/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_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-3af5e1f [2020-09-04 21:27:11,147 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-04 21:27:11,152 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-04 21:27:11,188 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-04 21:27:11,188 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-04 21:27:11,201 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-04 21:27:11,202 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-04 21:27:11,206 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-04 21:27:11,209 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-04 21:27:11,213 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-04 21:27:11,214 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-04 21:27:11,216 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-04 21:27:11,217 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-04 21:27:11,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-04 21:27:11,223 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-04 21:27:11,225 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-04 21:27:11,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-04 21:27:11,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-04 21:27:11,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-04 21:27:11,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-04 21:27:11,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-04 21:27:11,243 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-04 21:27:11,244 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-04 21:27:11,245 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-04 21:27:11,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-04 21:27:11,250 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-04 21:27:11,250 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-04 21:27:11,253 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-04 21:27:11,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-04 21:27:11,255 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-04 21:27:11,255 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-04 21:27:11,256 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-04 21:27:11,257 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-04 21:27:11,258 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-04 21:27:11,259 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-04 21:27:11,259 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-04 21:27:11,260 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-04 21:27:11,260 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-04 21:27:11,261 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-04 21:27:11,262 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-04 21:27:11,263 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-04 21:27:11,264 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 21:27:11,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-04 21:27:11,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-04 21:27:11,284 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-04 21:27:11,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-04 21:27:11,285 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-04 21:27:11,285 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-04 21:27:11,285 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-04 21:27:11,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-04 21:27:11,286 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-04 21:27:11,286 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-04 21:27:11,287 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-04 21:27:11,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-04 21:27:11,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-04 21:27:11,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-04 21:27:11,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-04 21:27:11,289 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-09-04 21:27:11,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-04 21:27:11,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-04 21:27:11,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-04 21:27:11,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-04 21:27:11,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-09-04 21:27:11,290 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-04 21:27:11,290 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 21:27:11,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-04 21:27:11,754 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-04 21:27:11,758 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-04 21:27:11,760 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-04 21:27:11,762 INFO L275 PluginConnector]: CDTParser initialized [2020-09-04 21:27:11,763 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-04 21:27:11,846 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42cf1ab5b/e864a30483c14a1cbcac51cf1fc3e3be/FLAG02118c389 [2020-09-04 21:27:12,432 INFO L306 CDTParser]: Found 1 translation units. [2020-09-04 21:27:12,433 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product62.cil.c [2020-09-04 21:27:12,449 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42cf1ab5b/e864a30483c14a1cbcac51cf1fc3e3be/FLAG02118c389 [2020-09-04 21:27:12,721 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/42cf1ab5b/e864a30483c14a1cbcac51cf1fc3e3be [2020-09-04 21:27:12,733 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-04 21:27:12,736 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-04 21:27:12,737 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-04 21:27:12,737 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-04 21:27:12,740 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-04 21:27:12,741 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:27:12" (1/1) ... [2020-09-04 21:27:12,744 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54752615 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:12, skipping insertion in model container [2020-09-04 21:27:12,744 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.09 09:27:12" (1/1) ... [2020-09-04 21:27:12,751 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-04 21:27:12,810 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-04 21:27:13,268 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:27:13,285 INFO L203 MainTranslator]: Completed pre-run [2020-09-04 21:27:13,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-04 21:27:13,456 INFO L208 MainTranslator]: Completed translation [2020-09-04 21:27:13,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13 WrapperNode [2020-09-04 21:27:13,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-04 21:27:13,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-04 21:27:13,458 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-04 21:27:13,458 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-04 21:27:13,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13" (1/1) ... [2020-09-04 21:27:13,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13" (1/1) ... [2020-09-04 21:27:13,495 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13" (1/1) ... [2020-09-04 21:27:13,495 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13" (1/1) ... [2020-09-04 21:27:13,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13" (1/1) ... [2020-09-04 21:27:13,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13" (1/1) ... [2020-09-04 21:27:13,544 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13" (1/1) ... [2020-09-04 21:27:13,551 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-04 21:27:13,552 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-04 21:27:13,552 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-04 21:27:13,552 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-04 21:27:13,554 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13" (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 21:27:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-04 21:27:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-04 21:27:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-04 21:27:13,635 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-04 21:27:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-04 21:27:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:27:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:27:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-04 21:27:13,636 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 21:27:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-04 21:27:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-04 21:27:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-04 21:27:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-04 21:27:13,637 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-04 21:27:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-09-04 21:27:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-04 21:27:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-04 21:27:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:27:13,638 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:27:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:27:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-04 21:27:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-04 21:27:13,639 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-04 21:27:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-04 21:27:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-04 21:27:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-04 21:27:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-04 21:27:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-04 21:27:13,640 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-04 21:27:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-04 21:27:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-04 21:27:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-04 21:27:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-04 21:27:13,641 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-09-04 21:27:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-04 21:27:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-04 21:27:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-04 21:27:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-04 21:27:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-04 21:27:13,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-04 21:27:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-04 21:27:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-04 21:27:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-04 21:27:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-04 21:27:13,643 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-04 21:27:13,643 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-04 21:27:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-04 21:27:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-04 21:27:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-04 21:27:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-04 21:27:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-04 21:27:13,644 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-09-04 21:27:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-04 21:27:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-04 21:27:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-04 21:27:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-04 21:27:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-04 21:27:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-04 21:27:13,645 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-04 21:27:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-09-04 21:27:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-09-04 21:27:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-04 21:27:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-04 21:27:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-09-04 21:27:13,646 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-09-04 21:27:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-04 21:27:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-09-04 21:27:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-04 21:27:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-09-04 21:27:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-04 21:27:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-04 21:27:13,647 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-04 21:27:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-09-04 21:27:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-04 21:27:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-04 21:27:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-04 21:27:13,648 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-04 21:27:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-04 21:27:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-04 21:27:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-04 21:27:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-04 21:27:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-04 21:27:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-04 21:27:13,649 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-04 21:27:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-04 21:27:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-04 21:27:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-04 21:27:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-04 21:27:13,650 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-04 21:27:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-04 21:27:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-04 21:27:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-04 21:27:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-04 21:27:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-04 21:27:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-04 21:27:13,651 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-04 21:27:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-04 21:27:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-04 21:27:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-04 21:27:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-04 21:27:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-04 21:27:13,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-04 21:27:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-04 21:27:13,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-04 21:27:14,827 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-04 21:27:14,828 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-04 21:27:14,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:27:14 BoogieIcfgContainer [2020-09-04 21:27:14,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-04 21:27:14,838 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-04 21:27:14,838 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-04 21:27:14,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-04 21:27:14,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.09 09:27:12" (1/3) ... [2020-09-04 21:27:14,843 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b59c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:27:14, skipping insertion in model container [2020-09-04 21:27:14,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.09 09:27:13" (2/3) ... [2020-09-04 21:27:14,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@29b59c07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.09 09:27:14, skipping insertion in model container [2020-09-04 21:27:14,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.09 09:27:14" (3/3) ... [2020-09-04 21:27:14,847 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product62.cil.c [2020-09-04 21:27:14,858 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-04 21:27:14,869 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-04 21:27:14,891 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-04 21:27:14,919 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-04 21:27:14,919 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-04 21:27:14,919 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-04 21:27:14,919 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-04 21:27:14,919 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-04 21:27:14,919 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-04 21:27:14,920 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-04 21:27:14,920 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-04 21:27:14,944 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-09-04 21:27:14,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-09-04 21:27:14,969 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:14,971 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 21:27:14,971 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:14,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:14,979 INFO L82 PathProgramCache]: Analyzing trace with hash -593535945, now seen corresponding path program 1 times [2020-09-04 21:27:14,991 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:14,991 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [240166574] [2020-09-04 21:27:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:15,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,826 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:15,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:15,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:15,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:15,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:15,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:15,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-04 21:27:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:15,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-09-04 21:27:15,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:15,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-09-04 21:27:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:16,031 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 21:27:16,032 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [240166574] [2020-09-04 21:27:16,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:27:16,035 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-04 21:27:16,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1615014996] [2020-09-04 21:27:16,044 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-04 21:27:16,044 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:16,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-04 21:27:16,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-04 21:27:16,065 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 4 states. [2020-09-04 21:27:17,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:17,724 INFO L93 Difference]: Finished difference Result 589 states and 690 transitions. [2020-09-04 21:27:17,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-04 21:27:17,726 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-09-04 21:27:17,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:17,749 INFO L225 Difference]: With dead ends: 589 [2020-09-04 21:27:17,749 INFO L226 Difference]: Without dead ends: 362 [2020-09-04 21:27:17,756 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 21:27:17,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2020-09-04 21:27:17,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 312. [2020-09-04 21:27:17,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 312 states. [2020-09-04 21:27:17,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 342 transitions. [2020-09-04 21:27:17,960 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 342 transitions. Word has length 160 [2020-09-04 21:27:17,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:17,961 INFO L479 AbstractCegarLoop]: Abstraction has 312 states and 342 transitions. [2020-09-04 21:27:17,961 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-04 21:27:17,962 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 342 transitions. [2020-09-04 21:27:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-04 21:27:17,967 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:17,968 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 21:27:17,968 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-04 21:27:17,968 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:17,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:17,969 INFO L82 PathProgramCache]: Analyzing trace with hash 151672551, now seen corresponding path program 1 times [2020-09-04 21:27:17,969 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:17,969 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [82734440] [2020-09-04 21:27:17,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:18,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,342 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:18,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:18,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:18,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:18,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:18,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:27:18,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:27:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:18,441 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 21:27:18,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [82734440] [2020-09-04 21:27:18,442 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:27:18,442 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-04 21:27:18,442 