:08:18,058 INFO L93 Difference]: Finished difference Result 666 states and 793 transitions. [2020-09-04 21:08:18,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 21:08:18,059 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 187 [2020-09-04 21:08:18,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:08:18,066 INFO L225 Difference]: With dead ends: 666 [2020-09-04 21:08:18,066 INFO L226 Difference]: Without dead ends: 519 [2020-09-04 21:08:18,067 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:08:18,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-09-04 21:08:18,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 381. [2020-09-04 21:08:18,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2020-09-04 21:08:18,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 412 transitions. [2020-09-04 21:08:18,222 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 412 transitions. Word has length 187 [2020-09-04 21:08:18,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:08:18,222 INFO L479 AbstractCegarLoop]: Abstraction has 381 states and 412 transitions. [2020-09-04 21:08:18,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:08:18,223 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 412 transitions. [2020-09-04 21:08:18,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2020-09-04 21:08:18,225 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:18,226 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:08:18,226 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:08:18,226 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:18,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:18,227 INFO L82 PathProgramCache]: Analyzing trace with hash 2080657374, now seen corresponding path program 1 times [2020-09-04 21:08:18,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:18,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [28008704] [2020-09-04 21:08:18,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,617 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:18,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:18,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:18,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:08:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:08:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:18,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:08:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:18,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:08:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:08:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2020-09-04 21:08:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-09-04 21:08:18,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:18,895 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 21:08:18,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [28008704] [2020-09-04 21:08:18,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:08:18,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:08:18,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319547069] [2020-09-04 21:08:18,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:08:18,897 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:18,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:08:18,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:08:18,898 INFO L87 Difference]: Start difference. First operand 381 states and 412 transitions. Second operand 11 states. [2020-09-04 21:08:19,502 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:08:20,744 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:20,969 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:08:21,970 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:08:22,346 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:22,764 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:23,425 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:23,732 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:08:24,025 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:24,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:08:24,732 INFO L93 Difference]: Finished difference Result 784 states and 920 transitions. [2020-09-04 21:08:24,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-09-04 21:08:24,732 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2020-09-04 21:08:24,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:08:24,737 INFO L225 Difference]: With dead ends: 784 [2020-09-04 21:08:24,737 INFO L226 Difference]: Without dead ends: 518 [2020-09-04 21:08:24,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-09-04 21:08:24,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2020-09-04 21:08:24,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 380. [2020-09-04 21:08:24,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-09-04 21:08:24,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 409 transitions. [2020-09-04 21:08:24,879 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 409 transitions. Word has length 211 [2020-09-04 21:08:24,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:08:24,879 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 409 transitions. [2020-09-04 21:08:24,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:08:24,880 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 409 transitions. [2020-09-04 21:08:24,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 21:08:24,882 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:24,883 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 21:08:24,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:08:24,883 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:24,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:24,884 INFO L82 PathProgramCache]: Analyzing trace with hash -841990399, now seen corresponding path program 1 times [2020-09-04 21:08:24,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:24,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1935718638] [2020-09-04 21:08:24,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,204 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:25,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:25,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:25,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:08:25,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:08:25,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:08:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:25,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:08:25,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:08:25,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 21:08:25,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 21:08:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:25,420 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 21:08:25,421 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1935718638] [2020-09-04 21:08:25,421 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:08:25,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:08:25,422 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52328854] [2020-09-04 21:08:25,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:08:25,423 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:25,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:08:25,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:08:25,423 INFO L87 Difference]: Start difference. First operand 380 states and 409 transitions. Second operand 11 states. [2020-09-04 21:08:26,874 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:27,217 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:08:27,539 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:08:27,844 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:28,162 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:08:28,447 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:29,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:08:29,465 INFO L93 Difference]: Finished difference Result 785 states and 916 transitions. [2020-09-04 21:08:29,466 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-09-04 21:08:29,466 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2020-09-04 21:08:29,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:08:29,470 INFO L225 Difference]: With dead ends: 785 [2020-09-04 21:08:29,470 INFO L226 Difference]: Without dead ends: 520 [2020-09-04 21:08:29,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:08:29,472 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 520 states. [2020-09-04 21:08:29,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 520 to 388. [2020-09-04 21:08:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2020-09-04 21:08:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 417 transitions. [2020-09-04 21:08:29,605 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 417 transitions. Word has length 212 [2020-09-04 21:08:29,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:08:29,606 INFO L479 AbstractCegarLoop]: Abstraction has 388 states and 417 transitions. [2020-09-04 21:08:29,606 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:08:29,606 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 417 transitions. [2020-09-04 21:08:29,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 21:08:29,609 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:29,609 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 21:08:29,610 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:08:29,610 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:29,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:29,610 INFO L82 PathProgramCache]: Analyzing trace with hash -967194783, now seen corresponding path program 1 times [2020-09-04 21:08:29,611 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:29,611 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1573300458] [2020-09-04 21:08:29,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:29,952 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:29,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:29,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:29,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:29,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:29,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:29,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:30,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:30,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:08:30,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:08:30,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:30,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:08:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:30,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:30,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:08:30,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:08:30,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 21:08:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 21:08:30,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:30,197 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 21:08:30,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1573300458] [2020-09-04 21:08:30,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:08:30,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:08:30,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938749294] [2020-09-04 21:08:30,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:08:30,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:30,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:08:30,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:08:30,200 INFO L87 Difference]: Start difference. First operand 388 states and 417 transitions. Second operand 14 states. [2020-09-04 21:08:30,847 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:31,157 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:08:31,462 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:31,770 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:08:32,081 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:33,205 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:33,510 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:08:33,825 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:34,153 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:08:34,451 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:35,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:08:35,837 INFO L93 Difference]: Finished difference Result 804 states and 947 transitions. [2020-09-04 21:08:35,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:08:35,838 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 212 [2020-09-04 21:08:35,838 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:08:35,842 INFO L225 Difference]: With dead ends: 804 [2020-09-04 21:08:35,842 INFO L226 Difference]: Without dead ends: 531 [2020-09-04 21:08:35,844 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 21:08:35,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 531 states. [2020-09-04 21:08:35,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 531 to 394. [2020-09-04 21:08:35,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2020-09-04 21:08:35,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 423 transitions. [2020-09-04 21:08:35,952 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 423 transitions. Word has length 212 [2020-09-04 21:08:35,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:08:35,952 INFO L479 AbstractCegarLoop]: Abstraction has 394 states and 423 transitions. [2020-09-04 21:08:35,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:08:35,952 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 423 transitions. [2020-09-04 21:08:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 21:08:35,954 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:35,954 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 21:08:35,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:08:35,955 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:35,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:35,955 INFO L82 PathProgramCache]: Analyzing trace with hash -276700642, now seen corresponding path program 1 times [2020-09-04 21:08:35,955 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:35,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1546533460] [2020-09-04 21:08:35,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:36,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,383 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:36,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:36,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:36,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:36,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:36,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:36,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:08:36,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:08:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:08:36,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:36,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:08:36,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:08:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 21:08:36,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 21:08:36,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:36,678 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 21:08:36,679 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1546533460] [2020-09-04 21:08:36,679 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:08:36,679 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:08:36,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976264303] [2020-09-04 21:08:36,680 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:08:36,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:36,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:08:36,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:08:36,682 INFO L87 Difference]: Start difference. First operand 394 states and 423 transitions. Second operand 8 states. [2020-09-04 21:08:37,305 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:08:37,999 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:08:40,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:08:40,527 INFO L93 Difference]: Finished difference Result 1135 states and 1370 transitions. [2020-09-04 21:08:40,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 21:08:40,528 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 212 [2020-09-04 21:08:40,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:08:40,533 INFO L225 Difference]: With dead ends: 1135 [2020-09-04 21:08:40,533 INFO L226 Difference]: Without dead ends: 856 [2020-09-04 21:08:40,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 3 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 152 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-09-04 21:08:40,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-09-04 21:08:40,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 649. [2020-09-04 21:08:40,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 649 states. [2020-09-04 21:08:40,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 649 states and 715 transitions. [2020-09-04 21:08:40,713 INFO L78 Accepts]: Start accepts. Automaton has 649 states and 715 transitions. Word has length 212 [2020-09-04 21:08:40,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:08:40,714 INFO L479 AbstractCegarLoop]: Abstraction has 649 states and 715 transitions. [2020-09-04 21:08:40,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:08:40,714 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 715 transitions. [2020-09-04 21:08:40,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-09-04 21:08:40,716 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:40,716 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:08:40,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:08:40,717 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:40,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:40,717 INFO L82 PathProgramCache]: Analyzing trace with hash -61438169, now seen corresponding path program 1 times [2020-09-04 21:08:40,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:40,718 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1487617540] [2020-09-04 21:08:40,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,211 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:41,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:41,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:41,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:41,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:41,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:08:41,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:08:41,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:08:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 