/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-23 16:20:30,113 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-23 16:20:30,117 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-23 16:20:30,166 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-23 16:20:30,167 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-23 16:20:30,168 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-23 16:20:30,170 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-23 16:20:30,172 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-23 16:20:30,174 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-23 16:20:30,175 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-23 16:20:30,177 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-23 16:20:30,178 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-23 16:20:30,179 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-23 16:20:30,180 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-23 16:20:30,181 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-23 16:20:30,183 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-23 16:20:30,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-23 16:20:30,197 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-23 16:20:30,199 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-23 16:20:30,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-23 16:20:30,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-23 16:20:30,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-23 16:20:30,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-23 16:20:30,210 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-23 16:20:30,213 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-23 16:20:30,214 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-23 16:20:30,214 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-23 16:20:30,215 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-23 16:20:30,216 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-23 16:20:30,217 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-23 16:20:30,217 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-23 16:20:30,218 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-23 16:20:30,219 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-23 16:20:30,220 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-23 16:20:30,221 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-23 16:20:30,221 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-23 16:20:30,222 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-23 16:20:30,222 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-23 16:20:30,223 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-23 16:20:30,224 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-23 16:20:30,225 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-23 16:20:30,226 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2021-02-23 16:20:30,237 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-23 16:20:30,238 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-23 16:20:30,239 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-23 16:20:30,239 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-23 16:20:30,240 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-23 16:20:30,240 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-23 16:20:30,240 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-23 16:20:30,240 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-23 16:20:30,241 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-23 16:20:30,241 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-23 16:20:30,241 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-23 16:20:30,241 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-23 16:20:30,242 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-23 16:20:30,242 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-23 16:20:30,242 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-23 16:20:30,242 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-23 16:20:30,242 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-23 16:20:30,243 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-23 16:20:30,243 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-23 16:20:30,243 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-23 16:20:30,243 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-23 16:20:30,244 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-23 16:20:30,244 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-23 16:20:30,604 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-23 16:20:30,630 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-23 16:20:30,633 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-23 16:20:30,635 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-23 16:20:30,636 INFO L275 PluginConnector]: CDTParser initialized [2021-02-23 16:20:30,637 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2021-02-23 16:20:30,710 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df84e535/8f259f2b3e3743bd80b7830cd7941dec/FLAGc7e901d81 [2021-02-23 16:20:31,439 INFO L306 CDTParser]: Found 1 translation units. [2021-02-23 16:20:31,439 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c [2021-02-23 16:20:31,466 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df84e535/8f259f2b3e3743bd80b7830cd7941dec/FLAGc7e901d81 [2021-02-23 16:20:31,691 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1df84e535/8f259f2b3e3743bd80b7830cd7941dec [2021-02-23 16:20:31,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-23 16:20:31,708 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-23 16:20:31,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-23 16:20:31,711 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-23 16:20:31,715 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-23 16:20:31,716 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:20:31" (1/1) ... [2021-02-23 16:20:31,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@af56948 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:31, skipping insertion in model container [2021-02-23 16:20:31,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.02 04:20:31" (1/1) ... [2021-02-23 16:20:31,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-23 16:20:31,768 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-23 16:20:32,053 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c[12348,12361] [2021-02-23 16:20:32,166 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:20:32,186 INFO L203 MainTranslator]: Completed pre-run [2021-02-23 16:20:32,244 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product62.cil.c[12348,12361] [2021-02-23 16:20:32,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-23 16:20:32,352 INFO L208 MainTranslator]: Completed translation [2021-02-23 16:20:32,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32 WrapperNode [2021-02-23 16:20:32,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-23 16:20:32,354 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-23 16:20:32,354 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-23 16:20:32,354 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-23 16:20:32,368 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32" (1/1) ... [2021-02-23 16:20:32,368 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32" (1/1) ... [2021-02-23 16:20:32,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32" (1/1) ... [2021-02-23 16:20:32,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32" (1/1) ... [2021-02-23 16:20:32,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32" (1/1) ... [2021-02-23 16:20:32,493 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32" (1/1) ... [2021-02-23 16:20:32,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32" (1/1) ... [2021-02-23 16:20:32,553 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-23 16:20:32,554 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-23 16:20:32,560 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-23 16:20:32,560 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-23 16:20:32,561 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2021-02-23 16:20:32,692 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-23 16:20:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-23 16:20:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-23 16:20:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-23 16:20:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-23 16:20:32,693 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-23 16:20:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-23 16:20:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-23 16:20:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-23 16:20:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-23 16:20:32,694 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-23 16:20:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-23 16:20:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-23 16:20:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-23 16:20:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-23 16:20:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-23 16:20:32,695 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2021-02-23 16:20:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2021-02-23 16:20:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-23 16:20:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-23 16:20:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-23 16:20:32,696 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-23 16:20:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-23 16:20:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-23 16:20:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-23 16:20:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-23 16:20:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-23 16:20:32,697 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-23 16:20:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-23 16:20:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-23 16:20:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-23 16:20:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-23 16:20:32,698 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-23 16:20:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 16:20:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-23 16:20:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-23 16:20:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-23 16:20:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-23 16:20:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-23 16:20:32,699 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-23 16:20:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-23 16:20:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-23 16:20:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-23 16:20:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-23 16:20:32,700 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-23 16:20:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-23 16:20:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-23 16:20:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-23 16:20:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-23 16:20:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-23 16:20:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-23 16:20:32,701 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-23 16:20:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-23 16:20:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-23 16:20:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-23 16:20:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-23 16:20:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-23 16:20:32,702 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-23 16:20:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-23 16:20:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-23 16:20:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-23 16:20:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-23 16:20:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-23 16:20:32,703 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-23 16:20:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-23 16:20:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-23 16:20:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-23 16:20:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-23 16:20:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-23 16:20:32,704 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-23 16:20:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-23 16:20:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-23 16:20:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-23 16:20:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2021-02-23 16:20:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-23 16:20:32,705 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-23 16:20:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-23 16:20:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-23 16:20:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-23 16:20:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-23 16:20:32,706 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-23 16:20:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-23 16:20:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-23 16:20:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2021-02-23 16:20:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-23 16:20:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-23 16:20:32,707 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-23 16:20:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-23 16:20:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-23 16:20:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-23 16:20:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-23 16:20:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-23 16:20:32,708 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-23 16:20:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-23 16:20:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-23 16:20:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-23 16:20:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-23 16:20:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-23 16:20:32,709 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-23 16:20:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-23 16:20:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-23 16:20:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-23 16:20:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-23 16:20:32,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-23 16:20:34,454 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-23 16:20:34,454 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-23 16:20:34,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:20:34 BoogieIcfgContainer [2021-02-23 16:20:34,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-23 16:20:34,460 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-23 16:20:34,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-23 16:20:34,463 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-23 16:20:34,464 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.02 04:20:31" (1/3) ... [2021-02-23 16:20:34,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300ed48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:20:34, skipping insertion in model container [2021-02-23 16:20:34,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.02 04:20:32" (2/3) ... [2021-02-23 16:20:34,465 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300ed48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.02 04:20:34, skipping insertion in model container [2021-02-23 16:20:34,465 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.02 04:20:34" (3/3) ... [2021-02-23 16:20:34,467 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product62.cil.c [2021-02-23 16:20:34,475 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-23 16:20:34,481 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-23 16:20:34,500 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-23 16:20:34,524 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-23 16:20:34,525 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-23 16:20:34,525 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-23 16:20:34,525 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-23 16:20:34,525 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-23 16:20:34,525 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-23 16:20:34,526 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-23 16:20:34,526 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-23 16:20:34,551 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states. [2021-02-23 16:20:34,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2021-02-23 16:20:34,574 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:20:34,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:20:34,576 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:20:34,582 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:20:34,583 INFO L82 PathProgramCache]: Analyzing trace with hash 1208175260, now seen corresponding path program 1 times [2021-02-23 16:20:34,595 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:20:34,596 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1397110519] [2021-02-23 16:20:34,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:20:34,685 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:20:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:35,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,631 WARN L202 SmtUtils]: Spent 587.