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990413185] [2020-09-04 21:27:18,444 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-04 21:27:18,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:18,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-04 21:27:18,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-04 21:27:18,445 INFO L87 Difference]: Start difference. First operand 312 states and 342 transitions. Second operand 5 states. [2020-09-04 21:27:19,130 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:20,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:20,556 INFO L93 Difference]: Finished difference Result 514 states and 582 transitions. [2020-09-04 21:27:20,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-04 21:27:20,557 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 161 [2020-09-04 21:27:20,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:20,566 INFO L225 Difference]: With dead ends: 514 [2020-09-04 21:27:20,567 INFO L226 Difference]: Without dead ends: 351 [2020-09-04 21:27:20,571 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-04 21:27:20,576 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2020-09-04 21:27:20,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 302. [2020-09-04 21:27:20,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-09-04 21:27:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 329 transitions. [2020-09-04 21:27:20,690 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 329 transitions. Word has length 161 [2020-09-04 21:27:20,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:20,691 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 329 transitions. [2020-09-04 21:27:20,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-04 21:27:20,691 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 329 transitions. [2020-09-04 21:27:20,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2020-09-04 21:27:20,694 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:20,695 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:27:20,695 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-04 21:27:20,695 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:20,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:20,696 INFO L82 PathProgramCache]: Analyzing trace with hash 530344647, now seen corresponding path program 1 times [2020-09-04 21:27:20,696 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:20,696 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1607053850] [2020-09-04 21:27:20,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,119 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:21,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:27:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:21,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2020-09-04 21:27:21,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-09-04 21:27:21,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:21,325 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 21:27:21,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1607053850] [2020-09-04 21:27:21,325 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:27:21,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:27:21,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [482876419] [2020-09-04 21:27:21,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:27:21,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:21,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:27:21,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:27:21,328 INFO L87 Difference]: Start difference. First operand 302 states and 329 transitions. Second operand 11 states. [2020-09-04 21:27:22,147 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:22,637 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:22,995 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:27:23,247 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:23,561 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:23,859 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:26,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:26,127 INFO L93 Difference]: Finished difference Result 561 states and 647 transitions. [2020-09-04 21:27:26,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-09-04 21:27:26,127 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2020-09-04 21:27:26,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:26,131 INFO L225 Difference]: With dead ends: 561 [2020-09-04 21:27:26,132 INFO L226 Difference]: Without dead ends: 374 [2020-09-04 21:27:26,133 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:27:26,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-09-04 21:27:26,226 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 302. [2020-09-04 21:27:26,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2020-09-04 21:27:26,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 328 transitions. [2020-09-04 21:27:26,229 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 328 transitions. Word has length 174 [2020-09-04 21:27:26,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:26,230 INFO L479 AbstractCegarLoop]: Abstraction has 302 states and 328 transitions. [2020-09-04 21:27:26,230 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:27:26,230 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 328 transitions. [2020-09-04 21:27:26,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-09-04 21:27:26,234 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:26,234 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] [2020-09-04 21:27:26,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-04 21:27:26,234 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:26,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:26,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1028091402, now seen corresponding path program 1 times [2020-09-04 21:27:26,235 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:26,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [618189468] [2020-09-04 21:27:26,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,569 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:26,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:26,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:26,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:26,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:27:26,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:26,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:26,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:27:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:26,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-09-04 21:27:26,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-09-04 21:27:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:26,870 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 21:27:26,870 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [618189468] [2020-09-04 21:27:26,871 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:27:26,871 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:27:26,871 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [872877987] [2020-09-04 21:27:26,872 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:27:26,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:26,873 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:27:26,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:27:26,873 INFO L87 Difference]: Start difference. First operand 302 states and 328 transitions. Second operand 8 states. [2020-09-04 21:27:27,550 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:29,701 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:30,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:30,618 INFO L93 Difference]: Finished difference Result 769 states and 911 transitions. [2020-09-04 21:27:30,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-09-04 21:27:30,618 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2020-09-04 21:27:30,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:30,627 INFO L225 Difference]: With dead ends: 769 [2020-09-04 21:27:30,627 INFO L226 Difference]: Without dead ends: 582 [2020-09-04 21:27:30,628 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2020-09-04 21:27:30,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-09-04 21:27:30,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 444. [2020-09-04 21:27:30,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 444 states. [2020-09-04 21:27:30,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 444 states and 479 transitions. [2020-09-04 21:27:30,794 INFO L78 Accepts]: Start accepts. Automaton has 444 states and 479 transitions. Word has length 192 [2020-09-04 21:27:30,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:30,795 INFO L479 AbstractCegarLoop]: Abstraction has 444 states and 479 transitions. [2020-09-04 21:27:30,795 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:27:30,795 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 479 transitions. [2020-09-04 21:27:30,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2020-09-04 21:27:30,798 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:30,799 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] [2020-09-04 21:27:30,799 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-04 21:27:30,799 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:30,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:30,800 INFO L82 PathProgramCache]: Analyzing trace with hash 1796704782, now seen corresponding path program 1 times [2020-09-04 21:27:30,800 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:30,800 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [924452790] [2020-09-04 21:27:30,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:30,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,173 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:31,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:31,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:27:31,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:27:31,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:31,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:31,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-09-04 21:27:31,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-09-04 21:27:31,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:31,475 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 21:27:31,475 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [924452790] [2020-09-04 21:27:31,476 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:27:31,476 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:27:31,476 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [231235743] [2020-09-04 21:27:31,477 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:27:31,477 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:31,477 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:27:31,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:27:31,478 INFO L87 Difference]: Start difference. First operand 444 states and 479 transitions. Second operand 11 states. [2020-09-04 21:27:32,078 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:33,107 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:33,405 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:34,790 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:35,087 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:35,461 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:36,140 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:36,450 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:27:36,738 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:37,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:37,976 INFO L93 Difference]: Finished difference Result 910 states and 1054 transitions. [2020-09-04 21:27:37,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-09-04 21:27:37,978 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2020-09-04 21:27:37,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:37,983 INFO L225 Difference]: With dead ends: 910 [2020-09-04 21:27:37,983 INFO L226 Difference]: Without dead ends: 581 [2020-09-04 21:27:37,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2020-09-04 21:27:37,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 581 states. [2020-09-04 21:27:38,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 581 to 443. [2020-09-04 21:27:38,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-09-04 21:27:38,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 476 transitions. [2020-09-04 21:27:38,115 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 476 transitions. Word has length 216 [2020-09-04 21:27:38,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:38,116 INFO L479 AbstractCegarLoop]: Abstraction has 443 states and 476 transitions. [2020-09-04 21:27:38,116 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:27:38,116 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 476 transitions. [2020-09-04 21:27:38,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-04 21:27:38,120 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:38,120 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:27:38,120 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-04 21:27:38,120 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:38,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:38,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1088421938, now seen corresponding path program 1 times [2020-09-04 21:27:38,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:38,121 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [940254107] [2020-09-04 21:27:38,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,452 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:38,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,461 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 21:27:38,491 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 21:27:38,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:38,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:27:38,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:38,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:38,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:27:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,563 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 21:27:38,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:38,602 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 3 [2020-09-04 21:27:38,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:38,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:38,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-04 21:27:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:27:38,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:38,777 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 21:27:38,778 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [940254107] [2020-09-04 21:27:38,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:27:38,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-04 21:27:38,781 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1761189272] [2020-09-04 21:27:38,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-04 21:27:38,782 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:38,782 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-04 21:27:38,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-04 21:27:38,783 INFO L87 Difference]: Start difference. First operand 443 states and 476 transitions. Second operand 11 states. [2020-09-04 21:27:40,314 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:40,635 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:27:40,978 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:27:41,295 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:41,605 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:41,895 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:43,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:43,643 INFO L93 Difference]: Finished difference Result 913 states and 1065 transitions. [2020-09-04 21:27:43,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-04 21:27:43,643 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2020-09-04 21:27:43,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:43,648 INFO L225 Difference]: With dead ends: 913 [2020-09-04 21:27:43,648 INFO L226 Difference]: Without dead ends: 585 [2020-09-04 21:27:43,650 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-09-04 21:27:43,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 585 states. [2020-09-04 21:27:43,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 451. [2020-09-04 21:27:43,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2020-09-04 21:27:43,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 484 transitions. [2020-09-04 21:27:43,836 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 484 transitions. Word has length 239 [2020-09-04 21:27:43,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:43,836 INFO L479 AbstractCegarLoop]: Abstraction has 451 states and 484 transitions. [2020-09-04 21:27:43,837 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-04 21:27:43,837 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 484 transitions. [2020-09-04 21:27:43,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-04 21:27:43,841 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:43,841 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:27:43,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-04 21:27:43,842 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:43,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:43,842 INFO L82 PathProgramCache]: Analyzing trace with hash -1452382062, now seen corresponding path program 1 times [2020-09-04 21:27:43,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:43,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [710750800] [2020-09-04 21:27:43,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,202 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:44,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:44,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:44,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:44,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:44,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:27:44,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:27:44,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:44,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:44,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:44,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:44,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-04 21:27:44,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:27:44,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:44,485 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 21:27:44,490 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [710750800] [2020-09-04 21:27:44,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:27:44,491 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-09-04 21:27:44,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501626176] [2020-09-04 21:27:44,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-09-04 21:27:44,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:44,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-09-04 21:27:44,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-09-04 21:27:44,493 INFO L87 Difference]: Start difference. First operand 451 states and 484 transitions. Second operand 14 states. [2020-09-04 21:27:45,133 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:27:45,454 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:27:45,754 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:46,074 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:46,369 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:47,584 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:47,904 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:48,232 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:48,569 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:27:48,918 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:27:50,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:50,966 INFO L93 Difference]: Finished difference Result 930 states and 1083 transitions. [2020-09-04 21:27:50,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-04 21:27:50,967 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 239 [2020-09-04 21:27:50,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:50,971 INFO L225 Difference]: With dead ends: 930 [2020-09-04 21:27:50,971 INFO L226 Difference]: Without dead ends: 594 [2020-09-04 21:27:50,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-09-04 21:27:50,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-09-04 21:27:51,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 457. [2020-09-04 21:27:51,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 457 states. [2020-09-04 21:27:51,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 490 transitions. [2020-09-04 21:27:51,086 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 490 transitions. Word has length 239 [2020-09-04 21:27:51,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:51,087 INFO L479 AbstractCegarLoop]: Abstraction has 457 states and 490 transitions. [2020-09-04 21:27:51,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-09-04 21:27:51,087 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 490 transitions. [2020-09-04 21:27:51,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2020-09-04 21:27:51,089 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:51,089 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:27:51,089 