21:08:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:41,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:08:41,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:08:41,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2020-09-04 21:08:41,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-09-04 21:08:41,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:41,603 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 21:08:41,603 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1487617540] [2020-09-04 21:08:41,603 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:08:41,603 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 21:08:41,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2035788759] [2020-09-04 21:08:41,604 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:08:41,604 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:41,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:08:41,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:08:41,605 INFO L87 Difference]: Start difference. First operand 649 states and 715 transitions. Second operand 15 states. [2020-09-04 21:08:42,416 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:08:43,347 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:08:45,351 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:08:45,954 WARN L193 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:08:46,299 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:46,607 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:08:47,189 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:08:47,492 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:47,842 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:08:48,140 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:50,320 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:08:50,608 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:08:50,923 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:08:51,639 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:08:53,331 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:08:53,940 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:08:54,561 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:08:55,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:08:55,305 INFO L93 Difference]: Finished difference Result 2014 states and 2423 transitions. [2020-09-04 21:08:55,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-09-04 21:08:55,306 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 217 [2020-09-04 21:08:55,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:08:55,315 INFO L225 Difference]: With dead ends: 2014 [2020-09-04 21:08:55,315 INFO L226 Difference]: Without dead ends: 1587 [2020-09-04 21:08:55,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1097 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-09-04 21:08:55,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1587 states. [2020-09-04 21:08:55,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1587 to 1146. [2020-09-04 21:08:55,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1146 states. [2020-09-04 21:08:55,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1146 states to 1146 states and 1253 transitions. [2020-09-04 21:08:55,665 INFO L78 Accepts]: Start accepts. Automaton has 1146 states and 1253 transitions. Word has length 217 [2020-09-04 21:08:55,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:08:55,666 INFO L479 AbstractCegarLoop]: Abstraction has 1146 states and 1253 transitions. [2020-09-04 21:08:55,666 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:08:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1253 transitions. [2020-09-04 21:08:55,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 304 [2020-09-04 21:08:55,668 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:08:55,669 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:08:55,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:08:55,669 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:08:55,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:08:55,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1808104870, now seen corresponding path program 1 times [2020-09-04 21:08:55,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:08:55,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1616073263] [2020-09-04 21:08:55,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:08:55,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,071 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:08:56,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:56,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:08:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:08:56,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:08:56,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:08:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:08:56,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:08:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:08:56,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:08:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:08:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:56,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:08:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:08:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:08:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:08:56,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:08:56,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:08:56,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-04 21:08:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-04 21:08:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:08:56,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:08:56,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:08:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 280 [2020-09-04 21:08:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 290 [2020-09-04 21:08:56,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:08:56,631 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-04 21:08:56,631 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1616073263] [2020-09-04 21:08:56,631 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:08:56,631 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:08:56,632 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124907400] [2020-09-04 21:08:56,632 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:08:56,633 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:08:56,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:08:56,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:08:56,633 INFO L87 Difference]: Start difference. First operand 1146 states and 1253 transitions. Second operand 19 states. [2020-09-04 21:08:57,325 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:08:57,782 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:08:58,125 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:08:58,464 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:08:58,800 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:08:59,118 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:09:00,257 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:09:00,626 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:09:00,943 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:01,558 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:09:02,557 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:09:03,146 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:09:03,535 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:09:05,673 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:09:06,290 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:09:06,637 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:09:07,251 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:09:07,710 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:08,604 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:09:09,280 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:09:09,671 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:09:10,433 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:09:11,108 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:09:12,847 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:09:13,182 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:09:14,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:09:14,768 INFO L93 Difference]: Finished difference Result 2789 states and 3239 transitions. [2020-09-04 21:09:14,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 21:09:14,769 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 303 [2020-09-04 21:09:14,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:09:14,780 INFO L225 Difference]: With dead ends: 2789 [2020-09-04 21:09:14,780 INFO L226 Difference]: Without dead ends: 1860 [2020-09-04 21:09:14,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1909 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 21:09:14,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1860 states. [2020-09-04 21:09:15,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1860 to 1377. [2020-09-04 21:09:15,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1377 states. [2020-09-04 21:09:15,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1377 states and 1512 transitions. [2020-09-04 21:09:15,499 INFO L78 Accepts]: Start accepts. Automaton has 1377 states and 1512 transitions. Word has length 303 [2020-09-04 21:09:15,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:09:15,500 INFO L479 AbstractCegarLoop]: Abstraction has 1377 states and 1512 transitions. [2020-09-04 21:09:15,500 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:09:15,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1512 transitions. [2020-09-04 21:09:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2020-09-04 21:09:15,506 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:09:15,507 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:09:15,507 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:09:15,507 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:09:15,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:09:15,508 INFO L82 PathProgramCache]: Analyzing trace with hash -473333949, now seen corresponding path program 1 times [2020-09-04 21:09:15,508 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:09:15,508 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1840540902] [2020-09-04 21:09:15,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:09:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:15,879 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:09:15,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:09:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:15,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:09:15,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:15,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:09:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:15,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:09:15,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:15,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:09:15,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:15,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:09:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:15,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:09:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:15,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:09:15,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:16,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:16,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:09:16,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:09:16,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:09:16,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:09:16,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:09:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:09:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:16,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:09:16,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:09:16,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:09:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:09:16,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:09:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-09-04 21:09:16,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-09-04 21:09:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:16,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:09:16,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:09:16,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:09:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:09:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:09:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2020-09-04 21:09:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 395 [2020-09-04 21:09:16,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-09-04 21:09:16,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:16,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:09:16,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:09:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-09-04 21:09:16,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 460 [2020-09-04 21:09:16,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:16,595 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2020-09-04 21:09:16,596 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1840540902] [2020-09-04 21:09:16,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:09:16,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:09:16,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137800319] [2020-09-04 21:09:16,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:09:16,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:09:16,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:09:16,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:09:16,598 INFO L87 Difference]: Start difference. First operand 1377 states and 1512 transitions. Second operand 17 states. [2020-09-04 21:09:18,905 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:09:19,225 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:19,541 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:19,865 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:09:20,165 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:20,462 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:09:23,101 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:23,431 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:09:25,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:09:25,441 INFO L93 Difference]: Finished difference Result 4050 states and 4808 transitions. [2020-09-04 21:09:25,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-09-04 21:09:25,442 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 473 [2020-09-04 21:09:25,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:09:25,458 INFO L225 Difference]: With dead ends: 4050 [2020-09-04 21:09:25,458 INFO L226 Difference]: Without dead ends: 2593 [2020-09-04 21:09:25,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 112 SyntacticMatches, 4 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 463 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-09-04 21:09:25,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2593 states. [2020-09-04 21:09:26,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2593 to 1775. [2020-09-04 21:09:26,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1775 states. [2020-09-04 21:09:26,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1775 states and 1982 transitions. [2020-09-04 21:09:26,237 INFO L78 Accepts]: Start accepts. Automaton has 1775 states and 1982 transitions. Word has length 473 [2020-09-04 21:09:26,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:09:26,238 INFO L479 AbstractCegarLoop]: Abstraction has 1775 states and 1982 transitions. [2020-09-04 21:09:26,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:09:26,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 1982 transitions. [2020-09-04 21:09:26,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 488 [2020-09-04 21:09:26,245 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:09:26,245 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:09:26,246 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:09:26,246 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:09:26,246 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:09:26,246 INFO L82 PathProgramCache]: Analyzing trace with hash 327340526, now seen corresponding path program 1 times [2020-09-04 21:09:26,246 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:09:26,247 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [740890393] [2020-09-04 21:09:26,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:09:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,638 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:09:26,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:26,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:09:26,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:09:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:09:26,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:09:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:09:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:09:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:09:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:09:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:26,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:26,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:09:26,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:26,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:26,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:09:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:09:26,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:09:26,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:09:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:09:26,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:26,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:09:26,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:09:26,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:09:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:09:26,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:26,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:09:26,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:26,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:09:26,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-09-04 21:09:26,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-09-04 21:09:26,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:26,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:26,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:09:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:09:26,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:26,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:26,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:09:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:09:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:09:27,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 392 [2020-09-04 21:09:27,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-09-04 21:09:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 409 [2020-09-04 21:09:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-09-04 21:09:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:27,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:09:27,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:09:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-09-04 21:09:27,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-09-04 21:09:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 134 proven. 