/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_product61.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:25:59,284 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:25:59,288 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:25:59,333 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:25:59,333 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:25:59,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:25:59,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:25:59,349 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:25:59,352 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:25:59,355 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:25:59,356 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:25:59,358 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:25:59,358 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:25:59,361 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:25:59,362 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:25:59,364 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:25:59,366 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:25:59,367 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:25:59,369 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:25:59,375 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:25:59,378 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:25:59,380 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:25:59,381 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:25:59,382 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:25:59,386 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:25:59,387 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:25:59,387 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:25:59,390 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:25:59,390 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:25:59,392 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:25:59,392 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:25:59,393 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:25:59,394 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:25:59,395 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:25:59,396 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:25:59,396 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:25:59,397 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:25:59,397 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:25:59,397 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:25:59,398 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:25:59,399 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:25:59,400 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 21:25:59,417 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:25:59,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:25:59,419 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:25:59,419 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:25:59,419 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:25:59,420 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:25:59,420 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:25:59,420 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:25:59,420 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:25:59,421 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:25:59,422 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:25:59,422 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:25:59,422 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:25:59,422 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:25:59,423 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:25:59,423 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:25:59,423 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:25:59,423 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:25:59,423 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:25:59,424 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:25:59,424 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:25:59,424 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:25:59,424 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 21:25:59,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:25:59,864 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:25:59,868 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:25:59,870 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:25:59,871 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:25:59,872 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-09-04 21:25:59,946 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a6d5999c3/99e36e77d0104c1cac027571f71b1dc8/FLAG4c36bad52 [2020-09-04 21:26:00,532 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:26:00,533 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product61.cil.c [2020-09-04 21:26:00,549 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a6d5999c3/99e36e77d0104c1cac027571f71b1dc8/FLAG4c36bad52 [2020-09-04 21:26:00,801 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a6d5999c3/99e36e77d0104c1cac027571f71b1dc8 [2020-09-04 21:26:00,814 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:26:00,816 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:26:00,817 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:26:00,817 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:26:00,821 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:26:00,822 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:26:00" (1/1) ... [2020-09-04 21:26:00,826 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ed4b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:00, skipping insertion in model container [2020-09-04 21:26:00,826 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:26:00" (1/1) ... [2020-09-04 21:26:00,835 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:26:00,884 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:26:01,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:26:01,287 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:26:01,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:26:01,528 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:26:01,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01 WrapperNode [2020-09-04 21:26:01,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:26:01,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:26:01,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:26:01,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:26:01,544 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01" (1/1) ... [2020-09-04 21:26:01,544 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01" (1/1) ... [2020-09-04 21:26:01,568 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01" (1/1) ... [2020-09-04 21:26:01,572 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01" (1/1) ... [2020-09-04 21:26:01,611 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01" (1/1) ... [2020-09-04 21:26:01,621 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01" (1/1) ... [2020-09-04 21:26:01,626 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01" (1/1) ... [2020-09-04 21:26:01,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:26:01,634 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:26:01,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:26:01,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:26:01,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01" (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 21:26:01,711 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:26:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:26:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:26:01,712 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:26:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:26:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:26:01,713 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:26:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:26:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:26:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 21:26:01,714 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:26:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:26:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:26:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:26:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:26:01,715 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:26:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 21:26:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:26:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:26:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:26:01,716 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:26:01,722 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:26:01,724 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:26:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:26:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 21:26:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:26:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:26:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:26:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:26:01,725 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:26:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:26:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:26:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:26:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:26:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:26:01,726 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:26:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:26:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:26:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:26:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:26:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:26:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:26:01,727 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:26:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:26:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:26:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:26:01,728 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:26:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:26:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:26:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:26:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:26:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:26:01,729 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:26:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:26:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:26:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:26:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 21:26:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:26:01,730 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:26:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:26:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:26:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:26:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:26:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:26:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:26:01,731 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:26:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:26:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 21:26:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:26:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:26:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 21:26:01,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:26:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:26:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:26:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:26:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:26:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:26:01,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:26:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:26:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:26:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:26:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:26:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:26:01,734 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:26:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:26:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:26:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:26:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:26:01,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:26:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:26:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:26:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:26:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:26:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:26:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:26:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:26:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:26:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:26:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:26:01,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:26:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:26:01,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:26:02,882 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:26:02,882 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:26:02,890 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:26:02 BoogieIcfgContainer [2020-09-04 21:26:02,890 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:26:02,892 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:26:02,892 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:26:02,896 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:26:02,896 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:26:00" (1/3) ... [2020-09-04 21:26:02,897 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b6f902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:26:02, skipping insertion in model container [2020-09-04 21:26:02,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:26:01" (2/3) ... [2020-09-04 21:26:02,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@67b6f902 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:26:02, skipping insertion in model container [2020-09-04 21:26:02,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:26:02" (3/3) ... [2020-09-04 21:26:02,900 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product61.cil.c [2020-09-04 21:26:02,912 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:26:02,924 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:26:02,946 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:26:02,977 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:26:02,977 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:26:02,977 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:26:02,977 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:26:02,978 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:26:02,978 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:26:02,978 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:26:02,978 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:26:03,004 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states. [2020-09-04 21:26:03,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:26:03,030 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:03,031 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 21:26:03,032 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:03,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:03,041 INFO L82 PathProgramCache]: Analyzing trace with hash 442401887, now seen corresponding path program 1 times [2020-09-04 21:26:03,056 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:03,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1049354109] [2020-09-04 21:26:03,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:03,869 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:03,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:03,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:03,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:03,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:03,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:03,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:03,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:03,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:03,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:04,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:04,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:04,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:26:04,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:04,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:04,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:04,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:26:04,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:04,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:26:04,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:04,043 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 21:26:04,044 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1049354109] [2020-09-04 21:26:04,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:04,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:26:04,047 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749759638] [2020-09-04 21:26:04,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:26:04,054 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:04,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:26:04,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:26:04,072 INFO L87 Difference]: Start difference. First operand 359 states. Second operand 4 states. [2020-09-04 21:26:05,452 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:05,453 INFO L93 Difference]: Finished difference Result 579 states and 678 transitions. [2020-09-04 21:26:05,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:26:05,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:26:05,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:05,477 INFO L225 Difference]: With dead ends: 579 [2020-09-04 21:26:05,477 INFO L226 Difference]: Without dead ends: 356 [2020-09-04 21:26:05,484 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:26:05,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 356 states. [2020-09-04 21:26:05,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 356 to 308. [2020-09-04 21:26:05,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-09-04 21:26:05,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 338 transitions. [2020-09-04 21:26:05,657 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 338 transitions. Word has length 160 [2020-09-04 21:26:05,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:05,658 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 338 transitions. [2020-09-04 21:26:05,658 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:26:05,659 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 338 transitions. [2020-09-04 21:26:05,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:26:05,664 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:05,664 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 21:26:05,664 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:26:05,665 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:05,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:05,665 INFO L82 PathProgramCache]: Analyzing trace with hash 61425479, now seen corresponding path program 1 times [2020-09-04 21:26:05,666 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:05,666 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1612847051] [2020-09-04 21:26:05,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:05,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,067 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:06,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:06,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:06,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:06,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:26:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:26:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:26:06,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:06,196 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 21:26:06,197 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1612847051] [2020-09-04 21:26:06,197 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:06,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:26:06,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255523833] [2020-09-04 21:26:06,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:26:06,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:06,201 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:26:06,201 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:26:06,201 INFO L87 Difference]: Start difference. First operand 308 states and 338 transitions. Second operand 5 states. [2020-09-04 21:26:06,898 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:08,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:08,266 INFO L93 Difference]: Finished difference Result 508 states and 574 transitions. [2020-09-04 21:26:08,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:26:08,266 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:26:08,268 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:08,272 INFO L225 Difference]: With dead ends: 508 [2020-09-04 21:26:08,273 INFO L226 Difference]: Without dead ends: 345 [2020-09-04 21:26:08,275 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 21:26:08,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-04 21:26:08,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 298. [2020-09-04 21:26:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-09-04 21:26:08,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 325 