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-09-04 21:27:51,090 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:51,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:51,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1511087183, now seen corresponding path program 1 times [2020-09-04 21:27:51,090 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:51,090 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [61391219] [2020-09-04 21:27:51,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,488 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:51,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:51,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:51,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:51,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-04 21:27:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:51,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:51,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-09-04 21:27:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:51,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:51,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:51,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:51,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:51,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-09-04 21:27:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-09-04 21:27:51,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:51,949 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 21:27:51,950 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [61391219] [2020-09-04 21:27:51,950 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:27:51,950 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-04 21:27:51,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [25881435] [2020-09-04 21:27:51,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-04 21:27:51,952 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:51,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-04 21:27:51,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-09-04 21:27:51,953 INFO L87 Difference]: Start difference. First operand 457 states and 490 transitions. Second operand 8 states. [2020-09-04 21:27:52,579 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:53,285 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:27:56,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:27:56,828 INFO L93 Difference]: Finished difference Result 1271 states and 1519 transitions. [2020-09-04 21:27:56,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-09-04 21:27:56,829 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2020-09-04 21:27:56,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:27:56,835 INFO L225 Difference]: With dead ends: 1271 [2020-09-04 21:27:56,835 INFO L226 Difference]: Without dead ends: 929 [2020-09-04 21:27:56,837 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 52 SyntacticMatches, 4 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 140 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-09-04 21:27:56,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2020-09-04 21:27:57,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 722. [2020-09-04 21:27:57,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 722 states. [2020-09-04 21:27:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 722 states and 794 transitions. [2020-09-04 21:27:57,028 INFO L78 Accepts]: Start accepts. Automaton has 722 states and 794 transitions. Word has length 239 [2020-09-04 21:27:57,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:27:57,029 INFO L479 AbstractCegarLoop]: Abstraction has 722 states and 794 transitions. [2020-09-04 21:27:57,029 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-04 21:27:57,029 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 794 transitions. [2020-09-04 21:27:57,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2020-09-04 21:27:57,031 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:27:57,031 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:27:57,031 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-09-04 21:27:57,031 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:27:57,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:27:57,032 INFO L82 PathProgramCache]: Analyzing trace with hash -1367745327, now seen corresponding path program 1 times [2020-09-04 21:27:57,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:27:57,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [921338324] [2020-09-04 21:27:57,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:27:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,464 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:27:57,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:57,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:27:57,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:27:57,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:27:57,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:27:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:27:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:27:57,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:27:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-04 21:27:57,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:27:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-09-04 21:27:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:27:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:27:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:27:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:27:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:27:57,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-09-04 21:27:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-09-04 21:27:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:27:57,868 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 21:27:57,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [921338324] [2020-09-04 21:27:57,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-04 21:27:57,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-09-04 21:27:57,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251288210] [2020-09-04 21:27:57,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-09-04 21:27:57,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:27:57,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-09-04 21:27:57,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-09-04 21:27:57,871 INFO L87 Difference]: Start difference. First operand 722 states and 794 transitions. Second operand 15 states. [2020-09-04 21:27:58,732 WARN L193 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:27:59,616 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:01,690 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 191 [2020-09-04 21:28:02,293 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:28:02,661 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:28:02,973 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:03,575 WARN L193 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 192 [2020-09-04 21:28:03,889 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:28:04,248 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:04,566 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:28:07,066 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:07,356 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:28:07,721 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:28:08,452 WARN L193 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:28:10,448 WARN L193 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 191 [2020-09-04 21:28:11,038 WARN L193 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 193 [2020-09-04 21:28:11,764 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:28:12,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:28:12,705 INFO L93 Difference]: Finished difference Result 2258 states and 2691 transitions. [2020-09-04 21:28:12,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-09-04 21:28:12,705 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2020-09-04 21:28:12,706 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:28:12,717 INFO L225 Difference]: With dead ends: 2258 [2020-09-04 21:28:12,718 INFO L226 Difference]: Without dead ends: 1763 [2020-09-04 21:28:12,721 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1149 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=786, Invalid=2996, Unknown=0, NotChecked=0, Total=3782 [2020-09-04 21:28:12,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1763 states. [2020-09-04 21:28:13,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1763 to 1319. [2020-09-04 21:28:13,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1319 states. [2020-09-04 21:28:13,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1319 states to 1319 states and 1439 transitions. [2020-09-04 21:28:13,314 INFO L78 Accepts]: Start accepts. Automaton has 1319 states and 1439 transitions. Word has length 244 [2020-09-04 21:28:13,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:28:13,314 INFO L479 AbstractCegarLoop]: Abstraction has 1319 states and 1439 transitions. [2020-09-04 21:28:13,315 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-09-04 21:28:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 1319 states and 1439 transitions. [2020-09-04 21:28:13,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2020-09-04 21:28:13,318 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:28:13,318 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:28:13,319 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-09-04 21:28:13,319 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:28:13,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:28:13,319 INFO L82 PathProgramCache]: Analyzing trace with hash 253248570, now seen corresponding path program 1 times [2020-09-04 21:28:13,319 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:28:13,319 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [331093798] [2020-09-04 21:28:13,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:28:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,727 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:28:13,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:13,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:28:13,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:28:13,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:28:13,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:28:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:28:13,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:28:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:28:13,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:28:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:13,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:28:13,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:13,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:13,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:13,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:13,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:14,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:14,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:28:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:28:14,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-09-04 21:28:14,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:14,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-09-04 21:28:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-09-04 21:28:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:14,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:14,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:14,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:14,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:14,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-09-04 21:28:14,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 345 [2020-09-04 21:28:14,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:14,461 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2020-09-04 21:28:14,461 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [331093798] [2020-09-04 21:28:14,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:28:14,461 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:28:14,462 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791191478] [2020-09-04 21:28:14,462 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:28:14,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:28:14,463 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:28:14,463 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:28:14,463 INFO L87 Difference]: Start difference. First operand 1319 states and 1439 transitions. Second operand 19 states. [2020-09-04 21:28:15,400 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:28:15,711 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:28:16,021 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:28:16,323 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:16,608 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:28:17,751 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:28:18,110 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:28:18,428 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:18,989 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:28:19,387 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-09-04 21:28:20,736 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:28:21,163 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-09-04 21:28:22,230 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:23,350 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:28:24,459 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:28:25,058 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:28:25,644 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 193 [2020-09-04 21:28:26,082 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:26,948 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:28:27,611 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:28:28,010 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:28:29,341 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:29,943 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 194 [2020-09-04 21:28:30,621 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 196 [2020-09-04 21:28:31,859 WARN L193 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 195 [2020-09-04 21:28:33,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:28:33,620 INFO L93 Difference]: Finished difference Result 3130 states and 3606 transitions. [2020-09-04 21:28:33,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-09-04 21:28:33,621 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 358 [2020-09-04 21:28:33,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:28:33,633 INFO L225 Difference]: With dead ends: 3130 [2020-09-04 21:28:33,633 INFO L226 Difference]: Without dead ends: 2033 [2020-09-04 21:28:33,638 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1961 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=1205, Invalid=5601, Unknown=0, NotChecked=0, Total=6806 [2020-09-04 21:28:33,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2033 states. [2020-09-04 21:28:34,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2033 to 1550. [2020-09-04 21:28:34,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1550 states. [2020-09-04 21:28:34,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1550 states and 1698 transitions. [2020-09-04 21:28:34,471 INFO L78 Accepts]: Start accepts. Automaton has 1550 states and 1698 transitions. Word has length 358 [2020-09-04 21:28:34,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:28:34,472 INFO L479 AbstractCegarLoop]: Abstraction has 1550 states and 1698 transitions. [2020-09-04 21:28:34,472 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:28:34,473 INFO L276 IsEmpty]: Start isEmpty. Operand 1550 states and 1698 transitions. [2020-09-04 21:28:34,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2020-09-04 21:28:34,484 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:28:34,485 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, 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 21:28:34,485 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-09-04 21:28:34,485 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:28:34,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:28:34,486 INFO L82 PathProgramCache]: Analyzing trace with hash 1336984902, now seen corresponding path program 1 times [2020-09-04 21:28:34,487 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:28:34,487 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2125032959] [2020-09-04 21:28:34,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:28:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:34,991 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:28:34,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:34,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:28:35,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:28:35,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:28:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:28:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:28:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:28:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:28:35,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:28:35,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:35,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:35,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:28:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:35,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:35,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:28:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:28:35,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:28:35,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:35,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:35,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:35,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:35,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:35,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:28:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 363 [2020-09-04 21:28:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 367 [2020-09-04 21:28:35,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:35,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:28:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 445 [2020-09-04 21:28:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 450 [2020-09-04 21:28:35,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-09-04 21:28:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:35,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 532 [2020-09-04 21:28:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-09-04 21:28:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:35,848 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 327 trivial. 