39 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2020-09-04 21:09:27,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [740890393] [2020-09-04 21:09:27,148 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:09:27,148 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:09:27,148 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550745155] [2020-09-04 21:09:27,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:09:27,149 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:09:27,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:09:27,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:09:27,150 INFO L87 Difference]: Start difference. First operand 1775 states and 1982 transitions. Second operand 19 states. [2020-09-04 21:09:27,802 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:09:28,310 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:28,636 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:09:28,954 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:29,274 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:09:29,585 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:30,721 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:09:31,039 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:32,120 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:09:32,675 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:09:33,062 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:33,527 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:09:34,699 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:09:35,013 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:36,111 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:09:36,461 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:36,786 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:09:38,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:09:38,576 INFO L93 Difference]: Finished difference Result 3740 states and 4388 transitions. [2020-09-04 21:09:38,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 21:09:38,577 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 487 [2020-09-04 21:09:38,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:09:38,589 INFO L225 Difference]: With dead ends: 3740 [2020-09-04 21:09:38,589 INFO L226 Difference]: Without dead ends: 2218 [2020-09-04 21:09:38,595 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 798 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=665, Invalid=2641, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 21:09:38,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2218 states. [2020-09-04 21:09:39,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2218 to 1703. [2020-09-04 21:09:39,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1703 states. [2020-09-04 21:09:39,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1703 states and 1883 transitions. [2020-09-04 21:09:39,517 INFO L78 Accepts]: Start accepts. Automaton has 1703 states and 1883 transitions. Word has length 487 [2020-09-04 21:09:39,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:09:39,518 INFO L479 AbstractCegarLoop]: Abstraction has 1703 states and 1883 transitions. [2020-09-04 21:09:39,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:09:39,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1883 transitions. [2020-09-04 21:09:39,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2020-09-04 21:09:39,525 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:09:39,525 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:09:39,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:09:39,525 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:09:39,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:09:39,526 INFO L82 PathProgramCache]: Analyzing trace with hash -463950692, now seen corresponding path program 1 times [2020-09-04 21:09:39,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:09:39,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169496571] [2020-09-04 21:09:39,526 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:09:39,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,046 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:09:40,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:40,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:09:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:09:40,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:09:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:09:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:09:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:09:40,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:09:40,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:09:40,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:40,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:40,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:09:40,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:09:40,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:09:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:09:40,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:09:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:09:40,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:40,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:40,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:09:40,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:09:40,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:09:40,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:09:40,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:09:40,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:09:40,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 319 [2020-09-04 21:09:40,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-09-04 21:09:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:40,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:40,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:09:40,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:09:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:09:40,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:09:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:09:40,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-09-04 21:09:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-09-04 21:09:40,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:40,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-09-04 21:09:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:40,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:09:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:09:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2020-09-04 21:09:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2020-09-04 21:09:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 113 proven. 2 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2020-09-04 21:09:40,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169496571] [2020-09-04 21:09:40,863 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:09:40,863 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:09:40,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114899484] [2020-09-04 21:09:40,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:09:40,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:09:40,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:09:40,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:09:40,867 INFO L87 Difference]: Start difference. First operand 1703 states and 1883 transitions. Second operand 17 states. [2020-09-04 21:09:41,606 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:09:42,808 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:09:47,610 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:47,949 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:09:48,301 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:48,637 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:48,984 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:09:49,318 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:09:49,634 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:49,981 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:09:50,316 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:50,657 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:09:51,075 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:09:51,407 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:52,036 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 21:09:52,372 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:09:52,966 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 21:09:53,323 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:53,699 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:09:54,044 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:09:56,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:09:56,062 INFO L93 Difference]: Finished difference Result 5515 states and 6515 transitions. [2020-09-04 21:09:56,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-09-04 21:09:56,063 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 484 [2020-09-04 21:09:56,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:09:56,085 INFO L225 Difference]: With dead ends: 5515 [2020-09-04 21:09:56,085 INFO L226 Difference]: Without dead ends: 3940 [2020-09-04 21:09:56,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 993 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-09-04 21:09:56,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3940 states. [2020-09-04 21:09:57,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3940 to 3048. [2020-09-04 21:09:57,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3048 states. [2020-09-04 21:09:57,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 3048 states and 3339 transitions. [2020-09-04 21:09:57,334 INFO L78 Accepts]: Start accepts. Automaton has 3048 states and 3339 transitions. Word has length 484 [2020-09-04 21:09:57,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:09:57,335 INFO L479 AbstractCegarLoop]: Abstraction has 3048 states and 3339 transitions. [2020-09-04 21:09:57,335 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:09:57,335 INFO L276 IsEmpty]: Start isEmpty. Operand 3048 states and 3339 transitions. [2020-09-04 21:09:57,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-09-04 21:09:57,345 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:09:57,345 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:09:57,346 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:09:57,346 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:09:57,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:09:57,346 INFO L82 PathProgramCache]: Analyzing trace with hash -339543744, now seen corresponding path program 1 times [2020-09-04 21:09:57,346 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:09:57,347 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1010240830] [2020-09-04 21:09:57,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:09:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,734 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:09:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:57,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:09:57,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:09:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:09:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:09:57,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:09:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:09:57,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:09:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:09:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-09-04 21:09:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:57,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:09:57,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:57,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:09:57,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:09:57,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:09:57,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:57,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:09:57,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:57,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 21:09:57,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:58,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:58,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:09:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:09:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:58,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:09:58,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:09:58,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:58,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:09:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:09:58,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 21:09:58,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 21:09:58,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:09:58,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:09:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:58,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:09:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:09:58,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:09:58,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:58,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-09-04 21:09:58,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-09-04 21:09:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:09:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:09:58,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:58,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:09:58,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:09:58,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:09:58,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-09-04 21:09:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-09-04 21:09:58,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:09:58,453 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 121 proven. 20 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2020-09-04 21:09:58,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1010240830] [2020-09-04 21:09:58,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:09:58,454 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-04 21:09:58,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896738854] [2020-09-04 21:09:58,455 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 21:09:58,455 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:09:58,455 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 21:09:58,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:09:58,456 INFO L87 Difference]: Start difference. First operand 3048 states and 3339 transitions. Second operand 23 states. [2020-09-04 21:09:59,135 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:09:59,579 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:09:59,910 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:10:00,242 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:00,655 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:10:00,961 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:02,110 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:10:07,711 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:08,055 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:08,416 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:08,760 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:09,098 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:09,437 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:09,756 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:10,100 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:10,443 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:10,828 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:11,143 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:11,500 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:12,135 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:10:12,776 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:10:13,376 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:10:16,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:10:16,438 INFO L93 Difference]: Finished difference Result 6688 states and 7753 transitions. [2020-09-04 21:10:16,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-09-04 21:10:16,439 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 489 [2020-09-04 21:10:16,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:10:16,460 INFO L225 Difference]: With dead ends: 6688 [2020-09-04 21:10:16,461 INFO L226 Difference]: Without dead ends: 4012 [2020-09-04 21:10:16,471 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 123 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1819 ImplicationChecksByTransitivity, 9.4s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 21:10:16,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4012 states. [2020-09-04 21:10:17,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4012 to 2843. [2020-09-04 21:10:17,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2843 states. [2020-09-04 21:10:17,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2843 states to 2843 states and 3111 transitions. [2020-09-04 21:10:17,575 INFO L78 Accepts]: Start accepts. Automaton has 2843 states and 3111 transitions. Word has length 489 [2020-09-04 21:10:17,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:10:17,576 