transitions. [2020-09-04 21:26:08,349 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 325 transitions. Word has length 161 [2020-09-04 21:26:08,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:08,349 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 325 transitions. [2020-09-04 21:26:08,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:26:08,350 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 325 transitions. [2020-09-04 21:26:08,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2020-09-04 21:26:08,352 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:08,352 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:26:08,352 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:26:08,353 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:08,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:08,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1225629302, now seen corresponding path program 1 times [2020-09-04 21:26:08,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:08,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1683092816] [2020-09-04 21:26:08,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,832 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:08,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:08,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:09,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:09,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:09,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:09,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:09,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:26:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:09,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:09,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:09,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:26:09,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:09,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-09-04 21:26:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:09,075 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 21:26:09,075 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1683092816] [2020-09-04 21:26:09,076 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:09,076 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:26:09,076 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143201485] [2020-09-04 21:26:09,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:26:09,077 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:09,077 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:26:09,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:26:09,078 INFO L87 Difference]: Start difference. First operand 298 states and 325 transitions. Second operand 10 states. [2020-09-04 21:26:09,628 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:10,059 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:10,373 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:26:10,694 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:11,008 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:26:11,315 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:13,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:13,240 INFO L93 Difference]: Finished difference Result 528 states and 600 transitions. [2020-09-04 21:26:13,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 21:26:13,242 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 170 [2020-09-04 21:26:13,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:13,245 INFO L225 Difference]: With dead ends: 528 [2020-09-04 21:26:13,246 INFO L226 Difference]: Without dead ends: 345 [2020-09-04 21:26:13,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:26:13,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-09-04 21:26:13,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 298. [2020-09-04 21:26:13,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-09-04 21:26:13,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 324 transitions. [2020-09-04 21:26:13,331 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 324 transitions. Word has length 170 [2020-09-04 21:26:13,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:13,332 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 324 transitions. [2020-09-04 21:26:13,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:26:13,332 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 324 transitions. [2020-09-04 21:26:13,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-09-04 21:26:13,335 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:13,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:26:13,335 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:26:13,335 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:13,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:13,336 INFO L82 PathProgramCache]: Analyzing trace with hash -2117137361, now seen corresponding path program 1 times [2020-09-04 21:26:13,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:13,336 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [915215096] [2020-09-04 21:26:13,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:13,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,703 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:13,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:13,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:13,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:26:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:26:13,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:13,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-09-04 21:26:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-09-04 21:26:13,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:13,979 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 21:26:13,980 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [915215096] [2020-09-04 21:26:13,980 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:13,981 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 21:26:13,981 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050627953] [2020-09-04 21:26:13,982 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 21:26:13,982 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:13,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 21:26:13,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:26:13,983 INFO L87 Difference]: Start difference. First operand 298 states and 324 transitions. Second operand 7 states. [2020-09-04 21:26:14,673 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:16,683 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:17,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:17,431 INFO L93 Difference]: Finished difference Result 687 states and 788 transitions. [2020-09-04 21:26:17,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:26:17,431 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 188 [2020-09-04 21:26:17,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:17,440 INFO L225 Difference]: With dead ends: 687 [2020-09-04 21:26:17,440 INFO L226 Difference]: Without dead ends: 504 [2020-09-04 21:26:17,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:26:17,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 504 states. [2020-09-04 21:26:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 504 to 436. [2020-09-04 21:26:17,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-09-04 21:26:17,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 471 transitions. [2020-09-04 21:26:17,598 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 471 transitions. Word has length 188 [2020-09-04 21:26:17,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:17,599 INFO L479 AbstractCegarLoop]: Abstraction has 436 states and 471 transitions. [2020-09-04 21:26:17,599 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 21:26:17,599 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 471 transitions. [2020-09-04 21:26:17,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2020-09-04 21:26:17,602 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:17,602 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 21:26:17,602 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:26:17,602 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:17,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:17,603 INFO L82 PathProgramCache]: Analyzing trace with hash -491868386, now seen corresponding path program 1 times [2020-09-04 21:26:17,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:17,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [151842841] [2020-09-04 21:26:17,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,040 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:18,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:18,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:18,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:18,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:18,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:26:18,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:18,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:26:18,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:18,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:18,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:18,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-09-04 21:26:18,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-09-04 21:26:18,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:18,253 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 21:26:18,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [151842841] [2020-09-04 21:26:18,254 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:18,254 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:26:18,254 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105294907] [2020-09-04 21:26:18,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:26:18,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:18,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:26:18,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:26:18,256 INFO L87 Difference]: Start difference. First operand 436 states and 471 transitions. Second operand 10 states. [2020-09-04 21:26:18,772 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:19,659 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:20,000 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:26:21,312 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:21,602 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:21,945 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:22,449 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:22,765 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:26:23,068 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:23,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:23,875 INFO L93 Difference]: Finished difference Result 824 states and 926 transitions. [2020-09-04 21:26:23,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-04 21:26:23,876 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 212 [2020-09-04 21:26:23,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:23,879 INFO L225 Difference]: With dead ends: 824 [2020-09-04 21:26:23,880 INFO L226 Difference]: Without dead ends: 503 [2020-09-04 21:26:23,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:26:23,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 503 states. [2020-09-04 21:26:24,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 503 to 435. [2020-09-04 21:26:24,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 435 states. [2020-09-04 21:26:24,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 435 states and 468 transitions. [2020-09-04 21:26:24,039 INFO L78 Accepts]: Start accepts. Automaton has 435 states and 468 transitions. Word has length 212 [2020-09-04 21:26:24,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:24,040 INFO L479 AbstractCegarLoop]: Abstraction has 435 states and 468 transitions. [2020-09-04 21:26:24,040 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:26:24,040 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 468 transitions. [2020-09-04 21:26:24,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-04 21:26:24,043 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:24,043 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:26:24,043 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:26:24,044 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:24,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:24,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1974370414, now seen corresponding path program 1 times [2020-09-04 21:26:24,044 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:24,045 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [711712848] [2020-09-04 21:26:24,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,364 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:24,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:24,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:24,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:24,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:24,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:24,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:24,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:26:24,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:24,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:26:24,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:24,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:24,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-04 21:26:24,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:26:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:24,751 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 21:26:24,752 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [711712848] [2020-09-04 21:26:24,753 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:24,754 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-04 21:26:24,754 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457485518] [2020-09-04 21:26:24,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-04 21:26:24,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:24,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-04 21:26:24,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-04 21:26:24,757 INFO L87 Difference]: Start difference. First operand 435 states and 468 transitions. Second operand 10 states. [2020-09-04 21:26:26,174 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:26,494 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:26:26,822 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:26:27,143 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:27,464 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:27,760 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:29,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:29,113 INFO L93 Difference]: Finished difference Result 827 states and 934 transitions. [2020-09-04 21:26:29,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-04 21:26:29,114 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 235 [2020-09-04 21:26:29,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:29,118 INFO L225 Difference]: With dead ends: 827 [2020-09-04 21:26:29,118 INFO L226 Difference]: Without dead ends: 507 [2020-09-04 21:26:29,120 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:26:29,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 507 states. [2020-09-04 21:26:29,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 507 to 443. [2020-09-04 21:26:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-09-04 21:26:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 476 transitions. [2020-09-04 21:26:29,263 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 476 transitions. Word has length 235 [2020-09-04 21:26:29,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:29,264 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 476 transitions. [2020-09-04 21:26:29,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-04 21:26:29,264 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 476 transitions. [2020-09-04 21:26:29,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-04 21:26:29,267 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:29,268 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:26:29,268 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:26:29,268 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:29,268 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:29,269 INFO L82 PathProgramCache]: Analyzing trace with hash -220207118, now seen corresponding path program 1 times [2020-09-04 21:26:29,269 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:29,269 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1039244393] [2020-09-04 21:26:29,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:29,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,701 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:29,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:29,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:29,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:29,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:26:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:26:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:29,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:29,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:29,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:29,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-04 21:26:29,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:26:29,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:29,989 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 21:26:29,995 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1039244393] [2020-09-04 21:26:29,995 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:29,996 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-09-04 21:26:29,996 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1993528679] [2020-09-04 21:26:29,996 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-09-04 21:26:29,997 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:29,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-09-04 21:26:29,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-09-04 21:26:29,997 INFO L87 Difference]: Start difference. First operand 443 states and 476 transitions. Second operand 13 states. [2020-09-04 21:26:30,548 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:30,843 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:26:31,153 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:31,459 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:31,748 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:32,834 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:33,147 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:33,474 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:33,806 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:34,105 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:35,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:35,807 INFO L93 Difference]: Finished difference Result 844 states and 952 transitions. [2020-09-04 21:26:35,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:26:35,807 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 235 [2020-09-04 21:26:35,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:35,811 INFO L225 Difference]: With dead ends: 844 [2020-09-04 21:26:35,811 INFO L226 Difference]: Without dead ends: 516 [2020-09-04 21:26:35,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-09-04 21:26:35,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-09-04 21:26:35,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 449. [2020-09-04 21:26:35,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 449 states. [2020-09-04 21:26:35,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 449 states and 482 transitions. [2020-09-04 21:26:35,929 INFO L78 Accepts]: Start accepts. Automaton has 449 states and 482 transitions. Word has length 235 [2020-09-04 21:26:35,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:35,929 INFO L479 AbstractCegarLoop]: Abstraction has 449 states and 482 transitions. [2020-09-04 21:26:35,930 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-09-04 21:26:35,930 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 482 transitions. [2020-09-04 21:26:35,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2020-09-04 21:26:35,933 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:35,933 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:26:35,933 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:26:35,934 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:35,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:35,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1551705169, now seen corresponding path program 1 times [2020-09-04 21:26:35,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:35,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1217582543] [2020-09-04 21:26:35,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:35,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,260 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:36,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:36,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:36,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:36,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:36,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:36,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-04 21:26:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:36,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-04 21:26:36,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:36,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:36,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:36,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:36,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:36,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:36,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:36,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:36,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-04 