0 not checked. [2020-09-04 21:28:35,848 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2125032959] [2020-09-04 21:28:35,849 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:28:35,849 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:28:35,849 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870060543] [2020-09-04 21:28:35,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:28:35,853 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:28:35,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:28:35,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:28:35,854 INFO L87 Difference]: Start difference. First operand 1550 states and 1698 transitions. Second operand 17 states. [2020-09-04 21:28:38,209 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:28:38,532 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:38,869 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:39,210 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:39,529 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:39,844 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:42,367 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:42,773 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:28:47,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:28:47,415 INFO L93 Difference]: Finished difference Result 4467 states and 5258 transitions. [2020-09-04 21:28:47,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-09-04 21:28:47,416 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 555 [2020-09-04 21:28:47,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:28:47,431 INFO L225 Difference]: With dead ends: 4467 [2020-09-04 21:28:47,432 INFO L226 Difference]: Without dead ends: 2831 [2020-09-04 21:28:47,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 133 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 550 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=505, Invalid=1751, Unknown=0, NotChecked=0, Total=2256 [2020-09-04 21:28:47,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2831 states. [2020-09-04 21:28:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2831 to 1979. [2020-09-04 21:28:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1979 states. [2020-09-04 21:28:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1979 states and 2200 transitions. [2020-09-04 21:28:48,483 INFO L78 Accepts]: Start accepts. Automaton has 1979 states and 2200 transitions. Word has length 555 [2020-09-04 21:28:48,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:28:48,484 INFO L479 AbstractCegarLoop]: Abstraction has 1979 states and 2200 transitions. [2020-09-04 21:28:48,484 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:28:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2200 transitions. [2020-09-04 21:28:48,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 570 [2020-09-04 21:28:48,494 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:28:48,494 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 21:28:48,494 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-09-04 21:28:48,495 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:28:48,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:28:48,495 INFO L82 PathProgramCache]: Analyzing trace with hash 560029211, now seen corresponding path program 1 times [2020-09-04 21:28:48,495 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:28:48,496 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135015434] [2020-09-04 21:28:48,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:28:48,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:48,879 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:28:48,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:48,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:48,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:28:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:48,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:28:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:48,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:28:48,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:28:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:48,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:28:48,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:48,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:28:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:48,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:28:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:28:49,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:49,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:28:49,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:49,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:49,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:28:49,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:28:49,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:28:49,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:49,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:49,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:49,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:49,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:49,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:49,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:49,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:28:49,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:28:49,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:28:49,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 373 [2020-09-04 21:28:49,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 377 [2020-09-04 21:28:49,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:28:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:49,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:49,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:28:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:28:49,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-09-04 21:28:49,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-09-04 21:28:49,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 464 [2020-09-04 21:28:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:28:49,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 478 [2020-09-04 21:28:49,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:28:49,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:28:49,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:28:49,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:28:49,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:28:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-09-04 21:28:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 556 [2020-09-04 21:28:49,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:28:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 134 proven. 47 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2020-09-04 21:28:49,899 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135015434] [2020-09-04 21:28:49,899 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:28:49,900 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-09-04 21:28:49,900 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [429567232] [2020-09-04 21:28:49,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-09-04 21:28:49,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:28:49,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-09-04 21:28:49,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-09-04 21:28:49,902 INFO L87 Difference]: Start difference. First operand 1979 states and 2200 transitions. Second operand 19 states. [2020-09-04 21:28:50,687 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:51,086 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:51,409 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:28:51,729 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:52,044 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:28:52,347 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:28:53,512 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:28:53,825 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:55,333 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:28:55,716 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:56,136 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:28:56,719 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:28:57,953 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:28:58,265 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:28:59,891 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:29:00,279 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:29:00,580 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:29:02,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:29:02,286 INFO L93 Difference]: Finished difference Result 4143 states and 4819 transitions. [2020-09-04 21:29:02,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2020-09-04 21:29:02,287 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 569 [2020-09-04 21:29:02,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:29:02,301 INFO L225 Difference]: With dead ends: 4143 [2020-09-04 21:29:02,301 INFO L226 Difference]: Without dead ends: 2422 [2020-09-04 21:29:02,308 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 839 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=646, Invalid=2660, Unknown=0, NotChecked=0, Total=3306 [2020-09-04 21:29:02,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2422 states. [2020-09-04 21:29:03,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2422 to 1907. [2020-09-04 21:29:03,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1907 states. [2020-09-04 21:29:03,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1907 states and 2101 transitions. [2020-09-04 21:29:03,253 INFO L78 Accepts]: Start accepts. Automaton has 1907 states and 2101 transitions. Word has length 569 [2020-09-04 21:29:03,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:29:03,254 INFO L479 AbstractCegarLoop]: Abstraction has 1907 states and 2101 transitions. [2020-09-04 21:29:03,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-09-04 21:29:03,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1907 states and 2101 transitions. [2020-09-04 21:29:03,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 567 [2020-09-04 21:29:03,262 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:29:03,263 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-09-04 21:29:03,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-09-04 21:29:03,263 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:29:03,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:29:03,264 INFO L82 PathProgramCache]: Analyzing trace with hash -2002166072, now seen corresponding path program 1 times [2020-09-04 21:29:03,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:29:03,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2033529159] [2020-09-04 21:29:03,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:29:03,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,657 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:29:03,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:03,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:29:03,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:29:03,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:29:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:29:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:29:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:29:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:29:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:29:03,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:03,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:03,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:03,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:03,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:29:03,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:29:03,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:29:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:03,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:03,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:03,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:03,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:03,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:03,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:29:03,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:29:03,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:03,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 374 [2020-09-04 21:29:03,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 378 [2020-09-04 21:29:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:03,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:03,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:03,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:03,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:04,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:29:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-09-04 21:29:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2020-09-04 21:29:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:04,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-09-04 21:29:04,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:04,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:04,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:04,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:04,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-09-04 21:29:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-09-04 21:29:04,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:04,384 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 122 proven. 11 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2020-09-04 21:29:04,385 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2033529159] [2020-09-04 21:29:04,385 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:29:04,385 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-09-04 21:29:04,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92538218] [2020-09-04 21:29:04,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-09-04 21:29:04,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:29:04,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-09-04 21:29:04,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-09-04 21:29:04,387 INFO L87 Difference]: Start difference. First operand 1907 states and 2101 transitions. Second operand 17 states. [2020-09-04 21:29:04,977 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:06,193 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:29:08,284 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:08,647 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:09,043 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:09,441 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:09,758 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:29:10,085 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:10,415 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:29:10,779 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:11,144 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:29:11,564 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:29:11,916 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:29:12,307 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:29:14,711 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:15,335 WARN L193 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 197 [2020-09-04 21:29:15,927 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 194 [2020-09-04 21:29:16,276 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:29:16,637 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-09-04 21:29:16,983 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2020-09-04 21:29:19,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:29:19,984 INFO L93 Difference]: Finished difference Result 6326 states and 7420 transitions. [2020-09-04 21:29:19,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-09-04 21:29:19,984 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 566 [2020-09-04 21:29:19,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:29:20,008 INFO L225 Difference]: With dead ends: 6326 [2020-09-04 21:29:20,009 INFO L226 Difference]: Without dead ends: 4547 [2020-09-04 21:29:20,017 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1126 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=798, Invalid=3234, Unknown=0, NotChecked=0, Total=4032 [2020-09-04 21:29:20,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4547 states. [2020-09-04 21:29:21,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4547 to 3640. [2020-09-04 21:29:21,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3640 states. [2020-09-04 21:29:21,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3640 states to 3640 states and 3983 transitions. [2020-09-04 21:29:21,509 INFO L78 Accepts]: Start accepts. Automaton has 3640 states and 3983 transitions. Word has length 566 [2020-09-04 21:29:21,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:29:21,510 INFO L479 AbstractCegarLoop]: Abstraction has 3640 states and 3983 transitions. [2020-09-04 21:29:21,511 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-09-04 21:29:21,511 INFO L276 IsEmpty]: Start isEmpty. Operand 3640 states and 3983 transitions. [2020-09-04 21:29:21,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 572 [2020-09-04 21:29:21,523 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:29:21,524 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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 21:29:21,524 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-09-04 21:29:21,524 INFO L427 AbstractCegarLoop]: === Iteration 14 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:29:21,524 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:29:21,524 INFO L82 PathProgramCache]: Analyzing trace with hash -1751659808, now seen corresponding path program 1 times [2020-09-04 21:29:21,525 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:29:21,525 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895581396] [2020-09-04 21:29:21,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:29:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:21,978 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:29:21,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:21,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:29:22,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:29:22,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:29:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:29:22,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:29:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:29:22,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:29:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:29:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:22,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:22,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:22,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:22,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:22,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:22,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:29:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:29:22,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:29:22,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:22,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:22,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:22,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:22,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:29:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:29:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:22,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-09-04 21:29:22,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-09-04 21:29:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2020-09-04 21:29:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:22,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:22,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:22,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:22,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:22,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:29:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2020-09-04 21:29:22,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 466 [2020-09-04 21:29:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:22,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-09-04 21:29:22,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:22,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 548 [2020-09-04 21:29:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 558 [2020-09-04 21:29:22,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:22,874 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 141 proven. 3 refuted. 0 times theorem prover too weak. 376 trivial. 0 not checked. [2020-09-04 21:29:22,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895581396] [2020-09-04 21:29:22,875 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:29:22,875 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-09-04 21:29:22,875 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807971919] [2020-09-04 21:29:22,876 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-09-04 21:29:22,876 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:29:22,876 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-09-04 21:29:22,877 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-09-04 21:29:22,877 INFO L87 Difference]: Start difference. First operand 3640 states and 3983 transitions. Second operand 23 states. [2020-09-04 21:29:23,610 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:24,071 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:29:24,400 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:29:24,740 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:25,073 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:29:25,387 WARN L193 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:26,483 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:28,809 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:29,194 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:29,620 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:30,040 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:30,363 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:30,712 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:31,060 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:31,461 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:31,937 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:32,387 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:32,768 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:33,172 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:33,886 WARN L193 SmtUtils]: Spent 573.