INFO L479 AbstractCegarLoop]: Abstraction has 2843 states and 3111 transitions. [2020-09-04 21:10:17,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 21:10:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 2843 states and 3111 transitions. [2020-09-04 21:10:17,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2020-09-04 21:10:17,585 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:10:17,585 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:10:17,585 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:10:17,586 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:10:17,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:10:17,586 INFO L82 PathProgramCache]: Analyzing trace with hash -1337240858, now seen corresponding path program 2 times [2020-09-04 21:10:17,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:10:17,586 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1726705068] [2020-09-04 21:10:17,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:10:17,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:17,975 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:10:17,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:17,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:10:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:10:18,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:10:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:10:18,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:10:18,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:10:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:10:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:10:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:10:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:10:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:10:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:10:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:10:18,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:10:18,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:18,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:10:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:10:18,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:10:18,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:10:18,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:10:18,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:10:18,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 21:10:18,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 21:10:18,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 21:10:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:18,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:10:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:10:18,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:10:18,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:10:18,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:10:18,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-09-04 21:10:18,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-09-04 21:10:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:18,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:10:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:18,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:10:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:10:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-09-04 21:10:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-09-04 21:10:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:18,638 INFO L134 CoverageAnalysis]: Checked inductivity of 433 backedges. 143 proven. 37 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-09-04 21:10:18,638 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1726705068] [2020-09-04 21:10:18,638 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:10:18,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:10:18,639 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1158783745] [2020-09-04 21:10:18,639 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:10:18,640 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:10:18,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:10:18,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:10:18,640 INFO L87 Difference]: Start difference. First operand 2843 states and 3111 transitions. Second operand 19 states. [2020-09-04 21:10:19,303 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:10:21,789 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:22,119 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:22,711 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:10:23,024 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:10:23,608 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:10:23,923 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:10:24,487 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:10:24,825 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:25,182 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:25,499 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:25,807 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:10:29,381 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:29,708 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:34,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:10:34,709 INFO L93 Difference]: Finished difference Result 6904 states and 8177 transitions. [2020-09-04 21:10:34,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-09-04 21:10:34,710 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 489 [2020-09-04 21:10:34,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:10:34,734 INFO L225 Difference]: With dead ends: 6904 [2020-09-04 21:10:34,735 INFO L226 Difference]: Without dead ends: 5212 [2020-09-04 21:10:34,743 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 139 SyntacticMatches, 6 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2031 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-09-04 21:10:34,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5212 states. [2020-09-04 21:10:36,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5212 to 3390. [2020-09-04 21:10:36,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3390 states. [2020-09-04 21:10:36,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3390 states to 3390 states and 3696 transitions. [2020-09-04 21:10:36,039 INFO L78 Accepts]: Start accepts. Automaton has 3390 states and 3696 transitions. Word has length 489 [2020-09-04 21:10:36,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:10:36,040 INFO L479 AbstractCegarLoop]: Abstraction has 3390 states and 3696 transitions. [2020-09-04 21:10:36,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:10:36,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3390 states and 3696 transitions. [2020-09-04 21:10:36,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-09-04 21:10:36,052 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:10:36,053 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:10:36,053 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:10:36,053 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:10:36,053 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:10:36,053 INFO L82 PathProgramCache]: Analyzing trace with hash 896342264, now seen corresponding path program 1 times [2020-09-04 21:10:36,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:10:36,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212537158] [2020-09-04 21:10:36,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:10:36,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,525 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:10:36,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:36,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:10:36,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:10:36,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:10:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:10:36,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:10:36,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:10:36,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:10:36,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:10:36,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:36,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:36,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:10:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:36,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:36,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:10:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:10:36,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:10:36,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:36,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:10:36,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:10:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:36,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:36,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:10:36,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:10:36,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:36,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:10:36,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:10:36,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:36,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:10:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:36,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:10:36,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 21:10:36,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 21:10:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:36,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 21:10:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:10:37,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:10:37,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:10:37,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:10:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:10:37,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:37,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:10:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-09-04 21:10:37,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-09-04 21:10:37,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:10:37,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:10:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-09-04 21:10:37,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:37,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:10:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:10:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:10:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 481 [2020-09-04 21:10:37,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-09-04 21:10:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:10:37,537 INFO L134 CoverageAnalysis]: Checked inductivity of 478 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 280 trivial. 0 not checked. [2020-09-04 21:10:37,537 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212537158] [2020-09-04 21:10:37,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:10:37,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:10:37,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [903905355] [2020-09-04 21:10:37,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:10:37,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:10:37,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:10:37,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:10:37,540 INFO L87 Difference]: Start difference. First operand 3390 states and 3696 transitions. Second operand 19 states. [2020-09-04 21:10:38,199 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:10:40,047 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:10:41,060 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:41,402 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:42,026 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:10:42,350 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:42,964 WARN L193 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:10:43,337 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:43,922 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:10:44,541 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:10:45,196 WARN L193 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:10:45,791 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 194 [2020-09-04 21:10:46,085 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:10:49,175 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:49,505 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:50,705 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:10:51,959 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:10:52,296 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:10:52,907 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:10:53,214 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:10:53,837 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:10:54,152 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:10:54,737 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:10:55,083 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:10:55,453 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:10:55,787 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:11:01,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:01,870 INFO L93 Difference]: Finished difference Result 9142 states and 10911 transitions. [2020-09-04 21:11:01,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-09-04 21:11:01,870 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 504 [2020-09-04 21:11:01,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:01,909 INFO L225 Difference]: With dead ends: 9142 [2020-09-04 21:11:01,909 INFO L226 Difference]: Without dead ends: 7142 [2020-09-04 21:11:01,923 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 170 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5679 ImplicationChecksByTransitivity, 13.2s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-09-04 21:11:01,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7142 states. [2020-09-04 21:11:03,555 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7142 to 4153. [2020-09-04 21:11:03,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4153 states. [2020-09-04 21:11:03,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4153 states to 4153 states and 4511 transitions. [2020-09-04 21:11:03,562 INFO L78 Accepts]: Start accepts. Automaton has 4153 states and 4511 transitions. Word has length 504 [2020-09-04 21:11:03,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:03,562 INFO L479 AbstractCegarLoop]: Abstraction has 4153 states and 4511 transitions. [2020-09-04 21:11:03,563 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:11:03,563 INFO L276 IsEmpty]: Start isEmpty. Operand 4153 states and 4511 transitions. [2020-09-04 21:11:03,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 596 [2020-09-04 21:11:03,570 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:03,571 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:11:03,571 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:11:03,571 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:03,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:03,572 INFO L82 PathProgramCache]: Analyzing trace with hash 604620519, now seen corresponding path program 1 times [2020-09-04 21:11:03,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:03,572 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1456542094] [2020-09-04 21:11:03,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,015 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:04,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:04,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:04,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:04,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:11:04,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:11:04,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:11:04,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:11:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:04,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:11:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:11:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:11:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:11:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:04,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:04,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:11:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:11:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-09-04 21:11:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 21:11:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 21:11:04,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:11:04,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:11:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:11:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-09-04 21:11:04,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:11:04,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 21:11:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:11:04,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:11:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 500 [2020-09-04 21:11:04,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-09-04 21:11:04,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 517 [2020-09-04 21:11:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-09-04 21:11:04,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:04,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:04,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 572 [2020-09-04 21:11:04,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2020-09-04 21:11:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:04,680 INFO L134 CoverageAnalysis]: Checked inductivity of 781 backedges. 256 proven. 7 refuted. 0 times theorem prover too weak. 518 trivial. 