21:26:36,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-09-04 21:26:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:36,533 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 21:26:36,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1217582543] [2020-09-04 21:26:36,534 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:36,534 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-04 21:26:36,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275123442] [2020-09-04 21:26:36,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-04 21:26:36,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:36,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-04 21:26:36,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:26:36,535 INFO L87 Difference]: Start difference. First operand 449 states and 482 transitions. Second operand 7 states. [2020-09-04 21:26:37,017 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:37,698 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:40,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:40,107 INFO L93 Difference]: Finished difference Result 1105 states and 1271 transitions. [2020-09-04 21:26:40,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:26:40,107 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 235 [2020-09-04 21:26:40,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:40,114 INFO L225 Difference]: With dead ends: 1105 [2020-09-04 21:26:40,115 INFO L226 Difference]: Without dead ends: 771 [2020-09-04 21:26:40,116 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 47 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=70, Invalid=170, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:26:40,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 771 states. [2020-09-04 21:26:40,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 771 to 702. [2020-09-04 21:26:40,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 702 states. [2020-09-04 21:26:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 702 states and 774 transitions. [2020-09-04 21:26:40,329 INFO L78 Accepts]: Start accepts. Automaton has 702 states and 774 transitions. Word has length 235 [2020-09-04 21:26:40,329 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:40,330 INFO L479 AbstractCegarLoop]: Abstraction has 702 states and 774 transitions. [2020-09-04 21:26:40,330 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-04 21:26:40,330 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 774 transitions. [2020-09-04 21:26:40,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-09-04 21:26:40,333 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:40,334 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:26:40,334 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:26:40,334 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:40,334 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:40,334 INFO L82 PathProgramCache]: Analyzing trace with hash -722780298, now seen corresponding path program 1 times [2020-09-04 21:26:40,335 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:40,335 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863591015] [2020-09-04 21:26:40,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:40,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,792 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:40,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:40,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:40,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:40,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:26:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-04 21:26:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-04 21:26:40,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:40,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:40,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:41,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:41,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:41,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:41,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:41,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-09-04 21:26:41,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-04 21:26:41,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:41,116 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 21:26:41,117 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863591015] [2020-09-04 21:26:41,117 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:26:41,117 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:26:41,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [576978199] [2020-09-04 21:26:41,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:26:41,118 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:41,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:26:41,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:26:41,119 INFO L87 Difference]: Start difference. First operand 702 states and 774 transitions. Second operand 14 states. [2020-09-04 21:26:41,981 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:26:42,901 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:44,802 WARN L193 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:26:45,416 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:26:45,800 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:46,126 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:26:46,752 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:26:47,093 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:47,461 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:26:47,787 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:49,776 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:26:50,075 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:50,476 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:51,165 WARN L193 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:26:52,927 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:26:53,544 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:26:54,309 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:26:54,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:26:54,966 INFO L93 Difference]: Finished difference Result 1942 states and 2227 transitions. [2020-09-04 21:26:54,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 21:26:54,967 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-09-04 21:26:54,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:26:54,975 INFO L225 Difference]: With dead ends: 1942 [2020-09-04 21:26:54,975 INFO L226 Difference]: Without dead ends: 1463 [2020-09-04 21:26:54,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=510, Invalid=1940, Unknown=0, NotChecked=0, Total=2450 [2020-09-04 21:26:54,979 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1463 states. [2020-09-04 21:26:55,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1463 to 1283. [2020-09-04 21:26:55,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1283 states. [2020-09-04 21:26:55,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1283 states to 1283 states and 1403 transitions. [2020-09-04 21:26:55,344 INFO L78 Accepts]: Start accepts. Automaton has 1283 states and 1403 transitions. Word has length 240 [2020-09-04 21:26:55,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:26:55,344 INFO L479 AbstractCegarLoop]: Abstraction has 1283 states and 1403 transitions. [2020-09-04 21:26:55,344 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:26:55,345 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1403 transitions. [2020-09-04 21:26:55,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 351 [2020-09-04 21:26:55,350 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:26:55,351 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:26:55,351 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:26:55,351 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:26:55,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:26:55,352 INFO L82 PathProgramCache]: Analyzing trace with hash 1992199050, now seen corresponding path program 1 times [2020-09-04 21:26:55,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:26:55,352 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [683851704] [2020-09-04 21:26:55,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:26:55,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,802 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:26:55,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:26:55,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:26:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:26:55,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:26:55,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:26:55,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:26:55,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:26:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:55,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:26:55,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:55,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:55,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:26:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:56,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:26:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:26:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-09-04 21:26:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:26:56,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-09-04 21:26:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-09-04 21:26:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:26:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:26:56,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:56,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:26:56,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:26:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:26:56,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-09-04 21:26:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 337 [2020-09-04 21:26:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:26:56,340 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 33 proven. 11 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2020-09-04 21:26:56,340 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [683851704] [2020-09-04 21:26:56,341 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:26:56,341 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:26:56,341 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527617589] [2020-09-04 21:26:56,342 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:26:56,342 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:26:56,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:26:56,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:26:56,345 INFO L87 Difference]: Start difference. First operand 1283 states and 1403 transitions. Second operand 18 states. [2020-09-04 21:26:57,192 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:26:57,516 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:26:57,836 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:58,167 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:26:58,467 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:26:59,472 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:26:59,847 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:27:00,184 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:00,713 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:27:01,118 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:27:02,452 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:27:02,853 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:27:03,722 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:04,460 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:27:05,335 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:27:05,967 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:27:06,581 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:27:07,023 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:07,876 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:08,539 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:27:08,944 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:27:09,942 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:10,660 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:27:11,330 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:27:12,344 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:27:13,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:13,452 INFO L93 Difference]: Finished difference Result 2695 states and 3008 transitions. [2020-09-04 21:27:13,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-09-04 21:27:13,452 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 350 [2020-09-04 21:27:13,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:13,461 INFO L225 Difference]: With dead ends: 2695 [2020-09-04 21:27:13,461 INFO L226 Difference]: Without dead ends: 1630 [2020-09-04 21:27:13,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 11.1s TimeCoverageRelationStatistics Valid=815, Invalid=3877, Unknown=0, NotChecked=0, Total=4692 [2020-09-04 21:27:13,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2020-09-04 21:27:14,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1494. [2020-09-04 21:27:14,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1494 states. [2020-09-04 21:27:14,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1642 transitions. [2020-09-04 21:27:14,270 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1642 transitions. Word has length 350 [2020-09-04 21:27:14,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:14,271 INFO L479 AbstractCegarLoop]: Abstraction has 1494 states and 1642 transitions. [2020-09-04 21:27:14,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:27:14,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1642 transitions. [2020-09-04 21:27:14,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 540 [2020-09-04 21:27:14,286 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:14,287 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, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:27:14,287 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:27:14,287 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:14,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:14,288 INFO L82 PathProgramCache]: Analyzing trace with hash 2097461854, now seen corresponding path program 1 times [2020-09-04 21:27:14,288 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:14,288 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [919061953] [2020-09-04 21:27:14,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:14,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,669 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:14,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:14,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:14,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:14,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:14,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:14,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:14,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:27:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:14,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:14,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:27:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:15,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:15,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:15,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:15,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:15,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:27:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:15,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:15,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:15,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:15,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:27:15,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-09-04 21:27:15,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:15,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:15,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:15,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:15,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:27:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:27:15,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:15,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-09-04 21:27:15,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:15,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-09-04 21:27:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:15,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:15,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:15,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:15,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:15,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:15,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:15,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2020-09-04 21:27:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-09-04 21:27:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,474 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2020-09-04 21:27:15,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [919061953] [2020-09-04 21:27:15,475 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:27:15,475 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:27:15,475 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717877831] [2020-09-04 21:27:15,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:27:15,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:15,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:27:15,477 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:27:15,477 INFO L87 Difference]: Start difference. First operand 1494 states and 1642 transitions. Second operand 16 states. [2020-09-04 21:27:17,653 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:17,982 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:18,324 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:18,669 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:18,999 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:19,319 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:21,080 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:21,427 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:23,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:23,331 INFO L93 Difference]: Finished difference Result 3722 states and 4214 transitions. [2020-09-04 21:27:23,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-09-04 21:27:23,332 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 539 [2020-09-04 21:27:23,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:23,343 INFO L225 Difference]: With dead ends: 3722 [2020-09-04 21:27:23,344 INFO L226 Difference]: Without dead ends: 2216 [2020-09-04 21:27:23,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 122 SyntacticMatches, 4 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 229 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=292, Invalid=968, Unknown=0, NotChecked=0, Total=1260 [2020-09-04 21:27:23,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2216 states. [2020-09-04 21:27:24,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2216 to 1895. [2020-09-04 21:27:24,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1895 states. [2020-09-04 21:27:24,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1895 states to 1895 states and 2116 transitions. [2020-09-04 21:27:24,201 INFO L78 Accepts]: Start accepts. Automaton has 1895 states and 2116 transitions. Word has length 539 [2020-09-04 21:27:24,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:24,202 INFO L479 AbstractCegarLoop]: Abstraction has 1895 states and 2116 transitions. [2020-09-04 21:27:24,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:27:24,203 INFO L276 IsEmpty]: Start isEmpty. Operand 1895 states and 2116 transitions. [2020-09-04 21:27:24,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2020-09-04 21:27:24,211 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:24,212 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:27:24,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:27:24,212 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:24,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:24,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1321160663, now seen corresponding path program 1 times [2020-09-04 21:27:24,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:24,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [607041220] [2020-09-04 21:27:24,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,659 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:24,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:24,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:24,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:24,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:24,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:24,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:24,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:24,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:24,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:24,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:24,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:27:24,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:27:24,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:24,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:24,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:24,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:27:24,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:24,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:24,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:27:24,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:27:25,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-09-04 21:27:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:25,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:25,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:25,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:25,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:27:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:27:25,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:25,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-09-04 21:27:25,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:25,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-09-04 21:27:25,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:25,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:25,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:25,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:25,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:25,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:25,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:25,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:25,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-09-04 21:27:25,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 536 [2020-09-04 21:27:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 128 proven. 