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:29:34,672 WARN L193 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:29:35,354 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:29:41,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:29:41,753 INFO L93 Difference]: Finished difference Result 8433 states and 9890 transitions. [2020-09-04 21:29:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-09-04 21:29:41,754 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 571 [2020-09-04 21:29:41,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:29:41,783 INFO L225 Difference]: With dead ends: 8433 [2020-09-04 21:29:41,783 INFO L226 Difference]: Without dead ends: 5175 [2020-09-04 21:29:41,796 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 149 SyntacticMatches, 3 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1993 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=1229, Invalid=5413, Unknown=0, NotChecked=0, Total=6642 [2020-09-04 21:29:41,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5175 states. [2020-09-04 21:29:43,121 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5175 to 3425. [2020-09-04 21:29:43,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3425 states. [2020-09-04 21:29:43,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3425 states to 3425 states and 3729 transitions. [2020-09-04 21:29:43,128 INFO L78 Accepts]: Start accepts. Automaton has 3425 states and 3729 transitions. Word has length 571 [2020-09-04 21:29:43,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:29:43,128 INFO L479 AbstractCegarLoop]: Abstraction has 3425 states and 3729 transitions. [2020-09-04 21:29:43,128 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-09-04 21:29:43,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3425 states and 3729 transitions. [2020-09-04 21:29:43,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2020-09-04 21:29:43,139 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:29:43,140 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:29:43,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-09-04 21:29:43,140 INFO L427 AbstractCegarLoop]: === Iteration 15 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:29:43,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:29:43,141 INFO L82 PathProgramCache]: Analyzing trace with hash 501050250, now seen corresponding path program 1 times [2020-09-04 21:29:43,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:29:43,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1505753770] [2020-09-04 21:29:43,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:29:43,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,593 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:29:43,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:29:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:29:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:29:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:29:43,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:29:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:29:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:29:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:29:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:29:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:43,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:43,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:43,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:43,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:43,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:29:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:29:43,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:29:43,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:43,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:43,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:43,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:43,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:29:43,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:43,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:29:43,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:43,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:43,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:29:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-09-04 21:29:44,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-09-04 21:29:44,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2020-09-04 21:29:44,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:44,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:29:44,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:29:44,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:29:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-09-04 21:29:44,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2020-09-04 21:29:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-09-04 21:29:44,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 475 [2020-09-04 21:29:44,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:29:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2020-09-04 21:29:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:44,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:29:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:29:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:29:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:29:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:29:44,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2020-09-04 21:29:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2020-09-04 21:29:44,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:29:44,317 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 128 proven. 47 refuted. 0 times theorem prover too weak. 353 trivial. 0 not checked. [2020-09-04 21:29:44,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1505753770] [2020-09-04 21:29:44,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:29:44,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:29:44,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [672536955] [2020-09-04 21:29:44,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:29:44,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:29:44,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:29:44,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:29:44,320 INFO L87 Difference]: Start difference. First operand 3425 states and 3729 transitions. Second operand 18 states. [2020-09-04 21:29:44,946 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:46,946 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:29:48,010 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:48,366 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:49,022 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:29:49,365 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:29:50,020 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 193 [2020-09-04 21:29:50,340 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:29:50,943 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 191 [2020-09-04 21:29:51,583 WARN L193 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:29:52,260 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 196 [2020-09-04 21:29:52,886 WARN L193 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:29:53,488 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 189 [2020-09-04 21:29:56,890 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 192 [2020-09-04 21:29:57,524 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 195 [2020-09-04 21:29:59,561 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:30:00,721 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:30:01,092 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:30:01,733 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:30:02,061 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:30:02,701 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-04 21:30:03,018 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-04 21:30:03,686 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-04 21:30:04,041 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:30:04,454 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2020-09-04 21:30:04,814 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 196 [2020-09-04 21:30:10,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:30:10,343 INFO L93 Difference]: Finished difference Result 9875 states and 11920 transitions. [2020-09-04 21:30:10,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 96 states. [2020-09-04 21:30:10,344 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 580 [2020-09-04 21:30:10,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:30:10,380 INFO L225 Difference]: With dead ends: 9875 [2020-09-04 21:30:10,380 INFO L226 Difference]: Without dead ends: 7823 [2020-09-04 21:30:10,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 282 GetRequests, 173 SyntacticMatches, 6 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3702 ImplicationChecksByTransitivity, 13.6s TimeCoverageRelationStatistics Valid=1877, Invalid=9043, Unknown=0, NotChecked=0, Total=10920 [2020-09-04 21:30:10,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7823 states. [2020-09-04 21:30:12,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7823 to 4978. [2020-09-04 21:30:12,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4978 states. [2020-09-04 21:30:12,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4978 states to 4978 states and 5376 transitions. [2020-09-04 21:30:12,283 INFO L78 Accepts]: Start accepts. Automaton has 4978 states and 5376 transitions. Word has length 580 [2020-09-04 21:30:12,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:30:12,283 INFO L479 AbstractCegarLoop]: Abstraction has 4978 states and 5376 transitions. [2020-09-04 21:30:12,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:30:12,284 INFO L276 IsEmpty]: Start isEmpty. Operand 4978 states and 5376 transitions. [2020-09-04 21:30:12,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 711 [2020-09-04 21:30:12,298 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:30:12,298 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-04 21:30:12,298 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-09-04 21:30:12,299 INFO L427 AbstractCegarLoop]: === Iteration 16 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:30:12,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:30:12,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1825373130, now seen corresponding path program 1 times [2020-09-04 21:30:12,299 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:30:12,299 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624278558] [2020-09-04 21:30:12,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:30:12,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,743 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:30:12,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:12,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:30:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:30:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:30:12,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:30:12,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:30:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:30:12,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:30:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:30:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:12,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:30:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:12,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:12,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:12,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:30:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:12,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:12,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:30:12,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:12,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:30:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:30:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:13,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:30:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:13,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:30:13,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:13,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:30:13,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:30:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:30:13,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-09-04 21:30:13,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-09-04 21:30:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2020-09-04 21:30:13,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:13,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:30:13,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:13,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:13,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:30:13,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:30:13,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:30:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2020-09-04 21:30:13,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-09-04 21:30:13,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-09-04 21:30:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:13,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:13,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:30:13,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:13,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:30:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:30:13,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:30:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 582 [2020-09-04 21:30:13,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2020-09-04 21:30:13,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 600 [2020-09-04 21:30:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 605 [2020-09-04 21:30:13,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:13,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2020-09-04 21:30:13,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:13,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:30:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2020-09-04 21:30:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 697 [2020-09-04 21:30:13,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:13,781 INFO L134 CoverageAnalysis]: Checked inductivity of 934 backedges. 214 proven. 80 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2020-09-04 21:30:13,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624278558] [2020-09-04 21:30:13,781 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:30:13,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-09-04 21:30:13,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472410832] [2020-09-04 21:30:13,783 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-09-04 21:30:13,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:30:13,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-09-04 21:30:13,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-09-04 21:30:13,783 INFO L87 Difference]: Start difference. First operand 4978 states and 5376 transitions. Second operand 20 states. [2020-09-04 21:30:14,498 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:30:15,602 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:30:16,987 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:30:18,614 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:30:18,967 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:30:19,606 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:30:19,945 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:30:20,565 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2020-09-04 21:30:20,898 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:30:21,512 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 191 [2020-09-04 21:30:30,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:30:30,861 INFO L93 Difference]: Finished difference Result 11001 states and 12943 transitions. [2020-09-04 21:30:30,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-09-04 21:30:30,862 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 710 [2020-09-04 21:30:30,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:30:30,892 INFO L225 Difference]: With dead ends: 11001 [2020-09-04 21:30:30,892 INFO L226 Difference]: Without dead ends: 7825 [2020-09-04 21:30:30,902 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 190 SyntacticMatches, 8 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1774 ImplicationChecksByTransitivity, 5.6s TimeCoverageRelationStatistics Valid=1094, Invalid=4456, Unknown=0, NotChecked=0, Total=5550 [2020-09-04 21:30:30,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7825 states. [2020-09-04 21:30:32,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7825 to 4777. [2020-09-04 21:30:32,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4777 states. [2020-09-04 21:30:32,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4777 states to 4777 states and 5123 transitions. [2020-09-04 21:30:32,531 INFO L78 Accepts]: Start accepts. Automaton has 4777 states and 5123 transitions. Word has length 710 [2020-09-04 21:30:32,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:30:32,532 INFO L479 AbstractCegarLoop]: Abstraction has 4777 states and 5123 transitions. [2020-09-04 21:30:32,532 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-09-04 21:30:32,532 INFO L276 IsEmpty]: Start isEmpty. Operand 4777 states and 5123 transitions. [2020-09-04 21:30:32,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2020-09-04 21:30:32,544 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:30:32,545 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 21:30:32,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-09-04 21:30:32,546 INFO L427 AbstractCegarLoop]: === Iteration 17 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:30:32,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:30:32,546 INFO L82 PathProgramCache]: Analyzing trace with hash -164158968, now seen corresponding path program 1 times [2020-09-04 21:30:32,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:30:32,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [843005403] [2020-09-04 21:30:32,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:30:32,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:32,975 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:30:32,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:30:33,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:30:33,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:30:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:30:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:30:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:30:33,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:30:33,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:30:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:33,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:33,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:30:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:30:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:33,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:30:33,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:30:33,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:30:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:33,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:30:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:33,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:33,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:30:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:30:33,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:30:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:30:33,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-09-04 21:30:33,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-09-04 21:30:33,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2020-09-04 21:30:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:33,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:33,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:30:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:33,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:33,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:30:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:30:33,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:30:33,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-09-04 21:30:33,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-09-04 21:30:33,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-09-04 21:30:33,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:33,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:30:33,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:33,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:30:33,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 21:30:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:30:33,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2020-09-04 21:30:33,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-09-04 21:30:33,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2020-09-04 21:30:33,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-09-04 21:30:33,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:33,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-09-04 21:30:33,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:33,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:33,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:30:33,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:33,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:33,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2020-09-04 21:30:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2020-09-04 21:30:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:33,915 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 181 proven. 87 refuted. 0 times theorem prover too weak. 669 trivial. 