0 not checked. [2020-09-04 21:11:04,680 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1456542094] [2020-09-04 21:11:04,680 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:11:04,680 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:11:04,680 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788699782] [2020-09-04 21:11:04,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:11:04,681 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:04,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:11:04,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:11:04,682 INFO L87 Difference]: Start difference. First operand 4153 states and 4511 transitions. Second operand 18 states. [2020-09-04 21:11:05,350 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:06,343 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:07,616 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:08,581 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:11:08,917 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:11:09,522 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:11:09,848 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:11:10,442 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:11:10,769 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:11:11,340 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:11:18,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:18,530 INFO L93 Difference]: Finished difference Result 8573 states and 9936 transitions. [2020-09-04 21:11:18,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-09-04 21:11:18,530 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 595 [2020-09-04 21:11:18,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:18,562 INFO L225 Difference]: With dead ends: 8573 [2020-09-04 21:11:18,562 INFO L226 Difference]: Without dead ends: 5865 [2020-09-04 21:11:18,572 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 161 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1744 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1049, Invalid=4207, Unknown=0, NotChecked=0, Total=5256 [2020-09-04 21:11:18,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5865 states. [2020-09-04 21:11:20,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5865 to 3897. [2020-09-04 21:11:20,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3897 states. [2020-09-04 21:11:20,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3897 states to 3897 states and 4192 transitions. [2020-09-04 21:11:20,051 INFO L78 Accepts]: Start accepts. Automaton has 3897 states and 4192 transitions. Word has length 595 [2020-09-04 21:11:20,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:20,052 INFO L479 AbstractCegarLoop]: Abstraction has 3897 states and 4192 transitions. [2020-09-04 21:11:20,052 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:11:20,052 INFO L276 IsEmpty]: Start isEmpty. Operand 3897 states and 4192 transitions. [2020-09-04 21:11:20,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-09-04 21:11:20,059 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:20,059 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:11:20,059 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:11:20,059 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:20,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:20,060 INFO L82 PathProgramCache]: Analyzing trace with hash -281354309, now seen corresponding path program 2 times [2020-09-04 21:11:20,060 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:20,060 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665809546] [2020-09-04 21:11:20,060 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,503 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:20,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:20,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:11:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:11:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:11:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:11:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:20,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:20,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:11:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:11:20,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:11:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:11:20,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:20,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:20,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:11:20,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:11:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-09-04 21:11:20,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 21:11:20,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 21:11:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:11:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:20,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:11:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:11:20,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-09-04 21:11:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-09-04 21:11:20,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-09-04 21:11:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:11:20,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:20,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:11:20,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:11:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 21:11:20,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-09-04 21:11:20,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-09-04 21:11:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:20,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-09-04 21:11:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:20,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:20,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-09-04 21:11:20,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:20,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-09-04 21:11:20,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:21,253 INFO L134 CoverageAnalysis]: Checked inductivity of 838 backedges. 249 proven. 13 refuted. 0 times theorem prover too weak. 576 trivial. 0 not checked. [2020-09-04 21:11:21,254 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665809546] [2020-09-04 21:11:21,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:11:21,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-09-04 21:11:21,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1454499371] [2020-09-04 21:11:21,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:11:21,256 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:21,256 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:11:21,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:11:21,256 INFO L87 Difference]: Start difference. First operand 3897 states and 4192 transitions. Second operand 15 states. [2020-09-04 21:11:21,846 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:22,655 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:23,680 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:27,538 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:32,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:32,285 INFO L93 Difference]: Finished difference Result 9336 states and 10830 transitions. [2020-09-04 21:11:32,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2020-09-04 21:11:32,286 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 606 [2020-09-04 21:11:32,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:32,306 INFO L225 Difference]: With dead ends: 9336 [2020-09-04 21:11:32,307 INFO L226 Difference]: Without dead ends: 6884 [2020-09-04 21:11:32,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 182 SyntacticMatches, 5 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2620 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1284, Invalid=6026, Unknown=0, NotChecked=0, Total=7310 [2020-09-04 21:11:32,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6884 states. [2020-09-04 21:11:33,946 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6884 to 4401. [2020-09-04 21:11:33,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4401 states. [2020-09-04 21:11:33,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4401 states to 4401 states and 4731 transitions. [2020-09-04 21:11:33,953 INFO L78 Accepts]: Start accepts. Automaton has 4401 states and 4731 transitions. Word has length 606 [2020-09-04 21:11:33,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:33,953 INFO L479 AbstractCegarLoop]: Abstraction has 4401 states and 4731 transitions. [2020-09-04 21:11:33,954 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:11:33,954 INFO L276 IsEmpty]: Start isEmpty. Operand 4401 states and 4731 transitions. [2020-09-04 21:11:33,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 607 [2020-09-04 21:11:33,963 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:11:33,964 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:11:33,964 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 21:11:33,964 INFO L427 AbstractCegarLoop]: === Iteration 19 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:11:33,964 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:11:33,965 INFO L82 PathProgramCache]: Analyzing trace with hash -2069772295, now seen corresponding path program 1 times [2020-09-04 21:11:33,965 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:11:33,965 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2128612188] [2020-09-04 21:11:33,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:11:34,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,594 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:11:34,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:11:34,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:11:34,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:11:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:11:34,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:11:34,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:11:34,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:11:34,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:11:34,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:11:34,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:34,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-09-04 21:11:34,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:11:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:11:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:11:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:34,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-09-04 21:11:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:11:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 315 [2020-09-04 21:11:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-04 21:11:34,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-09-04 21:11:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:11:34,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:11:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:11:34,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:11:34,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:11:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:11:34,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-09-04 21:11:34,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-09-04 21:11:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-09-04 21:11:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:11:34,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:34,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:34,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-09-04 21:11:34,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:11:34,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 510 [2020-09-04 21:11:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 523 [2020-09-04 21:11:34,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 528 [2020-09-04 21:11:34,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:11:34,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-09-04 21:11:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:11:34,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:11:34,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:11:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 583 [2020-09-04 21:11:34,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:34,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-09-04 21:11:34,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:11:35,068 INFO L134 CoverageAnalysis]: Checked inductivity of 832 backedges. 204 proven. 23 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2020-09-04 21:11:35,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2128612188] [2020-09-04 21:11:35,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:11:35,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:11:35,069 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017914395] [2020-09-04 21:11:35,071 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:11:35,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:11:35,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:11:35,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:11:35,072 INFO L87 Difference]: Start difference. First operand 4401 states and 4731 transitions. Second operand 17 states. [2020-09-04 21:11:35,712 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:36,611 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:37,719 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:11:38,652 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:38,973 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:11:39,335 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:39,652 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:11:39,987 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:40,313 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:11:40,616 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:11:46,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:11:46,070 INFO L93 Difference]: Finished difference Result 8629 states and 9794 transitions. [2020-09-04 21:11:46,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2020-09-04 21:11:46,070 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 606 [2020-09-04 21:11:46,072 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:11:46,074 INFO L225 Difference]: With dead ends: 8629 [2020-09-04 21:11:46,075 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:11:46,094 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 169 SyntacticMatches, 1 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1565 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=994, Invalid=3836, Unknown=0, NotChecked=0, Total=4830 [2020-09-04 21:11:46,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:11:46,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:11:46,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:11:46,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:11:46,096 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 606 [2020-09-04 21:11:46,097 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:11:46,097 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:11:46,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:11:46,097 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:11:46,097 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:11:46,097 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-09-04 21:11:46,100 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:11:46,333 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:11:46,738 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:11:46,924 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:11:47,323 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:11:47,793 WARN L193 SmtUtils]: Spent 465.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 21:11:48,172 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:11:48,534 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 21:11:48,937 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:11:49,304 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:11:50,643 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-09-04 21:11:51,033 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:11:52,248 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:11:52,808 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 21:11:52,979 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:11:53,571 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 197 [2020-09-04 21:11:53,941 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:11:54,338 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:11:55,263 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:11:55,441 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:11:55,823 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 21:11:57,062 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-09-04 21:11:57,240 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:11:57,623 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-09-04 21:11:57,953 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-04 21:11:58,125 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:11:58,664 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:11:59,001 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 197 [2020-09-04 21:11:59,179 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:11:59,982 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:12:00,351 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:01,538 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:12:01,719 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:01,897 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:12:02,283 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:02,465 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:12:02,646 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:12:02,816 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:12:03,217 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:03,592 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:12:04,182 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 197 [2020-09-04 21:12:05,371 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:12:05,739 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:06,538 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:12:06,864 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-04 21:12:07,403 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:12:07,774 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-09-04 21:12:08,111 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 197 [2020-09-04 21:12:08,281 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:12:09,207 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:12:09,582 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 21:12:09,749 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:12:10,128 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:10,506 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:11,793 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-09-04 21:12:12,180 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:12:13,376 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:12:13,743 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:12:14,199 WARN L193 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 21:12:14,559 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 21:12:14,946 