47 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2020-09-04 21:27:25,432 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [607041220] [2020-09-04 21:27:25,432 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:27:25,432 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:27:25,432 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761343236] [2020-09-04 21:27:25,435 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:27:25,435 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:25,436 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:27:25,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:27:25,436 INFO L87 Difference]: Start difference. First operand 1895 states and 2116 transitions. Second operand 18 states. [2020-09-04 21:27:26,037 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:26,467 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:26,804 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:27:27,132 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:27,461 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:27:27,773 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:28,739 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:29,139 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:30,890 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:31,355 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:31,807 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:32,457 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:33,567 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:33,954 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:35,492 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:35,818 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:36,133 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:37,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:37,156 INFO L93 Difference]: Finished difference Result 3553 states and 4008 transitions. [2020-09-04 21:27:37,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-09-04 21:27:37,156 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 549 [2020-09-04 21:27:37,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:37,166 INFO L225 Difference]: With dead ends: 3553 [2020-09-04 21:27:37,167 INFO L226 Difference]: Without dead ends: 1908 [2020-09-04 21:27:37,172 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 182 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 497 ImplicationChecksByTransitivity, 6.3s TimeCoverageRelationStatistics Valid=432, Invalid=1824, Unknown=0, NotChecked=0, Total=2256 [2020-09-04 21:27:37,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1908 states. [2020-09-04 21:27:38,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1908 to 1831. [2020-09-04 21:27:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1831 states. [2020-09-04 21:27:38,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1831 states and 2025 transitions. [2020-09-04 21:27:38,058 INFO L78 Accepts]: Start accepts. Automaton has 1831 states and 2025 transitions. Word has length 549 [2020-09-04 21:27:38,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:38,059 INFO L479 AbstractCegarLoop]: Abstraction has 1831 states and 2025 transitions. [2020-09-04 21:27:38,059 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:27:38,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1831 states and 2025 transitions. [2020-09-04 21:27:38,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2020-09-04 21:27:38,067 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:38,068 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:27:38,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:27:38,068 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:38,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:38,068 INFO L82 PathProgramCache]: Analyzing trace with hash -1724611589, now seen corresponding path program 1 times [2020-09-04 21:27:38,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:38,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [751515518] [2020-09-04 21:27:38,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:38,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,432 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:38,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:38,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:38,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:38,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:38,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:38,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:38,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:38,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:38,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:38,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:27:38,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:27:38,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:38,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:38,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:27:38,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:38,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:38,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:27:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:27:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 21:27:38,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:38,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:38,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:38,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:27:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:27:38,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-09-04 21:27:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-09-04 21:27:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-09-04 21:27:38,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:38,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:38,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-09-04 21:27:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-09-04 21:27:38,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:39,138 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 120 proven. 11 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2020-09-04 21:27:39,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [751515518] [2020-09-04 21:27:39,139 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:27:39,139 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-09-04 21:27:39,139 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031524239] [2020-09-04 21:27:39,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-09-04 21:27:39,140 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:39,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-09-04 21:27:39,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-09-04 21:27:39,141 INFO L87 Difference]: Start difference. First operand 1831 states and 2025 transitions. Second operand 16 states. [2020-09-04 21:27:39,700 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:41,003 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:42,778 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:43,160 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:43,578 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:43,988 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:44,316 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:44,657 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:45,004 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:27:45,379 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:45,832 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:46,258 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:27:46,614 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:47,003 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:27:49,071 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:49,729 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 195 [2020-09-04 21:27:50,348 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 21:27:50,715 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:51,091 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:27:51,446 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:27:54,176 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:54,176 INFO L93 Difference]: Finished difference Result 5262 states and 5917 transitions. [2020-09-04 21:27:54,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-09-04 21:27:54,177 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 554 [2020-09-04 21:27:54,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:54,193 INFO L225 Difference]: With dead ends: 5262 [2020-09-04 21:27:54,193 INFO L226 Difference]: Without dead ends: 3559 [2020-09-04 21:27:54,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 132 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 650 ImplicationChecksByTransitivity, 7.8s TimeCoverageRelationStatistics Valid=520, Invalid=2132, Unknown=0, NotChecked=0, Total=2652 [2020-09-04 21:27:54,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3559 states. [2020-09-04 21:27:55,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3559 to 3488. [2020-09-04 21:27:55,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3488 states. [2020-09-04 21:27:55,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3488 states to 3488 states and 3831 transitions. [2020-09-04 21:27:55,890 INFO L78 Accepts]: Start accepts. Automaton has 3488 states and 3831 transitions. Word has length 554 [2020-09-04 21:27:55,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:55,891 INFO L479 AbstractCegarLoop]: Abstraction has 3488 states and 3831 transitions. [2020-09-04 21:27:55,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-09-04 21:27:55,891 INFO L276 IsEmpty]: Start isEmpty. Operand 3488 states and 3831 transitions. [2020-09-04 21:27:55,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2020-09-04 21:27:55,902 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:55,902 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:27:55,902 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:27:55,903 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:55,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:55,903 INFO L82 PathProgramCache]: Analyzing trace with hash -726314180, now seen corresponding path program 1 times [2020-09-04 21:27:55,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:55,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964174414] [2020-09-04 21:27:55,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:55,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,300 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:56,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:56,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:56,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:56,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:56,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:56,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:56,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:56,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:27:56,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:56,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:56,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:56,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:56,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:56,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:27:56,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:27:56,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:56,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:56,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:56,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:56,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:56,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:27:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:56,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:27:56,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:27:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:27:56,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-09-04 21:27:56,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-09-04 21:27:56,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:27:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:27:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:27:56,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-09-04 21:27:56,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:56,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-09-04 21:27:56,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:56,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:57,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:57,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-09-04 21:27:57,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-09-04 21:27:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,232 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 137 proven. 3 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2020-09-04 21:27:57,232 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964174414] [2020-09-04 21:27:57,232 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:27:57,233 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-09-04 21:27:57,233 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477939281] [2020-09-04 21:27:57,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-09-04 21:27:57,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:57,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-09-04 21:27:57,234 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-09-04 21:27:57,234 INFO L87 Difference]: Start difference. First operand 3488 states and 3831 transitions. Second operand 22 states. [2020-09-04 21:27:57,893 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:58,360 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:58,706 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:27:59,049 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:59,385 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:27:59,703 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:00,815 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:02,943 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:03,336 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:03,769 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:04,197 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:04,538 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:04,890 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:05,238 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:05,627 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:06,014 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:06,462 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:06,828 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:07,228 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:07,931 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:28:08,803 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:28:09,498 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:28:14,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:28:14,095 INFO L93 Difference]: Finished difference Result 6913 states and 7782 transitions. [2020-09-04 21:28:14,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-09-04 21:28:14,098 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 555 [2020-09-04 21:28:14,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:28:14,117 INFO L225 Difference]: With dead ends: 6913 [2020-09-04 21:28:14,117 INFO L226 Difference]: Without dead ends: 3791 [2020-09-04 21:28:14,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 201 GetRequests, 133 SyntacticMatches, 3 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=833, Invalid=3589, Unknown=0, NotChecked=0, Total=4422 [2020-09-04 21:28:14,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3791 states. [2020-09-04 21:28:15,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3791 to 3281. [2020-09-04 21:28:15,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3281 states. [2020-09-04 21:28:15,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 3281 states and 3585 transitions. [2020-09-04 21:28:15,191 INFO L78 Accepts]: Start accepts. Automaton has 3281 states and 3585 transitions. Word has length 555 [2020-09-04 21:28:15,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:28:15,192 INFO L479 AbstractCegarLoop]: Abstraction has 3281 states and 3585 transitions. [2020-09-04 21:28:15,192 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-09-04 21:28:15,192 INFO L276 IsEmpty]: Start isEmpty. Operand 3281 states and 3585 transitions. [2020-09-04 21:28:15,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 561 [2020-09-04 21:28:15,202 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:28:15,203 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:28:15,203 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:28:15,203 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:28:15,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:28:15,204 INFO L82 PathProgramCache]: Analyzing trace with hash 1996730543, now seen corresponding path program 1 times [2020-09-04 21:28:15,204 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:28:15,204 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1457429628] [2020-09-04 21:28:15,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:28:15,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,772 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:28:15,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:28:15,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:28:15,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:28:15,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:28:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:28:15,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:28:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:28:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:28:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:15,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:15,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:15,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:28:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:28:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:16,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:16,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:16,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:16,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:28:16,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-09-04 21:28:16,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-09-04 21:28:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:16,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:16,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:28:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-09-04 21:28:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 455 [2020-09-04 21:28:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-09-04 21:28:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:16,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-09-04 21:28:16,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 547 [2020-09-04 21:28:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 134 proven. 