0 not checked. [2020-09-04 21:30:33,916 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [843005403] [2020-09-04 21:30:33,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:30:33,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:30:33,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931925860] [2020-09-04 21:30:33,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:30:33,917 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:30:33,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:30:33,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:30:33,918 INFO L87 Difference]: Start difference. First operand 4777 states and 5123 transitions. Second operand 18 states. [2020-09-04 21:30:35,049 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:30:36,300 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-04 21:30:40,507 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:30:40,853 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 203 [2020-09-04 21:30:41,231 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:30:41,564 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-04 21:30:41,886 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:30:42,458 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-04 21:30:47,395 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 192 [2020-09-04 21:30:47,737 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 198 [2020-09-04 21:30:48,359 WARN L193 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-04 21:30:48,769 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-09-04 21:30:49,186 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:30:49,557 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 197 [2020-09-04 21:30:49,891 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:30:54,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:30:54,770 INFO L93 Difference]: Finished difference Result 15673 states and 18335 transitions. [2020-09-04 21:30:54,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-09-04 21:30:54,771 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 698 [2020-09-04 21:30:54,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:30:54,812 INFO L225 Difference]: With dead ends: 15673 [2020-09-04 21:30:54,812 INFO L226 Difference]: Without dead ends: 10808 [2020-09-04 21:30:54,827 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 194 SyntacticMatches, 10 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2476 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1584, Invalid=6426, Unknown=0, NotChecked=0, Total=8010 [2020-09-04 21:30:54,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10808 states. [2020-09-04 21:30:57,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10808 to 6195. [2020-09-04 21:30:57,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6195 states. [2020-09-04 21:30:57,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6195 states to 6195 states and 6634 transitions. [2020-09-04 21:30:57,265 INFO L78 Accepts]: Start accepts. Automaton has 6195 states and 6634 transitions. Word has length 698 [2020-09-04 21:30:57,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:30:57,265 INFO L479 AbstractCegarLoop]: Abstraction has 6195 states and 6634 transitions. [2020-09-04 21:30:57,266 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:30:57,266 INFO L276 IsEmpty]: Start isEmpty. Operand 6195 states and 6634 transitions. [2020-09-04 21:30:57,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 699 [2020-09-04 21:30:57,279 INFO L414 BasicCegarLoop]: Found error trace [2020-09-04 21:30:57,279 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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 21:30:57,279 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-09-04 21:30:57,280 INFO L427 AbstractCegarLoop]: === Iteration 18 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-04 21:30:57,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-04 21:30:57,280 INFO L82 PathProgramCache]: Analyzing trace with hash -779711896, now seen corresponding path program 1 times [2020-09-04 21:30:57,280 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-04 21:30:57,280 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [345354724] [2020-09-04 21:30:57,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-04 21:30:57,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,697 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-04 21:30:57,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:57,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-04 21:30:57,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-04 21:30:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-04 21:30:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-04 21:30:57,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-04 21:30:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-09-04 21:30:57,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-09-04 21:30:57,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-04 21:30:57,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:57,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:30:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:57,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:57,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:57,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:30:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:57,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 79 [2020-09-04 21:30:57,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:57,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-04 21:30:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-09-04 21:30:57,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:57,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:30:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:57,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:57,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:30:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:57,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:57,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:58,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-09-04 21:30:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-09-04 21:30:58,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:30:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 370 [2020-09-04 21:30:58,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 379 [2020-09-04 21:30:58,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 383 [2020-09-04 21:30:58,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:58,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-09-04 21:30:58,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:58,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:58,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-09-04 21:30:58,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-09-04 21:30:58,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:30:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-09-04 21:30:58,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 476 [2020-09-04 21:30:58,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-09-04 21:30:58,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:58,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:58,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-09-04 21:30:58,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:58,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:30:58,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-09-04 21:30:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-09-04 21:30:58,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 570 [2020-09-04 21:30:58,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2020-09-04 21:30:58,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 588 [2020-09-04 21:30:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 593 [2020-09-04 21:30:58,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-04 21:30:58,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 607 [2020-09-04 21:30:58,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-09-04 21:30:58,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-09-04 21:30:58,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-09-04 21:30:58,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:58,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-04 21:30:58,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-09-04 21:30:58,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2020-09-04 21:30:58,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 685 [2020-09-04 21:30:58,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-04 21:30:58,346 INFO L134 CoverageAnalysis]: Checked inductivity of 937 backedges. 168 proven. 16 refuted. 0 times theorem prover too weak. 753 trivial. 0 not checked. [2020-09-04 21:30:58,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [345354724] [2020-09-04 21:30:58,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-09-04 21:30:58,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-09-04 21:30:58,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642231299] [2020-09-04 21:30:58,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-09-04 21:30:58,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-04 21:30:58,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-09-04 21:30:58,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-09-04 21:30:58,348 INFO L87 Difference]: Start difference. First operand 6195 states and 6634 transitions. Second operand 18 states. [2020-09-04 21:30:59,125 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-04 21:30:59,452 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:30:59,777 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:31:00,099 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:31:00,405 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:31:04,732 WARN L193 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:31:05,048 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:31:05,372 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-04 21:31:05,705 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:31:06,028 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-04 21:31:06,343 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-04 21:31:07,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-04 21:31:07,384 INFO L93 Difference]: Finished difference Result 7624 states and 8344 transitions. [2020-09-04 21:31:07,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-09-04 21:31:07,385 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 698 [2020-09-04 21:31:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-04 21:31:07,387 INFO L225 Difference]: With dead ends: 7624 [2020-09-04 21:31:07,387 INFO L226 Difference]: Without dead ends: 0 [2020-09-04 21:31:07,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 446 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=574, Invalid=1778, Unknown=0, NotChecked=0, Total=2352 [2020-09-04 21:31:07,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-04 21:31:07,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-04 21:31:07,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-04 21:31:07,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-04 21:31:07,411 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 698 [2020-09-04 21:31:07,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-04 21:31:07,411 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-04 21:31:07,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-09-04 21:31:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-04 21:31:07,412 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-04 21:31:07,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-09-04 21:31:07,414 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-04 21:31:08,142 WARN L193 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:31:09,207 WARN L193 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 245 DAG size of output: 205 [2020-09-04 21:31:09,776 WARN L193 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:31:10,803 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:31:11,415 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:31:11,766 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:31:12,108 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:31:12,777 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 224 [2020-09-04 21:31:13,128 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:31:13,497 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:31:13,932 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:14,312 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:31:14,736 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:31:15,102 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:31:15,538 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:15,923 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:31:16,276 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:31:16,643 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:17,009 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:31:17,370 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:31:17,728 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:31:18,096 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:18,477 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:31:19,193 WARN L193 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-09-04 21:31:19,944 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 235 [2020-09-04 21:31:20,313 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:31:21,238 WARN L193 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 231 [2020-09-04 21:31:21,739 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:31:22,250 WARN L193 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 227 [2020-09-04 21:31:23,169 WARN L193 SmtUtils]: Spent 914.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 233 [2020-09-04 21:31:23,677 WARN L193 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:31:24,169 WARN L193 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 225 [2020-09-04 21:31:39,614 WARN L193 SmtUtils]: Spent 15.44 s on a formula simplification. DAG size of input: 758 DAG size of output: 642 [2020-09-04 21:31:40,002 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:31:40,377 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:31:40,768 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:31:41,165 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:31:41,559 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:31:41,949 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:31:42,345 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:31:42,736 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:31:43,117 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 230 [2020-09-04 21:31:43,510 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:31:43,888 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:31:44,275 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:31:44,674 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:31:45,057 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:31:45,397 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:31:58,674 WARN L193 SmtUtils]: Spent 13.27 s on a formula simplification. DAG size of input: 722 DAG size of output: 586 [2020-09-04 21:31:59,153 WARN L193 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:31:59,715 WARN L193 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:32:00,209 WARN L193 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 237 [2020-09-04 21:32:01,151 WARN L193 SmtUtils]: Spent 934.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-09-04 21:32:01,721 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:32:02,166 WARN L193 SmtUtils]: Spent 442.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 231 [2020-09-04 21:32:03,113 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 246 [2020-09-04 21:32:03,578 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 232 [2020-09-04 21:32:04,148 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:32:04,610 WARN L193 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 233 [2020-09-04 21:32:05,188 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:32:05,659 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 234 [2020-09-04 21:32:06,453 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:32:07,056 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:32:08,071 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 245 DAG size of output: 205 [2020-09-04 21:32:08,632 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:32:09,635 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:32:09,971 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:10,312 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:10,973 WARN L193 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 224 [2020-09-04 21:32:11,336 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:32:11,682 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:12,394 WARN L193 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 230 [2020-09-04 21:32:12,757 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:13,116 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:13,479 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:13,836 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:14,205 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:14,895 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:32:15,252 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:32:15,613 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:16,310 WARN L193 SmtUtils]: Spent 695.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:32:16,664 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:17,018 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:17,379 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:17,744 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:32:18,096 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:18,441 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:18,780 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:19,138 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:32:19,992 WARN L193 SmtUtils]: Spent 837.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:32:20,852 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:32:21,219 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:21,564 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:21,922 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:32:22,284 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:22,662 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:32:23,000 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:23,363 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:23,715 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:24,063 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:32:24,402 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:32:25,716 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:32:26,059 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:32:27,365 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:32:27,711 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:28,063 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:32:28,414 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:29,761 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:32:30,115 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:30,471 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:30,829 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:31,179 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:31,540 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:32:31,893 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:32,255 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:33,869 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:32:34,234 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:32:34,582 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:32:34,925 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:35,872 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:36,806 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:37,736 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:38,667 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:39,594 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:40,479 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:32:41,361 WARN L193 SmtUtils]: Spent 880.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:32:42,262 WARN L193 SmtUtils]: Spent 881.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:32:43,142 WARN L193 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:32:44,092 WARN L193 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:45,020 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:45,950 WARN L193 SmtUtils]: Spent 926.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:46,880 WARN L193 SmtUtils]: Spent 927.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 229 [2020-09-04 21:32:47,238 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:32:47,588 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:32:47,939 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:48,635 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:32:49,332 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:32:49,718 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:32:50,081 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:32:50,501 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:32:51,582 WARN L193 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 242 DAG size of output: 239 [2020-09-04 21:32:52,513 WARN L193 SmtUtils]: Spent 922.