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 21:12:16,155 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-09-04 21:12:16,345 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:16,525 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:16,706 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:17,094 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:17,276 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:17,470 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:17,862 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:18,255 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:19,186 WARN L193 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-09-04 21:12:19,630 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:12:21,380 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-09-04 21:12:21,814 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:12:22,256 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:12:22,697 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:12:23,130 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:12:24,803 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-09-04 21:12:25,360 WARN L193 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 217 [2020-09-04 21:12:25,792 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:12:26,237 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:12:27,978 WARN L193 SmtUtils]: Spent 1.74 s on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-09-04 21:12:28,406 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:12:28,946 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-09-04 21:12:29,380 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:12:30,310 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 253 [2020-09-04 21:12:30,734 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:12:31,167 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:12:31,608 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:12:33,278 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 243 DAG size of output: 230 [2020-09-04 21:12:33,707 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:34,095 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:34,471 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:34,646 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:35,036 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:35,683 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 21:12:36,068 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:12:36,454 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:36,645 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:12:37,314 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 201 [2020-09-04 21:12:37,502 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:12:38,134 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 21:12:38,893 WARN L193 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 203 [2020-09-04 21:12:39,069 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:39,245 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:39,421 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:39,597 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:39,782 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:12:39,953 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:40,129 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:40,506 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:40,882 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:12:41,058 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:41,239 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:41,791 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:42,178 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:42,554 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:42,933 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:43,124 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:12:43,507 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:12:43,693 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:12:44,079 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:12:44,448 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:12:44,635 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:12:44,817 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:12:44,992 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:45,380 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:12:45,554 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:45,931 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:46,531 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 21:12:46,712 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:48,067 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 228 DAG size of output: 214 [2020-09-04 21:12:48,446 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:48,834 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:50,217 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-09-04 21:12:50,605 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:12:50,981 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:51,481 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 199 [2020-09-04 21:12:51,950 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 196 [2020-09-04 21:12:52,561 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 21:12:53,066 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 21:12:53,238 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:54,390 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:12:54,562 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:54,754 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:12:54,926 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:55,303 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:12:55,489 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:12:55,874 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:12:57,041 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:12:57,629 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 21:12:57,802 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:12:58,185 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:12:58,569 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:12:58,948 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:12:59,332 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:13:00,694 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 249 DAG size of output: 246 [2020-09-04 21:13:01,192 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 21:13:01,369 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:13:01,971 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 200 [2020-09-04 21:13:02,143 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:13:02,329 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:13:02,686 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:13:03,073 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:13:03,462 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:13:03,645 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:03,815 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:13:04,193 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:13:04,364 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:13:04,749 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:13:04,925 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:05,101 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:05,277 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:05,454 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:05,826 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:13:06,203 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:13:06,579 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:13:06,755 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:06,927 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:13:07,104 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:07,470 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:13:07,861 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:13:08,230 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:13:08,407 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:13:08,578 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:13:08,933 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-09-04 21:13:09,306 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:13:09,696 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:13:10,087 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:13:10,474 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:13:10,908 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 200 [2020-09-04 21:13:11,273 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 21:13:11,653 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:13:13,152 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 21:13:13,509 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:13:13,997 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 21:13:14,172 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:13:15,566 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 228 DAG size of output: 216 [2020-09-04 21:13:15,937 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:13:16,307 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:13:16,672 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 199 [2020-09-04 21:13:17,046 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 200 [2020-09-04 21:13:17,355 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-04 21:13:17,549 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:17,725 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:17,901 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:13:18,358 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 21:13:18,746 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:13:19,135 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:13:19,511 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:13:20,932 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 21:13:52,834 WARN L193 SmtUtils]: Spent 31.90 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-09-04 21:14:08,509 WARN L193 SmtUtils]: Spent 15.67 s on a formula simplification. DAG size of input: 1073 DAG size of output: 729 [2020-09-04 21:14:08,808 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 21:14:09,539 WARN L193 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 253 [2020-09-04 21:14:09,837 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 21:14:10,407 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:14:10,697 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:14:11,732 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 227 [2020-09-04 21:14:12,254 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:14:12,828 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-09-04 21:14:13,410 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 21:14:13,993 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 21:14:14,567 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:14:14,855 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:14:15,933 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 252 DAG size of output: 229 [2020-09-04 21:14:16,303 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 218 [2020-09-04 21:14:16,876 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 245 [2020-09-04 21:14:17,171 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 21:14:17,755 WARN L193 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 21:14:18,788 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 227 [2020-09-04 21:14:19,314 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:14:19,877 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 243 [2020-09-04 21:14:20,403 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:14:20,747 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 216 [2020-09-04 21:14:21,325 WARN L193 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:14:22,080 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 255 [2020-09-04 21:14:22,643 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 243 [2020-09-04 21:14:23,214 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:14:23,797 WARN L193 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 246 [2020-09-04 21:14:24,877 WARN L193 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 252 DAG size of output: 229 [2020-09-04 21:14:25,068 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:14:25,471 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:14:25,657 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:14:26,074 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:14:26,266 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:14:26,669 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:14:26,863 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:14:27,045 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:14:27,236 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:14:27,648 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:14:27,834 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:14:28,021 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:14:28,435 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:14:28,616 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:14:28,804 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:14:29,214 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:14:29,841 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 21:14:30,037 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:14:30,222 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:14:30,868 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 21:14:31,065 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:14:31,256 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:14:32,473 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 21:14:32,700 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:14:34,496 WARN L193 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2020-09-04 21:14:34,937 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:14:35,388 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:14:37,197 WARN L193 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 253 DAG size of output: 251 [2020-09-04 21:14:37,648 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:14:38,086 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:14:39,122 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:14:39,825 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2020-09-04 21:14:40,888 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 21:14:41,889 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 21:14:42,300 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:14:43,943 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 249 DAG size of output: 248 [2020-09-04 21:14:44,354 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:14:44,590 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-09-04 21:14:44,804 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:14:45,243 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:14:45,676 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:14:46,122 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:14:47,765 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 251 DAG size of output: 250 [2020-09-04 21:14:48,768 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 248 DAG size of output: 238 [2020-09-04 21:14:48,982 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:14:49,428 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:14:49,874 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:14:50,317 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:14:50,762 WARN L193 SmtUtils]: Spent 444.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:14:52,616 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 255 DAG size of output: 253 [2020-09-04 21:14:53,442 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:14:53,859 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:14:54,882 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:14:55,096 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-09-04 21:14:55,326 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 213 [2020-09-04 21:14:55,997 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:14:56,414 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:14:56,866 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:14:57,294 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:14:57,701 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:14:58,140 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:14:58,550 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:14:58,997 WARN L193 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:14:59,415 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:14:59,633 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 21:15:00,050 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:15:00,270 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 21:15:00,704 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:15:01,142 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:15:01,582 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 244 [2020-09-04 21:15:01,801 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 21:15:02,015 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 210 [2020-09-04 21:15:02,240 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 21:15:03,011 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:15:03,481 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:15:03,912 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:15:04,132 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-09-04 21:15:04,541 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:15:05,211 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:15:05,646 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:15:06,098 WARN L193 SmtUtils]: Spent 446.