64 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2020-09-04 21:28:16,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1457429628] [2020-09-04 21:28:16,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:28:16,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:28:16,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386641627] [2020-09-04 21:28:16,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:28:16,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:28:16,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:28:16,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:28:16,588 INFO L87 Difference]: Start difference. First operand 3281 states and 3585 transitions. Second operand 17 states. [2020-09-04 21:28:17,239 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:19,000 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:20,159 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:20,517 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:21,270 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:28:21,615 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:22,264 WARN L193 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:28:22,600 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:23,231 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:28:23,880 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:28:24,574 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-04 21:28:25,210 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:28:25,533 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:27,888 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:28,247 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:30,094 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:31,298 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:31,682 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:32,342 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:28:32,682 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:28:33,351 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:28:33,689 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:34,300 WARN L193 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:28:34,673 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:28:35,104 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:28:35,471 WARN L193 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:28:40,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:28:40,521 INFO L93 Difference]: Finished difference Result 7844 states and 9005 transitions. [2020-09-04 21:28:40,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-09-04 21:28:40,522 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 560 [2020-09-04 21:28:40,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:28:40,548 INFO L225 Difference]: With dead ends: 7844 [2020-09-04 21:28:40,549 INFO L226 Difference]: Without dead ends: 5880 [2020-09-04 21:28:40,558 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 154 SyntacticMatches, 10 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2378 ImplicationChecksByTransitivity, 12.6s TimeCoverageRelationStatistics Valid=1179, Invalid=5961, Unknown=0, NotChecked=0, Total=7140 [2020-09-04 21:28:40,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5880 states. [2020-09-04 21:28:42,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5880 to 4818. [2020-09-04 21:28:42,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4818 states. [2020-09-04 21:28:42,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4818 states to 4818 states and 5232 transitions. [2020-09-04 21:28:42,264 INFO L78 Accepts]: Start accepts. Automaton has 4818 states and 5232 transitions. Word has length 560 [2020-09-04 21:28:42,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:28:42,265 INFO L479 AbstractCegarLoop]: Abstraction has 4818 states and 5232 transitions. [2020-09-04 21:28:42,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:28:42,266 INFO L276 IsEmpty]: Start isEmpty. Operand 4818 states and 5232 transitions. [2020-09-04 21:28:42,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2020-09-04 21:28:42,280 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:28:42,281 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, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 21:28:42,281 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:28:42,281 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:28:42,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:28:42,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1963958506, now seen corresponding path program 1 times [2020-09-04 21:28:42,282 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:28:42,282 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [780588086] [2020-09-04 21:28:42,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:28:42,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,766 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:28:42,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:28:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:28:42,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:28:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:28:42,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:28:42,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:28:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:28:42,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:28:42,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:42,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:42,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:42,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:28:42,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:42,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:42,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:28:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:43,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:43,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:43,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:28:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 358 [2020-09-04 21:28:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-09-04 21:28:43,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:43,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:43,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:28:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-09-04 21:28:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-09-04 21:28:43,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:43,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:43,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:28:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 577 [2020-09-04 21:28:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,416 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 3 [2020-09-04 21:28:43,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2020-09-04 21:28:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 595 [2020-09-04 21:28:43,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:43,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2020-09-04 21:28:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:43,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:43,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:43,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:43,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2020-09-04 21:28:43,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2020-09-04 21:28:43,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:43,676 INFO L134 CoverageAnalysis]: Checked inductivity of 949 backedges. 194 proven. 74 refuted. 0 times theorem prover too weak. 681 trivial. 0 not checked. [2020-09-04 21:28:43,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [780588086] [2020-09-04 21:28:43,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:28:43,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:28:43,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245119753] [2020-09-04 21:28:43,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:28:43,678 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:28:43,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:28:43,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:28:43,679 INFO L87 Difference]: Start difference. First operand 4818 states and 5232 transitions. Second operand 18 states. [2020-09-04 21:28:44,293 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:45,369 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:46,669 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:28:47,734 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:48,088 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:48,748 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:28:49,377 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:28:50,508 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:28:51,147 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 21:28:51,781 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:28:54,852 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:55,879 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:56,244 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:56,901 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:28:57,592 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:28:58,210 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:29:02,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:29:02,104 INFO L93 Difference]: Finished difference Result 9402 states and 10612 transitions. [2020-09-04 21:29:02,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-09-04 21:29:02,105 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 700 [2020-09-04 21:29:02,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:29:02,134 INFO L225 Difference]: With dead ends: 9402 [2020-09-04 21:29:02,134 INFO L226 Difference]: Without dead ends: 6314 [2020-09-04 21:29:02,145 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 184 SyntacticMatches, 8 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1582 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1012, Invalid=4100, Unknown=0, NotChecked=0, Total=5112 [2020-09-04 21:29:02,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2020-09-04 21:29:03,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 5297. [2020-09-04 21:29:03,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5297 states. [2020-09-04 21:29:03,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5297 states to 5297 states and 5702 transitions. [2020-09-04 21:29:03,984 INFO L78 Accepts]: Start accepts. Automaton has 5297 states and 5702 transitions. Word has length 700 [2020-09-04 21:29:03,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:29:03,984 INFO L479 AbstractCegarLoop]: Abstraction has 5297 states and 5702 transitions. [2020-09-04 21:29:03,984 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:29:03,985 INFO L276 IsEmpty]: Start isEmpty. Operand 5297 states and 5702 transitions. [2020-09-04 21:29:03,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2020-09-04 21:29:03,995 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:29:03,996 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:29:03,996 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:29:03,996 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:29:03,996 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:29:03,996 INFO L82 PathProgramCache]: Analyzing trace with hash 67194370, now seen corresponding path program 1 times [2020-09-04 21:29:03,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:29:03,997 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651177720] [2020-09-04 21:29:03,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:29:04,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,455 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:29:04,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:29:04,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:29:04,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:29:04,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:29:04,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:29:04,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:29:04,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:29:04,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:04,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:04,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:04,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:04,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:04,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:29:04,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:29:04,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:04,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:04,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:04,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:04,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:29:04,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:29:04,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:04,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-09-04 21:29:04,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-09-04 21:29:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:04,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:04,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:29:04,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:04,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-09-04 21:29:04,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-09-04 21:29:04,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:04,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:05,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:05,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 21:29:05,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:05,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:05,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-09-04 21:29:05,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-09-04 21:29:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-09-04 21:29:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2020-09-04 21:29:05,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:05,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:05,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2020-09-04 21:29:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2020-09-04 21:29:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:05,420 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 174 proven. 87 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2020-09-04 21:29:05,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [651177720] [2020-09-04 21:29:05,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:29:05,421 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:29:05,421 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813467550] [2020-09-04 21:29:05,422 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:29:05,422 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:29:05,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:29:05,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:29:05,423 INFO L87 Difference]: Start difference. First operand 5297 states and 5702 transitions. Second operand 17 states. [2020-09-04 21:29:06,440 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:07,422 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:10,434 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:29:10,779 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:29:11,147 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:11,482 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:11,801 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:12,379 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:29:16,012 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 21:29:16,359 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:29:16,981 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:29:17,385 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:29:17,796 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:18,156 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:29:18,487 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:22,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:29:22,127 INFO L93 Difference]: Finished difference Result 14476 states and 16107 transitions. [2020-09-04 21:29:22,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-09-04 21:29:22,127 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 678 [2020-09-04 21:29:22,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:29:22,166 INFO L225 Difference]: With dead ends: 14476 [2020-09-04 21:29:22,166 INFO L226 Difference]: Without dead ends: 9117 [2020-09-04 21:29:22,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 170 SyntacticMatches, 10 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1193 ImplicationChecksByTransitivity, 6.9s TimeCoverageRelationStatistics Valid=968, Invalid=3454, Unknown=0, NotChecked=0, Total=4422 [2020-09-04 21:29:22,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9117 states. [2020-09-04 21:29:24,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9117 to 6752. [2020-09-04 21:29:24,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6752 states. [2020-09-04 21:29:24,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6752 states to 6752 states and 7247 transitions. [2020-09-04 21:29:24,736 INFO L78 Accepts]: Start accepts. Automaton has 6752 states and 7247 transitions. Word has length 678 [2020-09-04 21:29:24,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:29:24,737 INFO L479 AbstractCegarLoop]: Abstraction has 6752 states and 7247 transitions. [2020-09-04 21:29:24,737 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:29:24,737 INFO L276 IsEmpty]: Start isEmpty. Operand 6752 states and 7247 transitions. [2020-09-04 21:29:24,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 679 [2020-09-04 21:29:24,751 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:29:24,752 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:29:24,752 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:29:24,752 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:29:24,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:29:24,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1340229218, now seen corresponding path program 1 times [2020-09-04 21:29:24,753 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:29:24,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [112938012] [2020-09-04 21:29:24,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:29:24,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,181 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:29:25,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:29:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:29:25,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:29:25,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:29:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:29:25,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:29:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:29:25,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:25,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:25,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:25,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:25,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:25,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:29:25,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-09-04 21:29:25,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:25,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:25,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:25,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:29:25,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:29:25,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:25,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-09-04 21:29:25,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 371 [2020-09-04 21:29:25,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:25,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:25,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:25,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:29:25,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-09-04 21:29:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-09-04 21:29:25,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:25,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:25,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 21:29:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-09-04 21:29:25,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 563 [2020-09-04 21:29:25,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2020-09-04 21:29:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:25,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 587 [2020-09-04 21:29:25,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:25,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:25,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:25,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:25,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:25,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 655 [2020-09-04 21:29:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:25,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 665 [2020-09-04 21:29:25,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 897 backedges. 162 proven. 16 refuted. 0 times theorem prover too weak. 719 trivial. 