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:20:35,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:20:35,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:35,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:20:35,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:35,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:20:35,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:35,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:20:35,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:35,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:20:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:35,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:20:35,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:35,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-02-23 16:20:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:35,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2021-02-23 16:20:35,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:35,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:35,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:35,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:20:35,910 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1397110519] [2021-02-23 16:20:35,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:20:35,913 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-23 16:20:35,913 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139837633] [2021-02-23 16:20:35,920 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-23 16:20:35,920 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:20:35,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-23 16:20:35,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 16:20:35,941 INFO L87 Difference]: Start difference. First operand 360 states. Second operand 4 states. [2021-02-23 16:20:38,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:20:38,846 INFO L93 Difference]: Finished difference Result 580 states and 686 transitions. [2021-02-23 16:20:38,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-23 16:20:38,849 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2021-02-23 16:20:38,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:20:38,865 INFO L225 Difference]: With dead ends: 580 [2021-02-23 16:20:38,865 INFO L226 Difference]: Without dead ends: 361 [2021-02-23 16:20:38,872 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-23 16:20:38,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2021-02-23 16:20:39,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 308. [2021-02-23 16:20:39,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2021-02-23 16:20:39,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 338 transitions. [2021-02-23 16:20:39,064 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 338 transitions. Word has length 153 [2021-02-23 16:20:39,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:20:39,065 INFO L480 AbstractCegarLoop]: Abstraction has 308 states and 338 transitions. [2021-02-23 16:20:39,065 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-23 16:20:39,065 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 338 transitions. [2021-02-23 16:20:39,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2021-02-23 16:20:39,070 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:20:39,071 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:20:39,071 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-23 16:20:39,071 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:20:39,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:20:39,072 INFO L82 PathProgramCache]: Analyzing trace with hash -1629009454, now seen corresponding path program 1 times [2021-02-23 16:20:39,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:20:39,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433685413] [2021-02-23 16:20:39,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:20:39,078 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:20:39,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:39,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:39,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,800 WARN L202 SmtUtils]: Spent 598.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:20:39,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:20:39,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:39,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:20:39,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:39,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:20:39,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:39,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:20:39,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:39,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:20:39,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:39,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:20:39,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:39,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 131 [2021-02-23 16:20:39,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:39,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-02-23 16:20:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:39,887 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:39,888 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:39,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:20:39,921 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433685413] [2021-02-23 16:20:39,921 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:20:39,922 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-23 16:20:39,922 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748475631] [2021-02-23 16:20:39,923 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-23 16:20:39,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:20:39,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-23 16:20:39,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-23 16:20:39,924 INFO L87 Difference]: Start difference. First operand 308 states and 338 transitions. Second operand 5 states. [2021-02-23 16:20:41,179 WARN L202 SmtUtils]: Spent 613.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:20:43,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:20:43,670 INFO L93 Difference]: Finished difference Result 504 states and 576 transitions. [2021-02-23 16:20:43,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-23 16:20:43,671 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2021-02-23 16:20:43,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:20:43,676 INFO L225 Difference]: With dead ends: 504 [2021-02-23 16:20:43,677 INFO L226 Difference]: Without dead ends: 350 [2021-02-23 16:20:43,680 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-23 16:20:43,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-02-23 16:20:43,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 298. [2021-02-23 16:20:43,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-02-23 16:20:43,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 325 transitions. [2021-02-23 16:20:43,808 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 325 transitions. Word has length 154 [2021-02-23 16:20:43,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:20:43,808 INFO L480 AbstractCegarLoop]: Abstraction has 298 states and 325 transitions. [2021-02-23 16:20:43,808 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-23 16:20:43,809 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 325 transitions. [2021-02-23 16:20:43,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2021-02-23 16:20:43,812 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:20:43,812 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:20:43,813 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-23 16:20:43,813 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:20:43,813 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:20:43,813 INFO L82 PathProgramCache]: Analyzing trace with hash 660216747, now seen corresponding path program 1 times [2021-02-23 16:20:43,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:20:43,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [783930478] [2021-02-23 16:20:43,814 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:20:43,817 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:20:43,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:43,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:43,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:43,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:43,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:43,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:43,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:43,923 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:43,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:43,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:43,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:20:43,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:43,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:44,611 WARN L202 SmtUtils]: Spent 629.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:20:44,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:20:44,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:44,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:20:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:44,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,665 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:20:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:44,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:44,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:20:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:44,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,677 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:44,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:20:44,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,707 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:20:44,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:20:44,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:44,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,729 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:44,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:20:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:44,750 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:44,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 16:20:44,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:44,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:44,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 16:20:44,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:44,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:44,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:20:44,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:44,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:44,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:44,842 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:20:44,843 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [783930478] [2021-02-23 16:20:44,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:20:44,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 16:20:44,844 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329921846] [2021-02-23 16:20:44,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 16:20:44,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:20:44,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 16:20:44,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-23 16:20:44,850 INFO L87 Difference]: Start difference. First operand 298 states and 325 transitions. Second operand 11 states. [2021-02-23 16:20:45,918 WARN L202 SmtUtils]: Spent 565.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:20:46,717 WARN L202 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:20:47,491 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:20:48,211 WARN L202 SmtUtils]: Spent 659.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:20:48,956 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:20:49,697 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:20:53,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:20:53,365 INFO L93 Difference]: Finished difference Result 551 states and 641 transitions. [2021-02-23 16:20:53,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-02-23 16:20:53,367 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 167 [2021-02-23 16:20:53,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:20:53,371 INFO L225 Difference]: With dead ends: 551 [2021-02-23 16:20:53,372 INFO L226 Difference]: Without dead ends: 373 [2021-02-23 16:20:53,373 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2021-02-23 16:20:53,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2021-02-23 16:20:53,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 298. [2021-02-23 16:20:53,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2021-02-23 16:20:53,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 324 transitions. [2021-02-23 16:20:53,479 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 324 transitions. Word has length 167 [2021-02-23 16:20:53,479 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:20:53,480 INFO L480 AbstractCegarLoop]: Abstraction has 298 states and 324 transitions. [2021-02-23 16:20:53,480 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 16:20:53,480 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 324 transitions. [2021-02-23 16:20:53,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-02-23 16:20:53,483 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:20:53,484 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:20:53,484 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-23 16:20:53,484 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:20:53,485 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:20:53,485 INFO L82 PathProgramCache]: Analyzing trace with hash -1255704178, now seen corresponding path program 1 times [2021-02-23 16:20:53,485 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:20:53,485 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [816566001] [2021-02-23 16:20:53,485 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:20:53,488 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:20:53,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:53,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:53,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:53,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:53,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:53,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:53,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:53,571 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:53,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:53,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:53,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:53,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:53,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,185 WARN L202 SmtUtils]: Spent 599.