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 245 [2020-09-04 21:15:06,552 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:15:06,970 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:15:07,695 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 219 [2020-09-04 21:15:08,374 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2020-09-04 21:15:08,817 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification that was a NOOP. DAG size: 245 [2020-09-04 21:15:10,442 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-09-04 21:15:10,972 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 216 [2020-09-04 21:15:11,791 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 220 [2020-09-04 21:15:12,008 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-09-04 21:15:13,788 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 243 DAG size of output: 232 [2020-09-04 21:15:14,220 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:15:14,652 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:15:15,417 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:15:16,713 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:15:17,229 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 214 [2020-09-04 21:15:17,661 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:15:17,880 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 21:15:18,098 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-09-04 21:15:18,953 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 21:15:19,371 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:15:19,822 WARN L193 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2020-09-04 21:15:20,260 WARN L193 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 243 [2020-09-04 21:15:21,904 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-09-04 21:15:23,279 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 238 DAG size of output: 203 [2020-09-04 21:15:23,990 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:15:24,705 WARN L193 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:15:25,409 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:15:26,216 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 247 [2020-09-04 21:15:26,941 WARN L193 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:15:27,738 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 245 [2020-09-04 21:15:28,451 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:15:29,834 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2020-09-04 21:15:30,557 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:15:31,286 WARN L193 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:15:31,999 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:15:33,366 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 238 DAG size of output: 203 [2020-09-04 21:15:34,081 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 238 [2020-09-04 21:15:34,412 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 200 [2020-09-04 21:15:35,125 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:15:36,506 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 236 DAG size of output: 202 [2020-09-04 21:15:37,236 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:15:37,939 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:15:38,258 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 198 [2020-09-04 21:15:38,865 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:15:39,298 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:15:39,720 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:15:39,924 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:15:40,362 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:15:41,160 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-09-04 21:15:41,589 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:15:42,022 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:15:42,245 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-09-04 21:15:43,046 WARN L193 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-09-04 21:15:43,266 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 21:15:44,075 WARN L193 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-09-04 21:15:44,874 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 211 [2020-09-04 21:15:45,082 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:15:45,289 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:15:45,497 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:15:45,704 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:15:45,921 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-09-04 21:15:46,123 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:15:46,330 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:15:46,752 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:15:47,173 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:15:47,381 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:15:47,593 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:15:48,027 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:15:48,460 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:15:48,882 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:15:49,306 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:15:49,529 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 208 [2020-09-04 21:15:49,958 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:15:50,181 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-09-04 21:15:50,612 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:15:51,026 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:15:51,245 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 206 [2020-09-04 21:15:51,458 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:15:51,664 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:15:52,094 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:15:52,299 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:15:52,677 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:16:17,685 WARN L193 SmtUtils]: Spent 25.00 s on a formula simplification. DAG size of input: 1299 DAG size of output: 895 [2020-09-04 21:16:18,138 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:16:18,552 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:16:19,004 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:16:19,420 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:16:19,829 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 236 [2020-09-04 21:16:20,242 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 237 [2020-09-04 21:16:20,680 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:16:21,115 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 242 [2020-09-04 21:16:21,569 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:16:21,771 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:16:22,188 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:16:22,390 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:16:22,588 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:16:22,789 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:16:22,981 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:16:23,406 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:16:23,597 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:16:23,794 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:16:23,992 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:16:24,419 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:16:24,837 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:16:25,039 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:16:25,236 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:16:25,655 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:16:25,846 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:16:26,224 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:16:26,613 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:27,000 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:27,387 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:27,776 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:28,423 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 21:16:28,807 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:16:28,997 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:16:29,667 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 201 [2020-09-04 21:16:29,854 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:16:30,484 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 21:16:30,663 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:16:31,421 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 203 [2020-09-04 21:16:31,597 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:16:31,782 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:16:31,958 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:16:32,129 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:16:32,305 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:16:32,681 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:16:33,057 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:16:33,233 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:16:33,409 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:16:33,590 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:16:33,983 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:34,359 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:16:34,747 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:16:35,123 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:16:35,314 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:16:35,698 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:16:35,884 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:16:36,269 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:16:36,638 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:16:36,814 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:16:37,000 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:16:37,183 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:16:37,354 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:16:37,740 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:16:38,133 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-09-04 21:16:38,885 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:16:39,640 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:16:40,485 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:16:41,256 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:16:42,009 WARN L193 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:16:42,397 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-09-04 21:16:42,777 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 33 [2020-09-04 21:16:43,544 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:16:44,315 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:16:44,690 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-09-04 21:16:45,070 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-09-04 21:16:45,901 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 236 [2020-09-04 21:16:46,653 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:16:47,025 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 31 [2020-09-04 21:16:47,400 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 32 [2020-09-04 21:16:47,788 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-09-04 21:16:48,170 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-09-04 21:16:48,938 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:16:49,686 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:16:50,456 WARN L193 SmtUtils]: Spent 767.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 242 [2020-09-04 21:16:50,838 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 34 [2020-09-04 21:16:53,678 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 197 [2020-09-04 21:16:54,868 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:16:55,237 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:16:56,035 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:16:56,361 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 195 [2020-09-04 21:16:56,898 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:16:57,270 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 198 [2020-09-04 21:16:57,607 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 197 [2020-09-04 21:16:57,776 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:16:58,702 WARN L193 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:16:59,076 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 196 [2020-09-04 21:16:59,242 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:16:59,620 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:16:59,992 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:01,277 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 220 DAG size of output: 206 [2020-09-04 21:17:01,661 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:02,850 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 222 DAG size of output: 210 [2020-09-04 21:17:03,217 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 197 [2020-09-04 21:17:03,673 WARN L193 SmtUtils]: Spent 453.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 198 [2020-09-04 21:17:04,032 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 21:17:04,419 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 200 [2020-09-04 21:17:05,630 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 220 DAG size of output: 208 [2020-09-04 21:17:09,157 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:09,538 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:09,914 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:10,284 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:10,668 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:11,044 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:11,428 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:11,798 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:12,168 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:17:12,564 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:12,962 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:13,351 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:17:13,730 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:17:14,109 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:17:51,021 WARN L193 SmtUtils]: Spent 36.90 s on a formula simplification. DAG size of input: 1558 DAG size of output: 1046 [2020-09-04 21:17:51,200 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:17:51,588 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:51,765 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:17:52,165 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:52,347 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:17:52,734 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:52,917 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:17:53,090 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:17:53,270 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:17:53,667 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:53,842 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:17:54,019 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:17:54,413 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:17:54,590 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:17:54,776 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:17:55,177 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:17:59,618 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:18:00,318 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 250 [2020-09-04 21:18:00,755 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:18:01,702 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 218 [2020-09-04 21:18:02,135 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:18:02,577 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:18:03,017 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:18:03,449 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:18:04,402 WARN L193 SmtUtils]: Spent 948.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-09-04 21:18:04,637 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-09-04 21:18:05,070 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 244 [2020-09-04 21:18:05,519 WARN L193 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:18:06,457 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 218 [2020-09-04 21:18:06,886 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:18:07,115 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 213 [2020-09-04 21:18:07,548 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:18:08,262 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-09-04 21:18:08,687 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:18:09,120 WARN L193 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:18:09,560 WARN L193 SmtUtils]: Spent 439.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:18:10,509 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-09-04 21:18:10,710 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:18:11,127 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:18:11,324 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:18:11,754 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:18:11,957 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:18:12,374 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:18:12,577 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:18:12,770 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:18:12,971 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-09-04 21:18:13,398 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:18:13,594 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-09-04 21:18:13,791 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:18:14,216 WARN L193 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:18:14,407 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:18:14,605 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:18:15,025 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:18:15,421 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:18:15,602 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:18:15,784 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:18:16,179 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:18:16,367 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 200 [2020-09-04 21:18:16,765 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:18:16,943 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:18:17,119 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:18:48,630 WARN L193 SmtUtils]: Spent 31.49 s on a formula simplification. DAG size of input: 1491 DAG size of output: 1047 [2020-09-04 21:18:51,490 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:18:51,862 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:18:53,055 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:18:53,472 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:18:53,890 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:18:54,294 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:54,720 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:18:55,124 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:18:55,543 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:18:55,946 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:56,350 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:56,774 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:18:57,180 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:57,591 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 238 [2020-09-04 21:18:57,995 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:58,413 