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 241 [2020-09-04 21:32:52,944 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:32:53,347 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:32:53,766 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:32:54,192 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:32:54,619 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 241 [2020-09-04 21:32:55,014 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:32:55,439 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:32:55,850 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:32:56,258 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 240 [2020-09-04 21:32:56,657 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:32:58,158 WARN L193 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 245 DAG size of output: 244 [2020-09-04 21:32:58,561 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 238 [2020-09-04 21:33:00,087 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 266 DAG size of output: 257 [2020-09-04 21:33:00,493 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:33:00,907 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:33:01,287 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:33:02,988 WARN L193 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 268 DAG size of output: 229 [2020-09-04 21:33:03,403 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:33:03,820 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2020-09-04 21:33:04,207 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:33:04,617 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:33:05,040 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:33:05,452 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:33:05,843 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:33:07,772 WARN L193 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 251 DAG size of output: 249 [2020-09-04 21:33:08,167 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:33:08,577 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 239 [2020-09-04 21:33:08,981 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:33:10,255 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 258 DAG size of output: 230 [2020-09-04 21:33:10,943 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:33:11,636 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:33:12,884 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 260 DAG size of output: 232 [2020-09-04 21:33:13,577 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:33:14,254 WARN L193 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 234 [2020-09-04 21:33:14,692 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:33:15,092 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 240 [2020-09-04 21:33:15,632 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:33:16,241 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:33:16,601 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:33:17,618 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 245 DAG size of output: 205 [2020-09-04 21:33:18,180 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:33:19,184 WARN L193 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:33:19,784 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:33:20,134 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:20,801 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 224 [2020-09-04 21:33:21,140 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:33:21,831 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:33:22,193 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:33:22,560 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:33:23,262 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:33:23,632 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:33:23,987 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:33:24,388 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:33:24,776 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:33:25,511 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 238 [2020-09-04 21:33:25,918 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:33:26,321 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:33:26,727 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2020-09-04 21:33:27,126 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:33:27,540 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 238 [2020-09-04 21:33:28,343 WARN L193 SmtUtils]: Spent 796.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 238 [2020-09-04 21:33:28,744 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:33:29,144 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 232 [2020-09-04 21:33:29,957 WARN L193 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 240 [2020-09-04 21:33:30,353 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:33:30,751 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:33:31,156 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:33:31,561 WARN L193 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 234 [2020-09-04 21:33:31,957 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:33:33,338 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 252 DAG size of output: 242 [2020-09-04 21:33:33,948 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:33:34,562 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 230 [2020-09-04 21:33:35,782 WARN L193 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 254 DAG size of output: 232 [2020-09-04 21:33:36,396 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:33:36,993 WARN L193 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 228 [2020-09-04 21:33:37,694 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:33:38,849 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 240 DAG size of output: 231 [2020-09-04 21:33:39,193 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:33:39,529 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:33:39,866 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:33:40,284 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:33:41,968 WARN L193 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-09-04 21:33:42,379 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:33:44,073 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-09-04 21:33:44,483 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:33:44,908 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:33:45,347 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:33:47,033 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 263 DAG size of output: 254 [2020-09-04 21:33:47,444 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:33:49,136 WARN L193 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 265 DAG size of output: 256 [2020-09-04 21:33:49,546 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:33:49,986 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-09-04 21:33:50,409 WARN L193 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 241 [2020-09-04 21:33:50,824 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2020-09-04 21:33:51,216 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:33:52,175 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:33:53,483 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 262 DAG size of output: 251 [2020-09-04 21:33:54,444 WARN L193 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:33:55,737 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-09-04 21:33:56,751 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 21:33:57,140 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:33:58,086 WARN L193 SmtUtils]: Spent 933.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 21:33:59,024 WARN L193 SmtUtils]: Spent 921.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:33:59,968 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2020-09-04 21:34:00,325 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:34:00,693 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:01,052 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:01,432 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:01,834 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:02,222 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:34:02,612 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:03,380 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 21:34:04,093 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 238 [2020-09-04 21:34:04,475 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:06,102 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:34:06,713 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:34:07,727 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 245 DAG size of output: 205 [2020-09-04 21:34:08,288 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:34:09,294 WARN L193 SmtUtils]: Spent 997.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:34:09,630 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:34:09,971 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:34:10,632 WARN L193 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 224 [2020-09-04 21:34:11,071 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:34:12,705 WARN L193 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 265 DAG size of output: 255 [2020-09-04 21:34:13,123 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:34:14,738 WARN L193 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 267 DAG size of output: 258 [2020-09-04 21:34:15,156 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-09-04 21:34:15,587 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 241 [2020-09-04 21:34:26,262 WARN L193 SmtUtils]: Spent 8.55 s on a formula simplification. DAG size of input: 598 DAG size of output: 494 [2020-09-04 21:34:41,990 WARN L193 SmtUtils]: Spent 15.73 s on a formula simplification. DAG size of input: 758 DAG size of output: 642 [2020-09-04 21:34:42,351 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:43,055 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:34:43,765 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:34:44,119 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:34:44,470 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:34:44,836 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:45,202 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:45,561 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:46,507 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:34:47,480 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 21:34:47,845 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:48,549 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:34:49,259 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:34:49,613 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:34:53,075 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:34:53,467 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2020-09-04 21:34:54,176 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 236 [2020-09-04 21:34:54,928 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 238 [2020-09-04 21:34:55,311 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:34:55,670 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:56,040 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:56,392 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:34:56,755 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:34:57,131 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:34:57,484 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:34:57,843 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:34:59,212 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 255 DAG size of output: 230 [2020-09-04 21:34:59,761 WARN L193 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:35:00,315 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:35:01,509 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 257 DAG size of output: 232 [2020-09-04 21:35:02,062 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:35:02,600 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:35:02,997 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2020-09-04 21:35:03,385 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:35:03,795 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 235 [2020-09-04 21:35:04,210 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:35:05,575 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:35:18,724 WARN L193 SmtUtils]: Spent 13.15 s on a formula simplification. DAG size of input: 722 DAG size of output: 586 [2020-09-04 21:35:19,432 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 230 [2020-09-04 21:35:19,793 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:35:20,137 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:35:20,500 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:35:20,867 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:35:21,225 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:21,591 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:35:22,283 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:35:22,640 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:35:23,348 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:35:23,694 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:35:24,044 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:24,404 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:35:24,757 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:35:25,112 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:35:25,477 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:35:25,829 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:35:26,514 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:35:26,890 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:35:27,575 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:35:27,944 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 230 [2020-09-04 21:35:28,649 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:35:29,018 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:35:29,389 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:35:29,750 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:35:30,092 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:30,442 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:30,803 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:35:31,161 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:35:31,523 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:31,874 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:35:32,225 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:35:32,592 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:35:32,958 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:35:33,317 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:35:34,264 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:35:35,235 WARN L193 SmtUtils]: Spent 968.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 240 [2020-09-04 21:35:35,594 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:35,954 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:35:36,304 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:37,000 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:35:37,357 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:35:37,722 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:35:38,420 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:35:38,771 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:35:39,134 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:35:39,511 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:35:40,148 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 21:35:40,841 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 226 [2020-09-04 21:35:41,533 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 226 [2020-09-04 21:35:41,781 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-09-04 21:35:42,482 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2020-09-04 21:35:43,181 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2020-09-04 21:35:43,429 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-09-04 21:35:43,674 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-09-04 21:35:44,375 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2020-09-04 21:35:45,073 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 228 [2020-09-04 21:35:45,319 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-09-04 21:35:45,564 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-09-04 21:35:45,814 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 30 [2020-09-04 21:35:46,064 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 30 [2020-09-04 21:35:46,759 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 226 [2020-09-04 21:35:47,447 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 226 [2020-09-04 21:35:47,720 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 30 [2020-09-04 21:35:47,971 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 30 [2020-09-04 21:35:48,665 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 226 [2020-09-04 21:35:49,353 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 226 [2020-09-04 21:35:49,997 WARN L193 SmtUtils]: Spent 638.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 21:35:50,633 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 21:35:50,882 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-09-04 21:35:51,127 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-09-04 21:35:51,373 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-09-04 21:35:51,624 WARN L193 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 28 [2020-09-04 21:35:52,321 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 226 [2020-09-04 21:35:52,959 WARN L193 SmtUtils]: Spent 636.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 225 [2020-09-04 21:35:53,646 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 226 [2020-09-04 21:35:54,020 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 232 [2020-09-04 21:35:54,727 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 233 [2020-09-04 21:35:55,437 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 235 [2020-09-04 21:35:55,806 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:35:56,160 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:56,523 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:35:56,873 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:35:57,569 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:35:57,927 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:35:58,292 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:35:58,992 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:35:59,343 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:35:59,706 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:36:00,084 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:36:01,104 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 245 DAG size of output: 205 [2020-09-04 21:36:01,666 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:36:02,269 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:36:03,271 WARN L193 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:36:03,609 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:03,948 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:04,618 WARN L193 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 224 [2020-09-04 21:36:05,227 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:36:05,568 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:36:05,905 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:06,526 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:36:06,881 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:36:07,248 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:36:08,263 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 245 DAG size of output: 205 [2020-09-04 21:36:08,824 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:36:09,829 WARN L193 SmtUtils]: Spent 995.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:36:10,426 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:36:10,771 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:11,137 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:36:11,501 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:36:12,165 WARN L193 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 224 [2020-09-04 21:36:27,668 WARN L193 SmtUtils]: Spent 15.18 s on a formula simplification. DAG size of input: 758 DAG size of output: 642 [2020-09-04 21:36:28,015 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 37 [2020-09-04 21:36:28,354 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 39 [2020-09-04 21:36:29,197 WARN L193 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-09-04 21:36:30,004 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 247 [2020-09-04 21:36:30,379 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:36:30,727 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:36:31,756 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-09-04 21:36:32,780 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-09-04 21:36:33,468 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:36:34,485 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-09-04 21:36:35,502 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-09-04 21:36:35,839 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:36:36,526 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:36:37,541 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 237 DAG size of output: 237 [2020-09-04 21:36:37,893 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:36:38,908 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 237 DAG size of output: 237 [2020-09-04 21:36:39,256 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:36:39,960 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:36:40,660 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 229 [2020-09-04 21:36:41,963 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:36:42,304 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:42,648 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:36:42,990 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:44,293 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:36:45,593 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:36:46,941 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:36:47,293 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:36:47,643 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:36:47,988 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:48,329 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:49,639 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:36:50,941 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:36:51,286 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:36:52,628 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:36:53,969 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:36:54,313 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:36:54,649 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:54,997 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:36:55,334 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:36:55,683 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:36:57,043 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:36:58,388 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:36:59,079 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:36:59,415 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:00,101 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:37:00,437 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:01,745 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:03,049 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:04,353 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:05,655 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:06,012 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:37:06,368 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:37:06,706 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:07,042 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:07,389 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:07,733 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:08,099 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:37:08,711 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 224 [2020-09-04 21:37:09,071 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:37:10,088 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 245 DAG size of output: 205 [2020-09-04 21:37:10,648 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 226 [2020-09-04 21:37:11,651 WARN L193 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 207 [2020-09-04 21:37:12,252 WARN L193 SmtUtils]: Spent 595.