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:20:54,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:20:54,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:54,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:20:54,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:20:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,278 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,279 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:20:54,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:20:54,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:20:54,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 16:20:54,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-02-23 16:20:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,340 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:54,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:20:54,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:54,351 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:20:54,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:20:54,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:20:54,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:20:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,382 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-02-23 16:20:54,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,393 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,394 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-02-23 16:20:54,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:20:54,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:20:54,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:20:54,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:20:54,449 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [816566001] [2021-02-23 16:20:54,449 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:20:54,450 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-23 16:20:54,450 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1261496268] [2021-02-23 16:20:54,451 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-23 16:20:54,451 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:20:54,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-23 16:20:54,453 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-23 16:20:54,453 INFO L87 Difference]: Start difference. First operand 298 states and 324 transitions. Second operand 8 states. [2021-02-23 16:20:55,481 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:20:58,511 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:21:00,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:21:00,389 INFO L93 Difference]: Finished difference Result 753 states and 899 transitions. [2021-02-23 16:21:00,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-23 16:21:00,390 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 185 [2021-02-23 16:21:00,390 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:21:00,395 INFO L225 Difference]: With dead ends: 753 [2021-02-23 16:21:00,395 INFO L226 Difference]: Without dead ends: 575 [2021-02-23 16:21:00,397 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2021-02-23 16:21:00,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 575 states. [2021-02-23 16:21:00,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 575 to 434. [2021-02-23 16:21:00,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2021-02-23 16:21:00,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 469 transitions. [2021-02-23 16:21:00,621 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 469 transitions. Word has length 185 [2021-02-23 16:21:00,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:21:00,623 INFO L480 AbstractCegarLoop]: Abstraction has 434 states and 469 transitions. [2021-02-23 16:21:00,623 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-23 16:21:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 469 transitions. [2021-02-23 16:21:00,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-02-23 16:21:00,627 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:21:00,627 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:21:00,627 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-23 16:21:00,627 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:21:00,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:21:00,628 INFO L82 PathProgramCache]: Analyzing trace with hash -467734508, now seen corresponding path program 1 times [2021-02-23 16:21:00,628 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:21:00,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2031388373] [2021-02-23 16:21:00,629 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:21:00,632 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:21:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:00,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:00,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:00,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:00,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:00,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:00,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:00,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:00,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:00,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:00,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 16:21:00,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:00,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,380 WARN L202 SmtUtils]: Spent 637.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:21:01,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:21:01,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-23 16:21:01,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:21:01,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:21:01,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:21:01,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:21:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,468 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:21:01,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 16:21:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-02-23 16:21:01,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:01,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,547 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:21:01,585 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 16:21:01,586 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 16:21:01,606 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,607 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:21:01,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,614 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:21:01,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:21:01,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:21:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-02-23 16:21:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-02-23 16:21:01,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:01,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:01,684 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:01,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:21:01,745 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2031388373] [2021-02-23 16:21:01,745 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:21:01,745 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 16:21:01,745 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952132745] [2021-02-23 16:21:01,746 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 16:21:01,746 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:21:01,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 16:21:01,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-23 16:21:01,747 INFO L87 Difference]: Start difference. First operand 434 states and 469 transitions. Second operand 11 states. [2021-02-23 16:21:02,869 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:21:05,037 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:05,803 WARN L202 SmtUtils]: Spent 725.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:21:06,565 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:21:07,308 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:08,131 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:21:08,872 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:21:13,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:21:13,101 INFO L93 Difference]: Finished difference Result 1203 states and 1474 transitions. [2021-02-23 16:21:13,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-02-23 16:21:13,102 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 209 [2021-02-23 16:21:13,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:21:13,108 INFO L225 Difference]: With dead ends: 1203 [2021-02-23 16:21:13,108 INFO L226 Difference]: Without dead ends: 889 [2021-02-23 16:21:13,111 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2021-02-23 16:21:13,112 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 889 states. [2021-02-23 16:21:13,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 889 to 647. [2021-02-23 16:21:13,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 647 states. [2021-02-23 16:21:13,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 710 transitions. [2021-02-23 16:21:13,443 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 710 transitions. Word has length 209 [2021-02-23 16:21:13,443 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:21:13,444 INFO L480 AbstractCegarLoop]: Abstraction has 647 states and 710 transitions. [2021-02-23 16:21:13,444 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 16:21:13,444 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 710 transitions. [2021-02-23 16:21:13,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2021-02-23 16:21:13,448 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:21:13,449 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:21:13,449 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-23 16:21:13,449 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:21:13,450 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:21:13,450 INFO L82 PathProgramCache]: Analyzing trace with hash -398216399, now seen corresponding path program 1 times [2021-02-23 16:21:13,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:21:13,450 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740762787] [2021-02-23 16:21:13,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:21:13,453 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:21:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:13,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:13,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:13,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:13,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:13,564 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:13,564 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:13,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:13,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:13,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:13,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:13,574 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:13,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:13,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:13,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,176 WARN L202 SmtUtils]: Spent 571.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:21:14,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:21:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:14,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:21:14,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:21:14,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:21:14,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:21:14,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:21:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-23 16:21:14,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2021-02-23 16:21:14,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:21:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:21:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-02-23 16:21:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:14,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:14,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 196 [2021-02-23 16:21:14,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:14,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:14,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:14,424 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:21:14,424 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740762787] [2021-02-23 16:21:14,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:21:14,425 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-23 16:21:14,425 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [561726556] [2021-02-23 16:21:14,425 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-23 16:21:14,426 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:21:14,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-23 16:21:14,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-23 16:21:14,427 INFO L87 Difference]: Start difference. First operand 647 states and 710 transitions. Second operand 11 states. [2021-02-23 16:21:15,566 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:21:18,380 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:19,156 WARN L202 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:21:20,132 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:21:20,903 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:22,569 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:23,311 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:21:24,026 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:24,931 WARN L202 SmtUtils]: Spent 682.