0 not checked. [2020-09-04 21:29:26,089 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [112938012] [2020-09-04 21:29:26,090 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:29:26,090 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:29:26,090 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255416795] [2020-09-04 21:29:26,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:29:26,091 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:29:26,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:29:26,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:29:26,091 INFO L87 Difference]: Start difference. First operand 6752 states and 7247 transitions. Second operand 17 states. [2020-09-04 21:29:26,833 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:29:27,161 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:27,485 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:29:27,812 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:28,115 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:29:31,476 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:29:31,787 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:32,115 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:32,441 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:29:32,771 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:33,076 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:29:33,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:29:33,767 INFO L93 Difference]: Finished difference Result 7754 states and 8371 transitions. [2020-09-04 21:29:33,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-09-04 21:29:33,768 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 678 [2020-09-04 21:29:33,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:29:33,770 INFO L225 Difference]: With dead ends: 7754 [2020-09-04 21:29:33,770 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:29:33,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=331, Invalid=1075, Unknown=0, NotChecked=0, Total=1406 [2020-09-04 21:29:33,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:29:33,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:29:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:29:33,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:29:33,787 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 678 [2020-09-04 21:29:33,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:29:33,787 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:29:33,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:29:33,787 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:29:33,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:29:33,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 21:29:33,790 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:29:35,025 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:29:35,719 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:29:36,883 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:29:37,416 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:29:37,792 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:29:38,463 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:29:39,032 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:29:39,380 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:29:39,727 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:29:40,424 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:29:40,810 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:29:41,191 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:29:41,587 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:29:42,542 WARN L193 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 235 [2020-09-04 21:29:42,902 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:29:43,882 WARN L193 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 237 [2020-09-04 21:29:44,258 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:29:44,632 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:29:50,602 WARN L193 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 469 DAG size of output: 431 [2020-09-04 21:29:50,978 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:29:52,113 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:29:52,800 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:29:53,951 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:29:54,623 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:29:55,191 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:29:55,555 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:29:55,899 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:29:56,276 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:29:56,627 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:29:57,324 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:29:58,821 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:29:59,675 WARN L193 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:30:00,748 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-09-04 21:30:01,710 WARN L193 SmtUtils]: Spent 952.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:30:02,286 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:30:03,553 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 252 DAG size of output: 227 [2020-09-04 21:30:04,084 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:30:05,542 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 254 DAG size of output: 229 [2020-09-04 21:30:06,067 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:30:06,604 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:30:06,988 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:07,678 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:30:08,047 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:30:08,761 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:30:09,127 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:09,497 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:30:10,792 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-09-04 21:30:11,447 WARN L193 SmtUtils]: Spent 653.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:30:11,939 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:30:13,054 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 263 DAG size of output: 247 [2020-09-04 21:30:13,535 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:30:14,180 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:30:14,835 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:30:15,317 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:30:15,823 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:30:16,306 WARN L193 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:30:16,783 WARN L193 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:30:17,429 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:30:18,171 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:30:18,549 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:30:18,936 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:19,646 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:30:20,043 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:20,396 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:20,778 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:30:21,148 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:30:21,511 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:21,862 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:22,551 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:30:22,917 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:23,275 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:23,633 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:30:24,344 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:30:24,734 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:30:25,098 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:25,739 WARN L193 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 227 [2020-09-04 21:30:26,105 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:26,472 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:26,832 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:27,198 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:27,560 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:27,904 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:30:29,295 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 21:30:29,657 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:30:30,003 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:30:30,344 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:30:30,703 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:30:31,069 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:32,508 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:30:32,862 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:33,227 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:33,592 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:35,022 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-09-04 21:30:35,402 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:30:36,248 WARN L193 SmtUtils]: Spent 842.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:30:36,591 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:30:37,452 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:30:39,050 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:30:39,409 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:39,794 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:40,157 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:40,521 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:40,886 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:41,241 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:30:41,595 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:30:41,943 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:42,322 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:30:42,676 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:43,031 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:30:43,386 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:30:43,760 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:44,121 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:30:44,482 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:30:44,883 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:30:45,581 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:30:46,286 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:30:46,682 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:30:47,058 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:30:48,006 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:30:48,968 WARN L193 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:30:49,336 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:30:49,709 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:30:51,370 WARN L193 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 246 DAG size of output: 245 [2020-09-04 21:30:51,794 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:30:52,203 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:30:52,606 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:30:53,025 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:30:53,420 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:30:54,929 WARN L193 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 267 DAG size of output: 260 [2020-09-04 21:30:55,347 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:30:55,774 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:30:56,202 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:30:57,744 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 269 DAG size of output: 262 [2020-09-04 21:30:58,154 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:30:59,188 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:30:59,736 WARN L193 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:31:00,783 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:31:02,876 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 252 DAG size of output: 250 [2020-09-04 21:31:03,294 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:31:03,740 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:31:04,134 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:31:04,559 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:31:04,983 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:31:05,399 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:31:05,815 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:31:06,222 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:31:06,630 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:07,045 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:31:07,461 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:31:07,877 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:31:08,312 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:31:08,735 WARN L193 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 242 [2020-09-04 21:31:09,159 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:31:09,851 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:31:11,138 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 258 DAG size of output: 227 [2020-09-04 21:31:11,808 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:31:13,111 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 260 DAG size of output: 229 [2020-09-04 21:31:13,771 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:31:14,440 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:31:14,797 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:31:16,059 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:31:16,743 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:31:17,890 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:31:18,558 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:31:19,122 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:31:19,484 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:31:19,826 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:31:20,197 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:20,542 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:31:21,231 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:31:21,884 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:31:22,311 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:31:22,723 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:31:23,131 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:23,525 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:31:24,373 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:31:24,783 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:31:25,187 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:25,589 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:31:26,381 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 237 [2020-09-04 21:31:26,815 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:31:27,222 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:31:27,951 WARN L193 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 235 [2020-09-04 21:31:28,364 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:31:28,773 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:31:29,177 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:29,587 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:31:29,988 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:31:30,377 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:30,808 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:31:31,221 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:31:31,645 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:31:32,052 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:31:32,433 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:31:32,796 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:31:33,164 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:31:33,533 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:31:33,898 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:31:34,264 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:34,949 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:31:35,314 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:31:36,032 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:31:36,388 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:31:36,757 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:37,117 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:31:37,495 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:31:37,859 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:31:38,228 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:31:38,860 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 227 [2020-09-04 21:31:39,236 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:31:39,594 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:31:39,955 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:31:40,318 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:31:40,679 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:31:41,023 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:31:41,393 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:31:42,365 WARN L193 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 237 [2020-09-04 21:31:42,722 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:31:43,704 WARN L193 SmtUtils]: Spent 976.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 21:31:44,079 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:44,451 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:31:44,885 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:31:45,314 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 244 [2020-09-04 21:31:48,057 WARN L193 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 387 DAG size of output: 329 [2020-09-04 21:31:50,657 WARN L193 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 387 DAG size of output: 329 [2020-09-04 21:31:51,342 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:31:51,735 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:31:52,134 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:31:52,803 WARN L193 SmtUtils]: Spent 666.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:31:53,668 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:31:54,352 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:31:55,454 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:31:56,139 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:31:57,284 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:31:57,940 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:31:58,502 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:31:58,845 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:00,477 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:32:00,891 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:32:01,625 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:32:01,983 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:02,354 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:03,063 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:03,450 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:03,816 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:04,174 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:04,550 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:04,922 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:05,294 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:05,687 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:06,072 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:06,477 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:07,448 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 21:32:07,806 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:08,797 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 21:32:09,169 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:09,542 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:09,934 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:10,319 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:10,698 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:11,384 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:32:12,483 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:32:13,167 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:32:14,312 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:32:14,970 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:32:15,532 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:32:15,874 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:20,426 WARN L193 SmtUtils]: Spent 4.54 s on a formula simplification. DAG size of input: 450 DAG size of output: 413 [2020-09-04 21:32:20,770 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:32:21,476 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 21:32:21,865 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:32:22,264 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:32:22,971 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:32:23,363 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:23,733 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:24,144 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:24,516 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:24,875 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:25,246 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:25,605 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:25,975 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:26,346 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:26,750 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:32:27,130 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:32:27,515 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:32:27,890 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:32:28,265 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:32:28,663 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:32:29,665 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:32:30,047 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:32:31,056 WARN L193 SmtUtils]: Spent 1000.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:32:31,431 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:32:31,818 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:32:32,211 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 235 [2020-09-04 21:32:32,595 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:32:32,972 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:32:33,358 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:32:34,251 WARN L193 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:32:34,638 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:32:35,029 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:32:35,407 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:32:35,787 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:32:36,179 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:32:36,558 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:32:37,747 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:32:38,458 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:39,296 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:32:40,354 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 247 DAG size of output: 244 [2020-09-04 21:32:41,182 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:32:42,007 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:32:42,805 WARN L193 SmtUtils]: Spent 793.