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:18:58,831 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:18:59,241 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:18:59,776 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:18:59,910 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 21:19:00,046 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 21:19:00,593 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:19:01,159 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 243 [2020-09-04 21:19:01,721 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2020-09-04 21:19:02,287 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2020-09-04 21:19:02,425 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 21:19:03,001 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:19:04,020 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 248 DAG size of output: 222 [2020-09-04 21:19:04,595 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:19:05,625 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 224 [2020-09-04 21:19:05,981 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 216 [2020-09-04 21:19:06,513 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:19:07,077 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 243 [2020-09-04 21:19:07,216 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 21:19:07,789 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:19:08,332 WARN L193 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:19:08,887 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 241 [2020-09-04 21:19:09,905 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 248 DAG size of output: 222 [2020-09-04 21:19:10,449 WARN L193 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:19:10,795 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 214 [2020-09-04 21:19:11,360 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2020-09-04 21:19:12,108 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 253 [2020-09-04 21:19:12,661 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 241 [2020-09-04 21:19:13,238 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 244 [2020-09-04 21:19:13,371 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 35 [2020-09-04 21:19:13,934 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 242 [2020-09-04 21:19:14,958 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 224 [2020-09-04 21:19:15,501 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:19:15,635 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 35 [2020-09-04 21:19:16,173 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:19:16,310 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 21:19:16,447 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 36 [2020-09-04 21:19:17,167 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 251 [2020-09-04 21:19:17,708 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:19:18,100 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:18,730 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 21:19:19,122 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:19,512 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:19,895 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:20,080 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:19:20,478 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:21,134 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:19:21,532 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:21,917 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:22,559 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:19:22,951 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:23,602 WARN L193 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 21:19:24,001 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:24,630 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 21:19:25,030 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:25,423 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:25,816 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:26,007 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:19:26,653 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 21:19:27,026 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:27,458 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:27,867 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:28,265 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:28,454 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:19:28,867 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:29,656 WARN L193 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 205 [2020-09-04 21:19:30,063 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:30,472 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:30,682 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 21:19:31,403 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 205 [2020-09-04 21:19:31,611 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:19:32,321 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 207 [2020-09-04 21:19:33,082 WARN L193 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 207 [2020-09-04 21:19:33,273 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:19:33,464 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:19:33,658 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:19:33,850 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:19:34,050 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:19:34,237 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:19:34,428 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:19:34,826 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:35,225 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:19:35,417 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:19:35,613 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:19:36,023 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:36,432 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:19:36,831 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:37,232 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:19:37,438 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 204 [2020-09-04 21:19:37,844 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:38,046 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:19:38,453 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:38,845 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:19:39,047 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 202 [2020-09-04 21:19:39,244 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:19:39,433 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:19:39,840 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:19:40,028 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:19:40,412 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:40,788 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:40,973 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:19:41,350 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:19:41,515 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:19:41,700 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:19:41,865 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:19:43,278 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 21:19:44,695 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 21:19:45,292 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 21:19:46,242 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 21:19:46,840 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 21:19:47,791 WARN L193 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 21:19:48,388 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 21:19:48,558 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:19:49,509 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 21:19:50,106 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 198 [2020-09-04 21:19:51,057 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 242 [2020-09-04 21:19:51,227 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:19:51,602 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:19:51,773 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:19:51,944 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:19:52,116 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:19:52,288 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:19:53,704 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 21:19:53,885 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:19:54,051 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:19:55,464 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 21:19:55,646 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:19:55,811 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:19:57,311 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 21:19:58,728 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 21:20:00,147 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 226 DAG size of output: 211 [2020-09-04 21:20:00,701 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 21:20:01,250 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 21:20:01,629 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:02,000 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:03,503 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 21:20:03,867 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 21:20:04,037 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:20:05,538 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 21:20:05,709 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:20:06,073 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 21:20:07,572 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 21:20:07,936 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 21:20:09,432 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 21:20:09,798 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 198 [2020-09-04 21:20:10,175 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:10,340 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:20:10,720 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:10,885 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:20:11,241 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-09-04 21:20:11,596 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 197 [2020-09-04 21:20:11,766 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:20:13,263 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 21:20:14,763 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2020-09-04 21:20:14,933 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 195 [2020-09-04 21:20:15,313 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:15,688 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:16,144 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 21:20:16,601 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 21:20:17,057 WARN L193 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 21:20:17,515 WARN L193 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 198 [2020-09-04 21:20:18,584 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:20:19,638 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:20:20,692 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:20:21,745 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:20:22,110 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:20:22,482 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:20:22,838 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 196 [2020-09-04 21:20:23,210 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:20:23,760 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 21:20:24,308 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 200 [2020-09-04 21:20:24,679 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:25,050 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:20:25,675 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-09-04 21:20:26,100 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:20:26,639 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 209 [2020-09-04 21:20:27,178 WARN L193 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-09-04 21:20:28,530 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-09-04 21:20:28,965 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:20:30,449 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 239 DAG size of output: 226 [2020-09-04 21:20:30,998 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 216 [2020-09-04 21:20:31,607 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 215 [2020-09-04 21:20:32,025 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:20:33,444 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 257 DAG size of output: 246 [2020-09-04 21:20:34,063 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 213 [2020-09-04 21:20:35,426 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 237 DAG size of output: 221 [2020-09-04 21:20:35,975 WARN L193 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 214 [2020-09-04 21:20:36,494 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 212 [2020-09-04 21:20:36,697 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 209 [2020-09-04 21:20:37,305 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 212 [2020-09-04 21:20:37,859 WARN L193 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-09-04 21:20:39,028 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 255 DAG size of output: 245 [2020-09-04 21:20:39,446 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:20:40,935 WARN L193 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:20:41,143 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 207 [2020-09-04 21:20:42,467 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 235 DAG size of output: 203 [2020-09-04 21:20:43,000 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:20:43,536 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:20:44,061 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:20:44,736 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-09-04 21:20:45,286 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:20:45,944 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 21:20:46,477 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:20:47,921 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2020-09-04 21:20:48,465 WARN L193 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:20:49,013 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:20:49,549 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:20:50,869 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 235 DAG size of output: 203 [2020-09-04 21:20:51,406 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:20:51,716 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 200 [2020-09-04 21:20:52,253 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:20:53,693 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 233 DAG size of output: 218 [2020-09-04 21:20:54,244 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:20:54,769 WARN L193 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:20:55,066 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 198 [2020-09-04 21:21:18,490 WARN L193 SmtUtils]: Spent 23.42 s on a formula simplification. DAG size of input: 1232 DAG size of output: 868 [2020-09-04 21:21:18,870 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:19,063 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:21:19,446 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:19,631 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:21:20,279 WARN L193 SmtUtils]: Spent 645.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 202 [2020-09-04 21:21:20,663 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:20,841 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:21:21,231 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:21,407 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:21:21,784 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:21:22,160 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:22,346 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 198 [2020-09-04 21:21:22,517 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:21:23,143 WARN L193 SmtUtils]: Spent 624.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 203 [2020-09-04 21:21:23,324 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:21:23,500 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:21:23,886 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:24,255 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:21:24,645 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:25,021 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:25,398 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:21:25,785 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:21:25,975 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 200 [2020-09-04 21:21:26,361 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:21:26,810 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 199 [2020-09-04 21:21:27,183 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:21:27,631 WARN L193 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 199 [2020-09-04 21:21:28,050 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 198 [2020-09-04 21:21:28,464 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 198 [2020-09-04 21:21:28,651 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 27 [2020-09-04 21:21:28,837 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 27 [2020-09-04 21:21:29,268 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 21:21:29,691 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 21:21:30,115 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 21:21:30,538 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 21:21:30,911 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:21:31,283 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:21:31,688 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 35 [2020-09-04 21:21:32,092 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 35 [2020-09-04 21:21:32,551 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 201 [2020-09-04 21:21:32,737 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 21:21:33,195 WARN L193 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 201 [2020-09-04 21:21:33,382 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 21:21:33,567 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 21:21:33,752 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 30 [2020-09-04 21:21:34,176 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 21:21:34,600 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 200 [2020-09-04 21:21:34,974 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:21:35,345 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 30 [2020-09-04 21:21:35,803 WARN L193 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 201