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:21:28,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:21:28,051 INFO L93 Difference]: Finished difference Result 2054 states and 2509 transitions. [2021-02-23 16:21:28,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-02-23 16:21:28,052 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 209 [2021-02-23 16:21:28,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:21:28,062 INFO L225 Difference]: With dead ends: 2054 [2021-02-23 16:21:28,063 INFO L226 Difference]: Without dead ends: 1527 [2021-02-23 16:21:28,065 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=270, Invalid=722, Unknown=0, NotChecked=0, Total=992 [2021-02-23 16:21:28,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1527 states. [2021-02-23 16:21:28,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1527 to 1098. [2021-02-23 16:21:28,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1098 states. [2021-02-23 16:21:28,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 1098 states and 1210 transitions. [2021-02-23 16:21:28,569 INFO L78 Accepts]: Start accepts. Automaton has 1098 states and 1210 transitions. Word has length 209 [2021-02-23 16:21:28,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:21:28,570 INFO L480 AbstractCegarLoop]: Abstraction has 1098 states and 1210 transitions. [2021-02-23 16:21:28,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-23 16:21:28,570 INFO L276 IsEmpty]: Start isEmpty. Operand 1098 states and 1210 transitions. [2021-02-23 16:21:28,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2021-02-23 16:21:28,575 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:21:28,575 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:21:28,575 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-23 16:21:28,575 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:21:28,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:21:28,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1928079663, now seen corresponding path program 1 times [2021-02-23 16:21:28,576 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:21:28,576 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1753799530] [2021-02-23 16:21:28,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:21:28,579 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:21:28,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:28,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:28,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:28,649 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:28,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:28,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:28,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:28,652 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:28,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:28,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:28,653 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:28,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:28,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:28,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:28,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:28,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:28,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:28,671 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:28,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,319 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:21:29,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:21:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:29,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:21:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:21:29,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:21:29,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:21:29,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,404 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:21:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-02-23 16:21:29,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 16:21:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-23 16:21:29,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:29,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,502 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,503 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:29,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:29,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,510 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,510 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:29,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,517 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:21:29,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:21:29,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 191 [2021-02-23 16:21:29,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 201 [2021-02-23 16:21:29,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:29,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,535 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:29,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:29,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:29,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:29,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:21:29,642 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1753799530] [2021-02-23 16:21:29,642 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:21:29,643 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 16:21:29,643 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717004301] [2021-02-23 16:21:29,643 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 16:21:29,643 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:21:29,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 16:21:29,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-02-23 16:21:29,644 INFO L87 Difference]: Start difference. First operand 1098 states and 1210 transitions. Second operand 12 states. [2021-02-23 16:21:30,833 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:21:34,413 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:21:35,125 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:36,057 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:21:39,946 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:40,681 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:21:41,596 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:42,337 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:21:43,048 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:44,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:21:44,975 INFO L93 Difference]: Finished difference Result 2765 states and 3342 transitions. [2021-02-23 16:21:44,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-02-23 16:21:44,977 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 214 [2021-02-23 16:21:44,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:21:44,990 INFO L225 Difference]: With dead ends: 2765 [2021-02-23 16:21:44,990 INFO L226 Difference]: Without dead ends: 1787 [2021-02-23 16:21:44,994 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 7.7s TimeCoverageRelationStatistics Valid=452, Invalid=1270, Unknown=0, NotChecked=0, Total=1722 [2021-02-23 16:21:44,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2021-02-23 16:21:45,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1094. [2021-02-23 16:21:45,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1094 states. [2021-02-23 16:21:45,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 1094 states and 1202 transitions. [2021-02-23 16:21:45,611 INFO L78 Accepts]: Start accepts. Automaton has 1094 states and 1202 transitions. Word has length 214 [2021-02-23 16:21:45,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:21:45,611 INFO L480 AbstractCegarLoop]: Abstraction has 1094 states and 1202 transitions. [2021-02-23 16:21:45,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 16:21:45,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1202 transitions. [2021-02-23 16:21:45,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-02-23 16:21:45,617 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:21:45,618 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] [2021-02-23 16:21:45,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-23 16:21:45,618 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:21:45,619 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:21:45,619 INFO L82 PathProgramCache]: Analyzing trace with hash 2055737785, now seen corresponding path program 1 times [2021-02-23 16:21:45,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:21:45,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409182821] [2021-02-23 16:21:45,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:21:45,622 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:21:45,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:45,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:45,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:45,679 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:45,680 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,300 WARN L202 SmtUtils]: Spent 614.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:21:46,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:21:46,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:21:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:21:46,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:21:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:21:46,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:21:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-02-23 16:21:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 16:21:46,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-23 16:21:46,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,425 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:46,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,479 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:46,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:46,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:46,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:21:46,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:21:46,567 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:21:46,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:21:46,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:21:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:21:46,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:21:46,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 16:21:46,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-02-23 16:21:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-02-23 16:21:46,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:46,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:46,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:46,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:21:46,755 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409182821] [2021-02-23 16:21:46,755 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:21:46,755 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2021-02-23 16:21:46,755 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198048964] [2021-02-23 16:21:46,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-02-23 16:21:46,756 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:21:46,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-02-23 16:21:46,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2021-02-23 16:21:46,757 INFO L87 Difference]: Start difference. First operand 1094 states and 1202 transitions. Second operand 12 states. [2021-02-23 16:21:49,407 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:21:50,167 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:21:50,958 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:21:51,705 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:21:52,465 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:21:53,187 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:21:58,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:21:58,069 INFO L93 Difference]: Finished difference Result 2791 states and 3453 transitions. [2021-02-23 16:21:58,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-02-23 16:21:58,069 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 237 [2021-02-23 16:21:58,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:21:58,080 INFO L225 Difference]: With dead ends: 2791 [2021-02-23 16:21:58,080 INFO L226 Difference]: Without dead ends: 1817 [2021-02-23 16:21:58,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 102 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=203, Invalid=499, Unknown=0, NotChecked=0, Total=702 [2021-02-23 16:21:58,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1817 states. [2021-02-23 16:21:58,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1817 to 1126. [2021-02-23 16:21:58,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1126 states. [2021-02-23 16:21:58,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 1126 states and 1234 transitions. [2021-02-23 16:21:58,643 INFO L78 Accepts]: Start accepts. Automaton has 1126 states and 1234 transitions. Word has length 237 [2021-02-23 16:21:58,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:21:58,643 INFO L480 AbstractCegarLoop]: Abstraction has 1126 states and 1234 transitions. [2021-02-23 16:21:58,644 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2021-02-23 16:21:58,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1126 states and 1234 transitions. [2021-02-23 16:21:58,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2021-02-23 16:21:58,647 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:21:58,648 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] [2021-02-23 16:21:58,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-23 16:21:58,648 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:21:58,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:21:58,649 INFO L82 PathProgramCache]: Analyzing trace with hash -485066215, now seen corresponding path program 1 times [2021-02-23 16:21:58,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:21:58,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [951402421] [2021-02-23 16:21:58,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:21:58,652 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:21:58,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:58,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:58,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:58,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:58,713 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:58,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:58,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:58,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:58,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:58,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:58,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,268 WARN L202 SmtUtils]: Spent 524.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:21:59,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:21:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:21:59,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:21:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:21:59,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:21:59,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:21:59,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:21:59,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:21:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,374 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2021-02-23 16:21:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,397 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-23 16:21:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2021-02-23 16:21:59,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:59,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:59,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:21:59,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:59,499 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:59,522 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,523 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:21:59,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:59,554 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,555 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:21:59,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:21:59,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:21:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,589 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:21:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,593 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 16:21:59,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-02-23 16:21:59,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2021-02-23 16:21:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:21:59,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:21:59,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:21:59,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:21:59,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [951402421] [2021-02-23 16:21:59,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:21:59,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-23 16:21:59,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48234716] [2021-02-23 16:21:59,675 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-23 16:21:59,675 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:21:59,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-23 16:21:59,676 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2021-02-23 16:21:59,676 INFO L87 Difference]: Start difference. First operand 1126 states and 1234 transitions. Second operand 15 states. [2021-02-23 16:22:00,976 WARN L202 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-23 16:22:01,733 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:22:02,469 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:22:03,202 WARN L202 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:03,911 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:22:05,916 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:22:06,631 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:07,373 WARN L202 SmtUtils]: Spent 668.