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 238 [2020-09-04 21:32:43,640 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:44,472 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:45,305 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:46,139 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:46,833 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 238 [2020-09-04 21:32:47,660 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:32:48,773 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 248 DAG size of output: 238 [2020-09-04 21:32:49,887 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 245 DAG size of output: 239 [2020-09-04 21:32:50,709 WARN L193 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:32:51,289 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:32:52,413 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:32:53,246 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:54,082 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:54,673 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:32:55,499 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:32:56,610 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 248 DAG size of output: 238 [2020-09-04 21:32:57,420 WARN L193 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 240 [2020-09-04 21:32:58,248 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:32:59,080 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:32:59,907 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:33:00,741 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:33:01,583 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:33:02,419 WARN L193 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:33:03,248 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:33:04,363 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 246 DAG size of output: 240 [2020-09-04 21:33:05,194 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:33:06,025 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:33:06,859 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:33:07,543 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 21:33:08,592 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 242 [2020-09-04 21:33:09,066 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:33:09,893 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:33:10,724 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:33:11,560 WARN L193 SmtUtils]: Spent 833.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:33:12,683 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 248 DAG size of output: 242 [2020-09-04 21:33:13,510 WARN L193 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:33:14,316 WARN L193 SmtUtils]: Spent 804.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:33:15,431 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 247 DAG size of output: 241 [2020-09-04 21:33:16,555 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 250 DAG size of output: 240 [2020-09-04 21:33:17,387 WARN L193 SmtUtils]: Spent 830.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:33:18,092 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:33:19,512 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:33:19,890 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:33:20,579 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:33:20,955 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:33:21,666 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:33:22,035 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:33:22,411 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:33:22,764 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:33:23,117 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:33:23,487 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:24,458 WARN L193 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 21:33:24,815 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:25,806 WARN L193 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 241 [2020-09-04 21:33:26,178 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:26,550 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:26,895 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:33:27,580 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:33:28,681 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:33:29,365 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:33:30,510 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:33:31,169 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:33:31,732 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:33:32,074 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:33:32,454 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:33,140 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:33:33,506 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:33:34,222 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:33:34,596 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:34,973 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:35,340 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:33:35,702 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:33:36,062 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:36,418 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:33:36,676 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:33:36,933 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 21:33:37,562 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 226 [2020-09-04 21:33:37,818 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 21:33:38,076 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:33:38,717 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 226 [2020-09-04 21:33:38,966 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:33:39,618 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 228 [2020-09-04 21:33:40,260 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 226 [2020-09-04 21:33:40,906 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 226 [2020-09-04 21:33:41,547 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 226 [2020-09-04 21:33:41,795 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:33:42,408 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 226 [2020-09-04 21:33:43,062 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 228 [2020-09-04 21:33:43,310 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:33:43,459 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 1 [2020-09-04 21:33:44,156 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:33:44,514 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:44,884 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:45,592 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:33:45,976 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:46,661 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:33:47,025 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:33:47,738 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:33:48,111 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:33:48,489 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:48,857 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:33:49,219 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:33:49,580 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:49,938 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:33:50,634 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:33:51,750 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:33:52,169 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:33:53,308 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 257 DAG size of output: 249 [2020-09-04 21:33:53,728 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:33:54,152 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:33:54,509 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 34 [2020-09-04 21:33:54,841 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 36 [2020-09-04 21:33:55,548 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:33:56,241 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 232 [2020-09-04 21:33:57,193 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 231 [2020-09-04 21:33:57,564 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:33:57,933 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:33:58,640 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:33:59,439 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:34:00,139 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:34:01,005 WARN L193 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 21:34:01,265 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:34:01,522 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 21:34:02,149 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 226 [2020-09-04 21:34:02,409 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 28 [2020-09-04 21:34:02,668 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:34:03,306 WARN L193 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 226 [2020-09-04 21:34:03,554 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:34:04,207 WARN L193 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 228 [2020-09-04 21:34:04,850 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 226 [2020-09-04 21:34:05,495 WARN L193 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 226 [2020-09-04 21:34:06,136 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 226 [2020-09-04 21:34:06,383 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:34:06,997 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 226 [2020-09-04 21:34:07,656 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 228 [2020-09-04 21:34:07,906 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 26 [2020-09-04 21:34:08,265 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:34:09,712 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:34:10,075 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:34:10,419 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:34:10,761 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:34:12,188 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-09-04 21:34:12,536 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:34:12,892 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:34:13,238 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:34:14,680 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:34:15,033 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:34:16,479 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:34:16,841 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:18,274 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-09-04 21:34:18,634 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:34:18,980 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:34:20,566 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:34:21,409 WARN L193 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:34:22,272 WARN L193 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:34:22,634 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:24,231 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:34:24,587 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:34:26,018 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-09-04 21:34:27,406 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 21:34:28,791 WARN L193 SmtUtils]: Spent 1.38 s on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 21:34:29,151 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:34:29,996 WARN L193 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:34:31,442 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:34:31,795 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:34:32,496 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:34:33,201 WARN L193 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:34:33,900 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:34:34,696 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:34:35,097 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:35,465 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:35,838 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:36,214 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:36,581 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:36,953 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:37,346 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:34:37,727 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:38,111 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:38,487 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:38,861 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:34:39,260 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:34:40,152 WARN L193 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:34:40,533 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:41,531 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:34:41,905 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:42,292 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:34:42,684 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 235 [2020-09-04 21:34:43,068 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:43,444 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:34:43,830 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:44,824 WARN L193 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:34:45,214 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:45,608 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:34:45,987 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:46,369 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:34:46,763 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:34:47,442 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:34:47,805 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:48,172 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:48,530 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:34:48,887 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:34:49,252 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:49,936 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:34:50,301 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:51,017 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:34:51,374 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:34:51,742 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:52,101 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:34:52,467 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:34:52,826 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:34:53,193 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:53,825 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 227 [2020-09-04 21:34:54,194 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:54,553 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:54,913 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:55,277 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:34:55,636 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:56,029 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:34:56,410 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:56,794 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:57,170 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:34:57,544 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:34:57,943 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:34:58,830 WARN L193 SmtUtils]: Spent 885.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:34:59,212 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:35:00,209 WARN L193 SmtUtils]: Spent 987.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:35:00,585 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:35:00,971 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:35:01,364 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 235 [2020-09-04 21:35:01,749 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:35:02,131 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:35:02,517 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:35:03,515 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:35:03,904 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:35:04,296 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:35:04,674 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:35:05,056 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:35:05,449 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:35:10,034 WARN L193 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 450 DAG size of output: 413 [2020-09-04 21:35:10,742 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:11,403 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:35:12,073 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:35:12,753 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:35:13,426 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:35:14,096 WARN L193 SmtUtils]: Spent 667.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:35:15,495 WARN L193 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2020-09-04 21:35:16,167 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:35:16,855 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:35:18,407 WARN L193 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 258 DAG size of output: 245 [2020-09-04 21:35:19,068 WARN L193 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:35:20,068 WARN L193 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:35:21,091 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:35:23,039 WARN L193 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:35:23,729 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:24,417 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:35:26,135 WARN L193 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-09-04 21:35:26,859 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:27,518 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:35:28,190 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:35:28,873 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:35:29,548 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:35:30,230 WARN L193 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:35:31,651 WARN L193 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2020-09-04 21:35:32,324 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:35:33,013 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:35:34,575 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 258 DAG size of output: 245 [2020-09-04 21:35:35,238 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:35:36,242 WARN L193 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:35:37,267 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:35:39,225 WARN L193 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:35:39,919 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 227 [2020-09-04 21:35:40,606 WARN L193 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 225 [2020-09-04 21:35:42,881 WARN L193 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 246 DAG size of output: 241 [2020-09-04 21:35:44,341 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-09-04 21:35:44,702 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:35:45,044 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:45,396 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:35:45,763 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:35:46,112 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:46,493 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:35:47,952 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-09-04 21:35:49,075 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2020-09-04 21:35:49,427 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:35:49,842 WARN L193 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:35:50,243 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:35:50,649 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:35:51,045 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:35:51,441 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:35:51,893 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 245 [2020-09-04 21:35:52,894 WARN L193 SmtUtils]: Spent 999.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-09-04 21:35:53,298 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:35:54,125 WARN L193 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 241 [2020-09-04 21:35:54,521 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 235 [2020-09-04 21:35:54,928 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:35:55,358 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 241 [2020-09-04 21:35:55,763 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:35:56,160 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:35:56,566 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:35:57,528 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 239 [2020-09-04 21:35:57,937 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:35:58,368 WARN L193 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-09-04 21:35:58,767 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:35:59,169 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:35:59,600 WARN L193 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2020-09-04 21:35:59,971 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:36:00,344 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:36:01,036 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:36:01,411 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:36:02,518 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:36:03,204 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:36:03,577 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:36:04,728 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:36:05,092 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:36:05,757 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:36:06,324 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:36:06,668 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:36:07,047 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:36:07,392 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:36:07,740 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:36:08,682 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:36:09,634 WARN L193 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:36:10,596 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:36:11,539 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:36:12,475 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:36:13,422 WARN L193 SmtUtils]: Spent 931.