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 226 [2020-09-04 21:37:12,595 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:13,264 WARN L193 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 224 [2020-09-04 21:37:13,604 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:14,921 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:37:16,233 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:37:17,546 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:37:18,861 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2020-09-04 21:37:19,205 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:19,549 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:19,903 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:37:20,252 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:37:21,104 WARN L193 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:37:21,942 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:37:22,282 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:37:22,620 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:37:22,967 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:37:23,316 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 225 [2020-09-04 21:37:24,174 WARN L193 SmtUtils]: Spent 853.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:37:25,026 WARN L193 SmtUtils]: Spent 850.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 228 [2020-09-04 21:37:25,370 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:25,711 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:27,012 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:28,312 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:28,657 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:29,003 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:30,352 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:37:31,692 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:37:32,033 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:32,374 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:33,679 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:34,987 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:35,340 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:37:35,690 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:37:37,010 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:38,314 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:39,934 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:37:40,270 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:40,614 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:40,950 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:42,564 WARN L193 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 245 DAG size of output: 243 [2020-09-04 21:37:42,909 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:44,251 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:37:45,593 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:37:46,435 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:37:47,272 WARN L193 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:37:48,615 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:37:49,959 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 212 [2020-09-04 21:37:50,308 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:37:50,656 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:37:51,960 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:53,261 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:53,604 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:53,941 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:54,276 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:37:54,616 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:37:55,923 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:56,279 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:37:57,579 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:37:57,935 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:37:58,310 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:37:58,681 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 233 [2020-09-04 21:37:59,710 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-09-04 21:38:00,729 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-09-04 21:38:01,745 WARN L193 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-09-04 21:38:02,762 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 235 DAG size of output: 235 [2020-09-04 21:38:03,451 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:38:04,136 WARN L193 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:38:04,474 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:38:05,784 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:38:07,087 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:38:07,436 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:08,740 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:38:09,087 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:09,444 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:38:09,792 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:38:10,152 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:10,493 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:10,841 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:38:11,182 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:11,524 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:11,860 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:13,163 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:38:14,465 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:38:14,802 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:15,140 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:16,460 WARN L193 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:38:17,761 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:38:18,457 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:38:19,143 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 227 [2020-09-04 21:38:19,498 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:19,839 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 223 [2020-09-04 21:38:20,180 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:38:20,518 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:38:20,863 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:38:21,207 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:38:22,512 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:38:23,813 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 251 DAG size of output: 211 [2020-09-04 21:38:43,479 WARN L193 SmtUtils]: Spent 19.65 s on a formula simplification. DAG size of input: 817 DAG size of output: 687 [2020-09-04 21:38:43,837 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 37 [2020-09-04 21:38:44,178 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 39 [2020-09-04 21:38:58,915 WARN L193 SmtUtils]: Spent 13.17 s on a formula simplification. DAG size of input: 722 DAG size of output: 586 [2020-09-04 21:38:59,253 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2020-09-04 21:38:59,816 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:39:00,759 WARN L193 SmtUtils]: Spent 935.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-09-04 21:39:01,331 WARN L193 SmtUtils]: Spent 570.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:39:01,802 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:39:02,742 WARN L193 SmtUtils]: Spent 938.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 246 [2020-09-04 21:39:03,225 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 242 [2020-09-04 21:39:03,805 WARN L193 SmtUtils]: Spent 569.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:39:04,274 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:39:04,850 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:39:05,325 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:39:05,802 WARN L193 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:39:06,305 WARN L193 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 243 [2020-09-04 21:39:07,256 WARN L193 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 240 [2020-09-04 21:39:08,556 WARN L193 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 262 DAG size of output: 251 [2020-09-04 21:39:09,518 WARN L193 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 242 [2020-09-04 21:39:10,807 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 264 DAG size of output: 254 [2020-09-04 21:39:11,834 WARN L193 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 249 DAG size of output: 240 [2020-09-04 21:39:12,223 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:39:12,608 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:39:13,550 WARN L193 SmtUtils]: Spent 936.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 238 [2020-09-04 21:39:13,978 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 231 [2020-09-04 21:39:14,364 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2020-09-04 21:39:15,207 WARN L193 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 231 [2020-09-04 21:39:16,039 WARN L193 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 233 [2020-09-04 21:39:16,407 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:39:17,117 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:39:17,827 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:39:18,182 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:39:18,535 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:39:18,902 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:39:19,267 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:39:19,628 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:39:20,561 WARN L193 SmtUtils]: Spent 932.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 234 [2020-09-04 21:39:21,520 WARN L193 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 236 [2020-09-04 21:39:21,884 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:39:22,253 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:39:22,617 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 228 [2020-09-04 21:39:22,987 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:39:23,362 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:39:23,733 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:39:24,089 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:39:24,458 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:39:24,818 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:39:25,198 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:39:25,560 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:39:25,905 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:39:26,619 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 230 [2020-09-04 21:39:26,982 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:39:27,342 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:39:27,705 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:39:28,060 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:39:28,430 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:39:29,121 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:39:29,479 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:39:29,836 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:39:30,535 WARN L193 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:39:30,889 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:39:31,244 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:39:31,604 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:39:31,968 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:39:32,321 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:39:33,014 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:39:34,204 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 21:39:34,584 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:39:34,947 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:39:35,330 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:39:35,714 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:39:36,091 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:39:36,476 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:39:37,335 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2020-09-04 21:39:37,710 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:39:38,554 WARN L193 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 231 [2020-09-04 21:39:38,919 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:39:39,287 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:39:39,666 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:39:40,038 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:39:40,412 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:39:40,797 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:39:41,167 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2020-09-04 21:39:41,879 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 230 [2020-09-04 21:39:42,242 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-09-04 21:39:42,586 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:39:42,951 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:39:43,317 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2020-09-04 21:39:43,676 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:39:44,043 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 230 [2020-09-04 21:39:44,736 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230 [2020-09-04 21:39:45,093 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:39:45,804 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 232 [2020-09-04 21:39:46,151 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:39:46,502 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 224 [2020-09-04 21:39:46,863 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:39:47,218 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:39:47,575 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-09-04 21:39:47,941 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 226 [2020-09-04 21:39:48,293 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2020-09-04 21:39:49,130 WARN L193 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 229 [2020-09-04 21:39:49,511 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 232 [2020-09-04 21:39:49,874 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:39:50,258 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:39:50,642 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 231 [2020-09-04 21:39:51,019 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:39:51,405 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 233 [2020-09-04 21:39:52,264 WARN L193 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 229 [2020-09-04 21:39:52,641 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:39:53,488 WARN L193 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 231 [2020-09-04 21:39:53,853 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 228 [2020-09-04 21:39:54,222 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 227 [2020-09-04 21:39:54,601 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:39:54,975 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:39:55,349 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 230 [2020-09-04 21:39:55,734 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 229 [2020-09-04 21:39:56,105 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 229 [2020-09-04 21:39:56,454 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-09-04 21:39:57,019 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:39:57,968 WARN L193 SmtUtils]: Spent 941.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-09-04 21:39:58,538 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:39:59,011 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 235 [2020-09-04 21:39:59,952 WARN L193 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 246 [2020-09-04 21:40:00,436 WARN L193 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 242 [2020-09-04 21:40:01,017 WARN L193 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 239 [2020-09-04 21:40:01,486 WARN L193 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 241 [2020-09-04 21:40:02,064 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 237 [2020-09-04 21:40:02,541 WARN L193 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-09-04 21:40:03,020 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 236 [2020-09-04 21:40:03,526 WARN L193 SmtUtils]: Spent 503.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 243 [2020-09-04 21:40:04,584 WARN L193 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:40:06,121 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 245 DAG size of output: 242 [2020-09-04 21:40:07,262 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:40:07,853 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 21:40:08,429 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:40:09,569 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:40:10,135 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:40:11,412 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 255 DAG size of output: 212 [2020-09-04 21:40:12,013 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:40:13,395 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 257 DAG size of output: 213 [2020-09-04 21:40:13,975 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:40:14,540 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:40:15,105 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:40:16,961 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 21:40:17,568 WARN L193 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:40:18,131 WARN L193 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:40:18,716 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 21:40:19,332 WARN L193 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 227 [2020-09-04 21:40:20,870 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 245 DAG size of output: 242 [2020-09-04 21:40:21,994 WARN L193 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 239 DAG size of output: 231 [2020-09-04 21:40:22,585 WARN L193 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 21:40:23,161 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:40:24,300 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 241 DAG size of output: 233 [2020-09-04 21:40:24,866 WARN L193 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:40:26,140 WARN L193 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 255 DAG size of output: 212 [2020-09-04 21:40:26,741 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-09-04 21:40:28,117 WARN L193 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 257 DAG size of output: 213 [2020-09-04 21:40:28,699 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 226 [2020-09-04 21:40:29,263 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:40:29,826 WARN L193 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:40:31,679 WARN L193 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 250 DAG size of output: 244 [2020-09-04 21:40:32,286 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 225 [2020-09-04 21:40:32,849 WARN L193 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 224 [2020-09-04 21:40:33,434 WARN L193 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 234 DAG size of output: 224 [2020-09-04 21:40:34,132 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 230