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:22:08,142 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:08,850 WARN L202 SmtUtils]: Spent 656.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-23 16:22:14,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:22:14,090 INFO L93 Difference]: Finished difference Result 2404 states and 2900 transitions. [2021-02-23 16:22:14,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-23 16:22:14,091 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 237 [2021-02-23 16:22:14,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:22:14,101 INFO L225 Difference]: With dead ends: 2404 [2021-02-23 16:22:14,101 INFO L226 Difference]: Without dead ends: 1398 [2021-02-23 16:22:14,107 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=278, Invalid=844, Unknown=0, NotChecked=0, Total=1122 [2021-02-23 16:22:14,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1398 states. [2021-02-23 16:22:14,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1398 to 927. [2021-02-23 16:22:14,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 927 states. [2021-02-23 16:22:14,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 927 states to 927 states and 998 transitions. [2021-02-23 16:22:14,554 INFO L78 Accepts]: Start accepts. Automaton has 927 states and 998 transitions. Word has length 237 [2021-02-23 16:22:14,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:22:14,554 INFO L480 AbstractCegarLoop]: Abstraction has 927 states and 998 transitions. [2021-02-23 16:22:14,554 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-23 16:22:14,554 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 998 transitions. [2021-02-23 16:22:14,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2021-02-23 16:22:14,557 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:22:14,558 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] [2021-02-23 16:22:14,558 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-23 16:22:14,558 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:22:14,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:22:14,558 INFO L82 PathProgramCache]: Analyzing trace with hash 255112246, now seen corresponding path program 1 times [2021-02-23 16:22:14,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:22:14,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276755047] [2021-02-23 16:22:14,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:22:14,562 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-23 16:22:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:14,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:14,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:14,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:14,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:14,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:14,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:14,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:14,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:14,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:14,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:22:14,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:14,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,186 WARN L202 SmtUtils]: Spent 512.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:22:15,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:22:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:22:15,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:22:15,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:22:15,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,230 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,231 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:15,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:15,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:22:15,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:22:15,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-23 16:22:15,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-23 16:22:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:15,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-23 16:22:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 151 [2021-02-23 16:22:15,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:15,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:22:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,505 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,507 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 16:22:15,508 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 16:22:15,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:22:15,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,546 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 16:22:15,547 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 16:22:15,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:22:15,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:22:15,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-23 16:22:15,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,589 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,590 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 16:22:15,591 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 16:22:15,632 WARN L141 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size [2021-02-23 16:22:15,633 WARN L147 QuantifierPusher]: treesize reduction 5, result has 77.3 percent of original size 17 [2021-02-23 16:22:15,675 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-23 16:22:15,676 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-23 16:22:15,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:22:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:15,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:15,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:15,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:22:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:15,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:15,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-23 16:22:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,936 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,937 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 219 [2021-02-23 16:22:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,948 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,949 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 229 [2021-02-23 16:22:15,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:15,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:15,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:15,999 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-23 16:22:16,000 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276755047] [2021-02-23 16:22:16,000 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:22:16,000 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [22] imperfect sequences [] total 22 [2021-02-23 16:22:16,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1349310839] [2021-02-23 16:22:16,001 INFO L460 AbstractCegarLoop]: Interpolant automaton has 22 states [2021-02-23 16:22:16,001 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:22:16,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2021-02-23 16:22:16,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=413, Unknown=0, NotChecked=0, Total=462 [2021-02-23 16:22:16,002 INFO L87 Difference]: Start difference. First operand 927 states and 998 transitions. Second operand 22 states. [2021-02-23 16:22:17,314 WARN L202 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:22:18,294 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:22:19,075 WARN L202 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:22:19,857 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:20,629 WARN L202 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:22:21,357 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:23,466 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-23 16:22:26,719 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:27,598 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:22:28,511 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:29,376 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:22:30,130 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:30,901 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:31,707 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:22:32,546 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:22:33,383 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:34,289 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:22:35,078 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:22:35,969 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:22:37,602 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 16:22:39,430 WARN L202 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2021-02-23 16:22:40,971 WARN L202 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2021-02-23 16:22:51,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:22:51,258 INFO L93 Difference]: Finished difference Result 2172 states and 2547 transitions. [2021-02-23 16:22:51,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-02-23 16:22:51,259 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 242 [2021-02-23 16:22:51,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:22:51,268 INFO L225 Difference]: With dead ends: 2172 [2021-02-23 16:22:51,269 INFO L226 Difference]: Without dead ends: 1365 [2021-02-23 16:22:51,273 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 60 SyntacticMatches, 3 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2013 ImplicationChecksByTransitivity, 21.1s TimeCoverageRelationStatistics Valid=1204, Invalid=5438, Unknown=0, NotChecked=0, Total=6642 [2021-02-23 16:22:51,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1365 states. [2021-02-23 16:22:51,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1365 to 884. [2021-02-23 16:22:51,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 884 states. [2021-02-23 16:22:51,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 884 states and 944 transitions. [2021-02-23 16:22:51,637 INFO L78 Accepts]: Start accepts. Automaton has 884 states and 944 transitions. Word has length 242 [2021-02-23 16:22:51,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:22:51,638 INFO L480 AbstractCegarLoop]: Abstraction has 884 states and 944 transitions. [2021-02-23 16:22:51,638 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2021-02-23 16:22:51,638 INFO L276 IsEmpty]: Start isEmpty. Operand 884 states and 944 transitions. [2021-02-23 16:22:51,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2021-02-23 16:22:51,642 INFO L414 BasicCegarLoop]: Found error trace [2021-02-23 16:22:51,643 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-23 16:22:51,643 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-23 16:22:51,643 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-23 16:22:51,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-23 16:22:51,644 INFO L82 PathProgramCache]: Analyzing trace with hash -39414334, now seen corresponding path program 1 times [2021-02-23 16:22:51,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-23 16:22:51,644 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162329785] [2021-02-23 16:22:51,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-23 16:22:51,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:51,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:52,304 WARN L202 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2021-02-23 16:22:52,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:52,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-02-23 16:22:52,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:52,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:52,782 WARN L202 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2021-02-23 16:22:52,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:52,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 167 [2021-02-23 16:22:52,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:52,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:53,295 WARN L202 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 100 [2021-02-23 16:22:53,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:53,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 159 [2021-02-23 16:22:53,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:53,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:53,705 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 101 [2021-02-23 16:22:53,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:53,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 163 [2021-02-23 16:22:53,716 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-23 16:22:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:53,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:53,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:53,831 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:53,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:53,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:53,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:53,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:53,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:53,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:53,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:22:53,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:53,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,506 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:22:54,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-23 16:22:54,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-23 16:22:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,566 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-23 16:22:54,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-23 16:22:54,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,573 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,574 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:54,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:54,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-23 16:22:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,616 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,617 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-23 16:22:54,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 145 [2021-02-23 16:22:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:54,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-23 16:22:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,706 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2021-02-23 16:22:54,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-02-23 16:22:54,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:54,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:54,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:54,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:22:54,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:54,884 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:54,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:54,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-23 16:22:54,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:54,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:54,953 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,954 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:54,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:54,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:55,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-23 16:22:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:55,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:22:55,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:55,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-23 16:22:55,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:55,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-23 