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:36:14,365 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 230 [2020-09-04 21:36:15,065 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:36:15,429 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:36:15,799 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:36:16,510 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:36:17,234 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:36:17,947 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:36:18,304 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:36:18,991 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:36:20,094 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:36:20,781 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:36:21,931 WARN L193 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:36:22,593 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:36:23,156 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:36:23,498 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:36:24,203 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:36:24,579 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:36:25,269 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:36:25,639 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:36:26,353 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:36:26,719 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:36:27,090 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:36:27,469 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:36:33,566 WARN L193 SmtUtils]: Spent 6.09 s on a formula simplification. DAG size of input: 469 DAG size of output: 431 [2020-09-04 21:36:33,912 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:36:34,283 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:36:34,976 WARN L193 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:36:35,347 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:36:36,063 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:36:36,430 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:36:36,800 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:36:42,981 WARN L193 SmtUtils]: Spent 6.17 s on a formula simplification. DAG size of input: 469 DAG size of output: 431 [2020-09-04 21:36:44,106 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-09-04 21:36:44,762 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:36:45,890 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 263 DAG size of output: 247 [2020-09-04 21:36:46,370 WARN L193 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:36:46,855 WARN L193 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:36:47,346 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:36:47,842 WARN L193 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:36:48,360 WARN L193 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:36:49,012 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:36:49,500 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:36:50,159 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:36:50,676 WARN L193 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:36:51,160 WARN L193 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:36:51,804 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:36:52,185 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:36:52,873 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:36:53,253 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:36:53,966 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:36:54,339 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 229 [2020-09-04 21:36:54,717 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:36:55,130 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:36:55,520 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:36:55,922 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:36:56,314 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:36:56,705 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:36:57,112 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:36:57,510 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:36:57,910 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:36:58,310 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:36:58,720 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2020-09-04 21:36:59,122 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:36:59,517 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:36:59,911 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:37:00,315 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:37:00,717 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:37:01,110 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:37:01,507 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:37:01,914 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:37:03,048 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-09-04 21:37:03,712 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:37:04,198 WARN L193 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:37:05,316 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 263 DAG size of output: 247 [2020-09-04 21:37:05,796 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:37:06,440 WARN L193 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:37:07,100 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:37:07,584 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:37:08,090 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:37:08,577 WARN L193 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:37:09,055 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 232 [2020-09-04 21:37:09,701 WARN L193 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:37:10,921 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 263 DAG size of output: 252 [2020-09-04 21:37:11,907 WARN L193 SmtUtils]: Spent 984.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 21:37:13,214 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 265 DAG size of output: 255 [2020-09-04 21:37:14,200 WARN L193 SmtUtils]: Spent 973.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 21:37:15,238 WARN L193 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-09-04 21:37:15,633 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:37:16,029 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:37:17,002 WARN L193 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:37:17,393 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:37:17,764 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:37:18,718 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:37:19,683 WARN L193 SmtUtils]: Spent 958.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:37:20,051 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:37:20,425 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:37:20,797 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:37:21,168 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:37:21,529 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:37:22,214 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:37:23,320 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:37:24,013 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:37:25,168 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:37:25,825 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:37:26,390 WARN L193 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:37:26,734 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:37:27,085 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:37:27,775 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:37:28,882 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:37:29,568 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:37:30,724 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:37:31,384 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:37:31,947 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:37:32,290 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:37:33,013 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 233 [2020-09-04 21:37:33,403 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:37:33,804 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:37:34,519 WARN L193 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:37:35,211 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:37:35,827 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:37:37,097 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 275 DAG size of output: 251 [2020-09-04 21:37:37,775 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:37:38,394 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:37:39,680 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2020-09-04 21:37:40,283 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:37:40,959 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:37:41,643 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241 [2020-09-04 21:37:42,263 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:37:48,380 WARN L193 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 469 DAG size of output: 431 [2020-09-04 21:37:51,038 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 387 DAG size of output: 329 [2020-09-04 21:37:57,170 WARN L193 SmtUtils]: Spent 6.13 s on a formula simplification. DAG size of input: 469 DAG size of output: 431 [2020-09-04 21:38:03,035 WARN L193 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 409 DAG size of output: 350 [2020-09-04 21:38:04,429 WARN L193 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 240 DAG size of output: 239 [2020-09-04 21:38:04,794 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:38:05,142 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:38:05,484 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:05,842 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:38:06,208 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:38:07,655 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:38:08,010 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:08,376 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:38:08,742 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:38:10,177 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 254 DAG size of output: 244 [2020-09-04 21:38:10,557 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:38:11,405 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 229 [2020-09-04 21:38:11,749 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:12,612 WARN L193 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:38:14,213 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 246 DAG size of output: 244 [2020-09-04 21:38:14,570 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:14,960 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:38:15,324 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:15,688 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:16,051 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:16,405 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:38:16,761 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:17,107 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:17,485 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:38:17,839 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:18,195 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:38:18,549 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:38:18,923 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:19,286 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:38:19,646 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:25,668 WARN L193 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 469 DAG size of output: 431 [2020-09-04 21:38:26,044 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:38:26,408 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:26,774 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:27,132 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:38:27,491 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:27,858 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:38:28,544 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:38:28,909 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:38:29,626 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:38:29,984 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:38:30,354 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:38:30,713 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:31,080 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:38:31,440 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:38:31,808 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:38:32,442 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 227 [2020-09-04 21:38:32,813 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:38:33,172 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:33,534 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:33,897 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 227 [2020-09-04 21:38:34,257 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:38:34,936 WARN L193 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:38:35,327 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:38:35,727 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:38:36,400 WARN L193 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:38:36,828 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:38:37,217 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:38:37,617 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:38:38,009 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:38:38,400 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:38:38,806 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:38:39,208 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:38:39,609 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:38:40,003 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:38:40,410 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2020-09-04 21:38:40,809 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:38:41,201 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:38:41,594 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:38:41,998 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:38:42,397 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:38:42,790 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:38:43,187 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:38:43,594 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:38:43,986 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:38:44,368 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:38:44,752 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:38:45,128 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:38:45,504 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:38:45,905 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:38:46,288 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:38:46,673 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:38:47,060 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:38:47,454 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 235 [2020-09-04 21:38:47,840 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:38:48,218 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:38:48,605 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:38:48,998 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:38:49,390 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:38:49,770 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:38:50,153 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:38:50,547 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 237 [2020-09-04 21:38:51,264 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:38:51,637 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:38:52,023 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:38:52,671 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 232 [2020-09-04 21:38:53,030 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2020-09-04 21:38:54,236 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 263 DAG size of output: 252 [2020-09-04 21:38:55,224 WARN L193 SmtUtils]: Spent 985.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-09-04 21:38:56,533 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 265 DAG size of output: 255 [2020-09-04 21:38:57,519 WARN L193 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 239 [2020-09-04 21:38:58,557 WARN L193 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 250 DAG size of output: 241 [2020-09-04 21:38:58,948 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:38:59,340 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-09-04 21:39:00,314 WARN L193 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:39:01,023 WARN L193 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 227 [2020-09-04 21:39:01,737 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:39:02,150 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:39:02,545 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:39:03,713 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 270 DAG size of output: 250 [2020-09-04 21:39:04,370 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:39:05,496 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 263 DAG size of output: 247 [2020-09-04 21:39:05,976 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:39:06,465 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:39:06,957 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 235 [2020-09-04 21:39:07,451 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 235 [2020-09-04 21:39:07,968 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:39:08,619 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:39:09,107 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:39:09,767 WARN L193 SmtUtils]: Spent 656.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 240 [2020-09-04 21:39:10,283 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:39:10,763 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:39:11,408 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 238 [2020-09-04 21:39:11,792 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:39:12,172 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:39:12,584 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:39:12,973 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:39:13,374 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:39:13,765 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:39:14,156 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:39:14,562 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:39:14,960 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:39:15,362 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:39:15,756 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:39:16,166 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2020-09-04 21:39:16,569 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:39:16,962 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:39:17,356 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:39:17,760 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:39:18,160 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 239 [2020-09-04 21:39:18,554 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:39:18,951 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 236 [2020-09-04 21:39:19,358 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 240 [2020-09-04 21:39:19,736 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:39:20,110 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:39:20,522 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:39:20,920 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:39:21,335 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:39:21,743 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:39:22,150 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:39:22,565 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:39:22,978 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:39:23,394 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 237 [2020-09-04 21:39:23,798 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:39:24,222 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:39:24,637 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:39:25,046 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:39:25,447 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 239 [2020-09-04 21:39:25,867 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:39:26,274 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 241 [2020-09-04 21:39:26,684 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:39:27,097 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:39:27,520 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:39:28,208 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 225 [2020-09-04 21:39:28,582 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:39:29,679 WARN L193 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 246 DAG size of output: 239 [2020-09-04 21:39:30,365 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:39:30,738 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:39:31,904 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:39:32,268 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:39:32,930 WARN L193 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 225 [2020-09-04 21:39:33,498 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:39:33,842 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:39:34,220 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:39:34,565 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:39:35,243 WARN L193 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 239 [2020-09-04 21:39:35,861 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:39:37,131 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 275 DAG size of output: 251 [2020-09-04 21:39:37,810 WARN L193 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 241