16:22:55,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:55,039 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-23 16:22:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:55,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2021-02-23 16:22:55,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:55,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2021-02-23 16:22:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-23 16:22:55,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,119 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-23 16:22:55,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,122 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,149 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:22:55,152 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:22:55,155 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:22:55,158 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,158 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:22:55,160 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:55,163 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,164 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:22:55,166 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:22:55,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 164 [2021-02-23 16:22:55,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,169 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,177 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,178 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:55,179 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,181 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:22:55,182 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:22:55,185 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:22:55,188 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-23 16:22:55,191 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,191 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:22:55,193 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:22:55,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 168 [2021-02-23 16:22:55,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,205 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:22:55,208 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:22:55,210 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:22:55,213 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,214 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:22:55,216 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:22:55,218 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,219 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 11 [2021-02-23 16:22:55,220 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:55,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 160 [2021-02-23 16:22:55,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-23 16:22:55,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,226 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:55,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:22:55,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 16:22:55,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:55,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:55,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:55,495 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:22:55,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:22:55,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:55,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:55,623 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 16:22:55,706 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,708 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:55,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,711 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,712 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:22:55,713 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:55,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:22:55,718 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:22:55,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:22:55,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 16:22:55,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:55,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:55,986 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-23 16:22:55,986 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-23 16:22:56,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-23 16:22:56,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-23 16:22:56,189 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:56,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:56,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,373 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:56,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:22:56,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:22:56,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:56,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:22:56,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:22:56,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,581 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-23 16:22:56,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:22:56,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:22:56,683 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:22:56,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-23 16:22:56,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,865 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-23 16:22:56,866 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-23 16:22:56,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:22:56,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:22:56,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:22:56,973 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,975 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,976 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:56,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-23 16:22:56,990 WARN L141 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size [2021-02-23 16:22:56,990 WARN L147 QuantifierPusher]: treesize reduction 1, result has 92.9 percent of original size 13 [2021-02-23 16:22:57,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,084 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:57,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:57,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:57,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:22:57,404 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-23 16:22:57,406 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-23 16:22:57,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:57,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:22:57,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:57,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:57,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:22:57,878 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:57,879 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 16:22:58,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-23 16:22:58,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-23 16:22:58,122 WARN L141 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size [2021-02-23 16:22:58,123 WARN L147 QuantifierPusher]: treesize reduction 8, result has 66.7 percent of original size 16 [2021-02-23 16:22:58,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:58,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:22:58,366 WARN L141 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size [2021-02-23 16:22:58,368 WARN L147 QuantifierPusher]: treesize reduction 4, result has 80.0 percent of original size 16 [2021-02-23 16:22:58,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:22:58,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:58,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,487 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:58,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:22:58,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:58,490 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:58,492 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,493 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:22:58,494 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:58,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:22:58,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:22:58,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:22:58,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:22:58,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:22:58,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:58,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 24 [2021-02-23 16:22:59,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:59,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 16:22:59,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:59,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-23 16:22:59,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:59,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 16:22:59,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:59,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 16:22:59,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:59,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-23 16:22:59,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:59,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-23 16:22:59,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:59,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 16:22:59,880 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:22:59,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-23 16:23:00,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 16:23:00,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:23:00,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:23:00,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:23:00,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:23:00,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:23:00,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,628 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,628 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:23:00,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,630 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:23:00,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:23:00,641 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-23 16:23:00,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:23:00,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,785 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,793 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,793 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-23 16:23:00,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:23:00,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:00,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:23:01,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:01,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:23:01,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:01,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:23:01,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:01,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-23 16:23:01,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:01,354 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:23:01,504 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:01,506 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-23 16:23:01,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:01,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:23:01,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:01,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:23:01,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:01,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-23 16:23:01,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:01,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-23 16:23:02,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-23 16:23:02,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,089 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-23 16:23:02,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:02,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:02,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:02,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,094 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-23 16:23:02,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:23:02,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 16:23:02,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:23:02,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:23:02,487 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:23:02,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-23 16:23:02,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 9 [2021-02-23 16:23:02,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-23 16:23:02,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:23:02,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:02,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-23 16:23:03,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:03,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:23:03,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-23 16:23:03,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-23 16:23:03,271 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162329785] [2021-02-23 16:23:03,271 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-23 16:23:03,272 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [81] imperfect sequences [] total 81 [2021-02-23 16:23:03,272 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256175931] [2021-02-23 16:23:03,273 INFO L460 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-02-23 16:23:03,273 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-23 16:23:03,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-02-23 16:23:03,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=7219, Unknown=0, NotChecked=0, Total=7656 [2021-02-23 16:23:03,277 INFO L87 Difference]: Start difference. First operand 884 states and 944 transitions. Second operand 82 states. [2021-02-23 16:23:04,719 WARN L202 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-23 16:23:05,763 WARN L202 SmtUtils]: Spent 662.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:23:06,586 WARN L202 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 16:23:07,396 WARN L202 SmtUtils]: Spent 652.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:23:08,206 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:23:08,985 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:23:10,317 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:23:11,191 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:23:12,036 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:23:12,859 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:23:13,715 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:23:14,640 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 16:23:16,210 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 224 DAG size of output: 222 [2021-02-23 16:23:17,095 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-23 16:23:18,104 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 16:23:18,972 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:23:19,956 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-23 16:23:20,993 WARN L202 SmtUtils]: Spent 784.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-02-23 16:23:22,069 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-23 16:23:23,184 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-02-23 16:23:24,239 WARN L202 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-23 16:23:26,300 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:23:27,018 WARN L202 SmtUtils]: Spent 636.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-23 16:23:28,252 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:23:30,057 WARN L202 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:23:30,963 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:31,879 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:23:32,907 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:33,848 WARN L202 SmtUtils]: Spent 695.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:23:34,761 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:23:35,595 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:36,490 WARN L202 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:37,359 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:23:38,429 WARN L202 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:23:39,288 WARN L202 SmtUtils]: Spent 703.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:40,231 WARN L202 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:23:41,248 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:23:42,103 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:23:43,039 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:43,966 WARN L202 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:44,995 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:23:45,910 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:23:46,790 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:23:47,737 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:48,634 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:23:49,748 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:50,848 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:23:51,829 WARN L202 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:53,068 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:23:54,076 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:23:55,927 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 223 DAG size of output: 218 [2021-02-23 16:23:56,731 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:23:57,617 WARN L202 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:23:59,285 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2021-02-23 16:24:00,134 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:24:01,769 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 223 DAG size of output: 218 [2021-02-23 16:24:02,634 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:24:03,492 WARN L202 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:24:05,187 WARN L202 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 225 DAG size of output: 220 [2021-02-23 16:24:06,174 WARN L202 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:24:07,019 WARN L202 SmtUtils]: Spent 737.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:24:07,782 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:24:09,401 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 223 DAG size of output: 218 [2021-02-23 16:24:11,024 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2021-02-23 16:24:11,845 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:24:12,626 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:24:14,314 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-02-23 16:24:15,997 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-02-23 16:24:17,600 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2021-02-23 16:24:18,652 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:24:20,295 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-02-23 16:24:21,128 WARN L202 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:24:22,175 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:24:23,012 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:24:24,638 WARN L202 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2021-02-23 16:24:25,475 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:24:26,848 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:24:28,539 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 225 DAG size of output: 222 [2021-02-23 16:24:30,373 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 223 DAG size of output: 220 [2021-02-23 16:24:33,666 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 16:24:34,818 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 16:24:36,815 WARN L202 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-23 16:24:37,880 WARN L202 SmtUtils]: Spent 797.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-23 16:24:39,496 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 16:24:41,153 WARN L202 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:24:43,512 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-23 16:24:44,567 WARN L202 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 16:24:46,742 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-23 16:24:49,319 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:24:50,408 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:24:52,079 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:24:53,177 WARN L202 SmtUtils]: Spent 705.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:24:54,766 WARN L202 SmtUtils]: Spent 724.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:24:55,665 WARN L202 SmtUtils]: Spent 759.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 16:24:57,060 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:24:59,410 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:25:00,418 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-23 16:25:01,521 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:25:02,773 WARN L202 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-23 16:25:03,819 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:25:05,476 WARN L202 SmtUtils]: Spent 720.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-23 16:25:06,913 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 16:25:07,928 WARN L202 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-23 16:25:12,712 WARN L202 SmtUtils]: Spent 774.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-23 16:25:14,517 WARN L202 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-23 16:25:15,989 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-02-23 16:25:17,493 WARN L202 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-23 16:25:19,025 WARN L202 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-23 16:25:21,241 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2021-02-23 16:25:22,317 WARN L202 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:25:24,881 WARN L202 SmtUtils]: Spent 785.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-23 16:25:27,757 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:25:28,548 WARN L202 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:25:29,400 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:25:30,152 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:25:30,927 WARN L202 SmtUtils]: Spent 694.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:25:31,690 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:25:32,451 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:25:33,255 WARN L202 SmtUtils]: Spent 721.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:25:34,050 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:25:34,864 WARN L202 SmtUtils]: Spent 675.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:25:35,626 WARN L202 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:25:36,439 WARN L202 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:25:37,231 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-23 16:25:37,995 WARN L202 SmtUtils]: Spent 692.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:25:38,773 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-23 16:25:39,604 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:25:40,466 WARN L202 SmtUtils]: Spent 716.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-23 16:25:41,261 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-23 16:25:58,640 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 16:25:59,459 WARN L202 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-23 16:26:00,294 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-23 16:26:12,683 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-02-23 16:26:29,323 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-02-23 16:26:39,642 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2021-02-23 16:26:45,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-23 16:26:45,590 INFO L93 Difference]: Finished difference Result 2648 states and 3342 transitions. [2021-02-23 16:26:45,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 603 states. [2021-02-23 16:26:45,591 INFO L78 Accepts]: Start accepts. Automaton has 82 states. Word has length 344 [2021-02-23 16:26:45,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-23 16:26:45,594 INFO L225 Difference]: With dead ends: 2648 [2021-02-23 16:26:45,594 INFO L226 Difference]: Without dead ends: 0 [2021-02-23 16:26:45,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 897 GetRequests, 207 SyntacticMatches, 4 SemanticMatches, 686 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 209223 ImplicationChecksByTransitivity, 183.4s TimeCoverageRelationStatistics Valid=20997, Invalid=451659, Unknown=0, NotChecked=0, Total=472656 [2021-02-23 16:26:45,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-02-23 16:26:45,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-02-23 16:26:45,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-02-23 16:26:45,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-02-23 16:26:45,663 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 344 [2021-02-23 16:26:45,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-23 16:26:45,664 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-02-23 16:26:45,664 INFO L481 AbstractCegarLoop]: Interpolant automaton has 82 states. [2021-02-23 16:26:45,664 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-02-23 16:26:45,664 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-02-23 16:26:45,664 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-23 16:26:45,666 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-02-23 16:26:49,174 WARN L202 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 487 DAG size of output: 370 [2021-02-23 16:26:49,640 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 215 [2021-02-23 16:26:52,538 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 489 DAG size of output: 370 [2021-02-23 16:26:55,300 WARN L202 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 476 DAG size of output: 340 [2021-02-23 16:26:57,353 WARN L202 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 476 DAG size of output: 340 [2021-02-23 16:26:59,115 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 445 DAG size of output: 346 [2021-02-23 16:26:59,476 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:26:59,602 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:26:59,776 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:26:59,923 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:00,557 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:00,793 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 225 [2021-02-23 16:27:00,916 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 225 [2021-02-23 16:27:01,263 WARN L202 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:02,074 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:02,223 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:04,947 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 500 DAG size of output: 371 [2021-02-23 16:27:08,492 WARN L202 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 442 DAG size of output: 339 [2021-02-23 16:27:09,618 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 231 [2021-02-23 16:27:09,749 WARN L202 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 231 [2021-02-23 16:27:09,936 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 231 [2021-02-23 16:27:10,094 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 231 [2021-02-23 16:27:10,217 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 34 [2021-02-23 16:27:10,401 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 34 [2021-02-23 16:27:10,581 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 34 [2021-02-23 16:27:10,710 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 231 [2021-02-23 16:27:10,972 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 34 [2021-02-23 16:27:11,213 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 231 [2021-02-23 16:27:11,953 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 231 [2021-02-23 16:27:12,110 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 231 [2021-02-23 16:27:12,671 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 34 [2021-02-23 16:27:12,773 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 34 [2021-02-23 16:27:12,878 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 34 [2021-02-23 16:27:16,003 WARN L202 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 476 DAG size of output: 340 [2021-02-23 16:27:17,671 WARN L202 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 487 DAG size of output: 370 [2021-02-23 16:27:19,172 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 480 DAG size of output: 345 [2021-02-23 16:27:20,409 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 445 DAG size of output: 342 [2021-02-23 16:27:23,910 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 487 DAG size of output: 370 [2021-02-23 16:27:24,256 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:24,374 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:24,548 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:24,695 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:25,287 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:25,547 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 225 [2021-02-23 16:27:25,674 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 225 [2021-02-23 16:27:25,996 WARN L202 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:26,796 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:26,944 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 226 [2021-02-23 16:27:29,596 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 487 DAG size of output: 370 [2021-02-23 16:27:31,354 WARN L202 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 487 DAG size of output: 370 [2021-02-23 16:27:32,547 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 440 DAG size of output: 329 [2021-02-23 16:27:34,155 WARN L202 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 483 DAG size of output: 364 [2021-02-23 16:27:40,290 WARN L202 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 489 DAG size of output: 374 [2021-02-23 16:27:41,500 WARN L202 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 443 DAG size of output: 329 [2021-02-23 16:27:43,154 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 496 DAG size of output: 371 [2021-02-23 16:27:47,834 WARN L202 SmtUtils]: Spent 1.68 s on a formula simplification. DAG size of input: 487 DAG size of output: 370 [2021-02-23 16:27:50,198 WARN L202 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 546 DAG size of output: 409 [2021-02-23 16:27:51,407 WARN L202 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 440 DAG size of output: 330 [2021-02-23 16:27:54,885 WARN L202 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 176 DAG size of output: 20 [2021-02-23 16:27:56,956 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2021-02-23 16:27:57,313 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 36 [2021-02-23 16:27:57,433 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 20 [2021-02-23 16:27:57,543 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 24 [2021-02-23 16:28:02,105 WARN L202 SmtUtils]: Spent 4.56 s on a formula simplification. DAG size of input: 307 DAG size of output: 47 [2021-02-23 16:28:04,182 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 173 DAG size of output: 29 [2021-02-23 16:28:06,157 WARN L202 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2021-02-23 16:28:08,114 WARN L202 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2021-02-23 16:28:10,014 WARN L202 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 169 DAG size of output: 24 [2021-02-23 16:28:12,536 WARN L202 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 176 DAG size of output: 31 [2021-02-23 16:28:15,918 WARN L202 SmtUtils]: Spent 3.33 s on a formula simplification. DAG size of input: 179 DAG size of output: 37 [2021-02-23 16:28:19,160 WARN L202 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 176 DAG size of output: 35 [2021-02-23 16:28:22,397 WARN L202 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 176 DAG size of output: 35 [2021-02-23 16:28:23,050 WARN L202 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2021-02-23 16:28:23,729 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 31 [2021-02-23 16:28:25,185 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 181 DAG size of output: 34 [2021-02-23 16:28:27,109 WARN L202 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2021-02-23 16:28:29,053 WARN L202 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2021-02-23 16:28:29,744 WARN L202 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2021-02-23 16:28:33,931 WARN L202 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 307 DAG size of output: 49 [2021-02-23 16:28:34,581 WARN L202 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:28:36,042 WARN L202 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 184 DAG size of output: 34 [2021-02-23 16:28:36,726 WARN L202 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2021-02-23 16:28:38,301 WARN L202 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 187 DAG size of output: 36 [2021-02-23 16:28:40,163 WARN L202 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 173 DAG size of output: 23 [2021-02-23 16:28:41,475 WARN L202 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2021-02-23 16:28:45,210 WARN L202 SmtUtils]: Spent 3.73 s on a formula simplification. DAG size of input: 185 DAG size of output: 44 [2021-02-23 16:28:46,743 WARN L202 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 184 DAG size of output: 34 [2021-02-23 16:28:48,220 WARN L202 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 179 DAG size of output: 32 [2021-02-23 16:28:52,628 WARN L202 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 278 DAG size of output: 61 [2021-02-23 16:28:52,809 WARN L202 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2021-02-23 16:28:55,241 WARN L202 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 174 DAG size of output: 22 [2021-02-23 16:28:55,963 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2021-02-23 16:28:56,634 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:29:01,420 WARN L202 SmtUtils]: Spent 4.75 s on a formula simplification. DAG size of input: 178 DAG size of output: 41 [2021-02-23 16:29:04,980 WARN L202 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 181 DAG size of output: 40 [2021-02-23 16:29:09,379 WARN L202 SmtUtils]: Spent 4.36 s on a formula simplification. DAG size of input: 278 DAG size of output: 61 [2021-02-23 16:29:09,623 WARN L202 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 23 [2021-02-23 16:29:10,211 WARN L202 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2021-02-23 16:29:11,183 WARN L202 SmtUtils]: Spent 960.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2021-02-23 16:29:15,506 WARN L202 SmtUtils]: Spent 4.32 s on a formula simplification. DAG size of input: 284 DAG size of output: 63 [2021-02-23 16:29:16,146 WARN L202 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:29:18,290 WARN L202 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 186 DAG size of output: 31 [2021-02-23 16:29:18,893 WARN L202 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2021-02-23 16:29:20,715 WARN L202 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2021-02-23 16:29:25,520 WARN L202 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 305 DAG size of output: 68 [2021-02-23 16:29:26,198 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 19 [2021-02-23 16:29:28,380 WARN L202 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 192 DAG size of output: 22 [2021-02-23 16:29:30,188 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 158 DAG size of output: 21 [2021-02-23 16:29:32,821 WARN L202 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 171 DAG size of output: 35 [2021-02-23 16:29:35,409 WARN L202 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 207 DAG size of output: 35 [2021-02-23 16:29:36,136 WARN L202 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2021-02-23 16:29:38,587 WARN L202 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 175 DAG size of output: 23 [2021-02-23 16:29:42,085 WARN L202 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 180 DAG size of output: 35 [2021-02-23 16:29:42,673 WARN L202 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2021-02-23 16:29:43,334 WARN L202 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:29:44,053 WARN L202 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2021-02-23 16:29:46,546 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 191 DAG size of output: 46 [2021-02-23 16:29:47,169 WARN L202 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 1 [2021-02-23 16:29:49,633 WARN L202 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 174 DAG size of output: 22 [2021-02-23 16:29:53,480 WARN L202 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 273 DAG size of output: 42 [2021-02-23 16:29:54,182 WARN L202 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:29:54,398 WARN L202 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 21 [2021-02-23 16:29:59,012 WARN L202 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 173 DAG size of output: 36 [2021-02-23 16:30:01,647 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 207 DAG size of output: 35 [2021-02-23 16:30:04,144 WARN L202 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 188 DAG size of output: 42 [2021-02-23 16:30:06,206 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2021-02-23 16:30:08,118 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 174 DAG size of output: 23 [2021-02-23 16:30:10,070 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 189 DAG size of output: 26 [2021-02-23 16:30:13,426 WARN L202 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 176 DAG size of output: 33 [2021-02-23 16:30:16,917 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 177 DAG size of output: 36 [2021-02-23 16:30:19,012 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2021-02-23 16:30:23,531 WARN L202 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 278 DAG size of output: 61 [2021-02-23 16:30:24,216 WARN L202 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2021-02-23 16:30:24,921 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2021-02-23 16:30:29,508 WARN L202 SmtUtils]: Spent 4.53 s on a formula simplification. DAG size of input: 307 DAG size of output: 47 [2021-02-23 16:30:34,271 WARN L202 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 289 DAG size of output: 65 [2021-02-23 16:30:39,019 WARN L202 SmtUtils]: Spent 4.71 s on a formula simplification. DAG size of input: 280 DAG size of output: 63 [2021-02-23 16:30:39,603 WARN L202 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2021-02-23 16:30:41,506 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 181 DAG size of output: 28 [2021-02-23 16:30:44,205 WARN L202 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 180 DAG size of output: 36 [2021-02-23 16:30:44,894 WARN L202 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 24 [2021-02-23 16:30:45,785 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 35 [2021-02-23 16:30:46,034 WARN L202 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 23 [2021-02-23 16:30:48,738 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 180 DAG size of output: 36 [2021-02-23 16:30:49,541 WARN L202 SmtUtils]: Spent 800.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 31 [2021-02-23 16:30:50,200 WARN L202 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:30:50,883 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:30:51,657 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2021-02-23 16:30:53,779 WARN L202 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 166 DAG size of output: 19 [2021-02-23 16:30:55,907 WARN L202 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 173 DAG size of output: 31 [2021-02-23 16:30:56,515 WARN L202 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2021-02-23 16:30:57,256 WARN L202 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2021-02-23 16:30:59,132 WARN L202 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 173 DAG size of output: 23 [2021-02-23 16:31:01,325 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 192 DAG size of output: 22 [2021-02-23 16:31:04,884 WARN L202 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 174 DAG size of output: 36 [2021-02-23 16:31:08,082 WARN L202 SmtUtils]: Spent 3.19 s on a formula simplification. DAG size of input: 177 DAG size of output: 33 [2021-02-23 16:31:09,345 WARN L202 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 164 DAG size of output: 18 [2021-02-23 16:31:09,462 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 20 [2021-02-23 16:31:14,087 WARN L202 SmtUtils]: Spent 4.62 s on a formula simplification. DAG size of input: 307 DAG size of output: 47 [2021-02-23 16:31:16,288 WARN L202 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 186 DAG size of output: 31 [2021-02-23 16:31:18,912 WARN L202 SmtUtils]: Spent 2.60 s on a formula simplification. DAG size of input: 176 DAG size of output: 31 [2021-02-23 16:31:23,570 WARN L202 SmtUtils]: Spent 4.63 s on a formula simplification. DAG size of input: 307 DAG size of output: 47 [2021-02-23 16:31:24,237 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:31:29,171 WARN L202 SmtUtils]: Spent 4.91 s on a formula simplification. DAG size of input: 178 DAG size of output: 41 [2021-02-23 16:31:33,813 WARN L202 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 307 DAG size of output: 47 [2021-02-23 16:31:34,449 WARN L202 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2021-02-23 16:31:37,095 WARN L202 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 263 DAG size of output: 40 [2021-02-23 16:31:37,768 WARN L202 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:31:42,175 WARN L202 SmtUtils]: Spent 4.40 s on a formula simplification. DAG size of input: 301 DAG size of output: 43 [2021-02-23 16:31:44,719 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 191 DAG size of output: 46 [2021-02-23 16:31:48,203 WARN L202 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 170 DAG size of output: 34 [2021-02-23 16:31:50,202 WARN L202 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2021-02-23 16:31:53,649 WARN L202 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 170 DAG size of output: 34 [2021-02-23 16:31:54,399 WARN L202 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2021-02-23 16:31:55,011 WARN L202 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 1 [2021-02-23 16:31:57,592 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 174 DAG size of output: 22 [2021-02-23 16:31:59,665 WARN L202 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 183 DAG size of output: 26 [2021-02-23 16:32:01,900 WARN L202 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2021-02-23 16:32:02,019 WARN L202 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 20 [2021-02-23 16:32:04,563 WARN L202 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 175 DAG size of output: 23 [2021-02-23 16:32:06,452 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 169 DAG size of output: 21 [2021-02-23 16:32:08,652 WARN L202 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 170 DAG size of output: 25 [2021-02-23 16:32:10,054 WARN L202 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 175 DAG size of output: 22 [2021-02-23 16:32:10,272 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 21 [2021-02-23 16:32:12,802 WARN L202 SmtUtils]: Spent 2.53 s on a formula simplification. DAG size of input: 176 DAG size of output: 20 [2021-02-23 16:32:13,519 WARN L202 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:32:14,171 WARN L202 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 1 [2021-02-23 16:32:16,712 WARN L202 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 174 DAG size of output: 22 [2021-02-23 16:32:17,500 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 26 [2021-02-23 16:32:21,179 WARN L202 SmtUtils]: Spent 3.64 s on a formula simplification. DAG size of input: 180 DAG size of output: 35 [2021-02-23 16:32:21,783 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2021-02-23 16:32:23,827 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 183 DAG size of output: 32 [2021-02-23 16:32:24,248 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 36 [2021-02-23 16:32:27,247 WARN L202 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 188 DAG size of output: 38 [2021-02-23 16:32:27,936 WARN L202 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 1 [2021-02-23 16:32:28,621 WARN L202 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:32:32,294 WARN L202 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 181 DAG size of output: 37 [2021-02-23 16:32:33,024 WARN L202 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2021-02-23 16:32:36,506 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2021-02-23 16:32:39,989 WARN L202 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2021-02-23 16:32:44,416 WARN L202 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 311 DAG size of output: 49 [2021-02-23 16:32:49,282 WARN L202 SmtUtils]: Spent 4.86 s on a formula simplification. DAG size of input: 273 DAG size of output: 61 [2021-02-23 16:32:54,485 WARN L202 SmtUtils]: Spent 5.18 s on a formula simplification. DAG size of input: 305 DAG size of output: 64 [2021-02-23 16:32:55,290 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-23 16:32:57,298 WARN L202 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 181 DAG size of output: 23 [2021-02-23 16:33:00,061 WARN L202 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 207 DAG size of output: 35 [2021-02-23 16:33:02,330 WARN L202 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 194 DAG size of output: 35 [2021-02-23 16:33:03,083 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2021-02-23 16:33:03,995 WARN L202 SmtUtils]: Spent 909.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 35 [2021-02-23 16:33:07,931 WARN L202 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 171 DAG size of output: 29 [2021-02-23 16:33:10,050 WARN L202 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 186 DAG size of output: 35 [2021-02-23 16:33:14,648 WARN L202 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 173 DAG size of output: 33 [2021-02-23 16:33:15,724 WARN L202 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 65 DAG size of output: 40 [2021-02-23 16:33:16,333 WARN L202 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 1 [2021-02-23 16:33:18,884 WARN L202 SmtUtils]: Spent 2.55 s on a formula simplification. DAG size of input: 175 DAG size of output: 23 [2021-02-23 16:33:20,881 WARN L202 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 183 DAG size of output: 26 [2021-02-23 16:33:26,123 WARN L202 SmtUtils]: Spent 5.24 s on a formula simplification. DAG size of input: 178 DAG size of output: 40 [2021-02-23 16:33:28,165 WARN L202 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 183 DAG size of output: 32 [2021-02-23 16:33:28,354 WARN L202 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 21 [2021-02-23 16:33:29,119 WARN L202 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2021-02-23 16:33:33,919 WARN L202 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 307 DAG size of output: 47 [2021-02-23 16:33:34,683 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2021-02-23 16:33:37,488 WARN L202 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 187 DAG size of output: 19 [2021-02-23 16:33:38,255 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2021-02-23 16:33:38,967 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 27 [2021-02-23 16:33:43,787 WARN L202 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 352 DAG size of output: 48 [2021-02-23 16:33:44,495 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 18 [2021-02-23 16:33:45,281 WARN L202 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 23 [2021-02-23 16:33:46,025 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 23