/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/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:22:50,470 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:22:50,473 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:22:50,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:22:50,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:22:50,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:22:50,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:22:50,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:22:50,531 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:22:50,537 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:22:50,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:22:50,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:22:50,542 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:22:50,545 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:22:50,547 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:22:50,549 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:22:50,551 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:22:50,555 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:22:50,560 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:22:50,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:22:50,574 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:22:50,575 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:22:50,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:22:50,579 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:22:50,589 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:22:50,589 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:22:50,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:22:50,594 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:22:50,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:22:50,596 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:22:50,596 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:22:50,597 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:22:50,599 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:22:50,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:22:50,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:22:50,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:22:50,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:22:50,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:22:50,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:22:50,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:22:50,606 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:22:50,607 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-22 01:22:50,631 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:22:50,631 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:22:50,636 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:22:50,636 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:22:50,636 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:22:50,637 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:22:50,637 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:22:50,637 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:22:50,637 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:22:50,637 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:22:50,639 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:22:50,639 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:22:50,639 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:22:50,639 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:22:50,639 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:22:50,640 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:22:50,640 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:22:50,640 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:22:50,640 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:22:50,640 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:22:50,641 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:22:50,641 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:22:50,641 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:22:50,641 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:22:51,076 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:22:51,099 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:22:51,102 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:22:51,103 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:22:51,104 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:22:51,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2021-02-22 01:22:51,190 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3402c7c10/ba4f1a7fc7fc49788277965dd88388af/FLAG60ab9254f [2021-02-22 01:22:51,843 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:22:51,844 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2021-02-22 01:22:51,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3402c7c10/ba4f1a7fc7fc49788277965dd88388af/FLAG60ab9254f [2021-02-22 01:22:52,143 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3402c7c10/ba4f1a7fc7fc49788277965dd88388af [2021-02-22 01:22:52,147 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:22:52,162 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:22:52,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:22:52,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:22:52,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:22:52,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:22:52" (1/1) ... [2021-02-22 01:22:52,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8518af0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52, skipping insertion in model container [2021-02-22 01:22:52,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:22:52" (1/1) ... [2021-02-22 01:22:52,186 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:22:52,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:22:52,477 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_spec5_product50.cil.c[1281,1294] [2021-02-22 01:22:52,727 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:22:52,741 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:22:52,773 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_spec5_product50.cil.c[1281,1294] [2021-02-22 01:22:52,892 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:22:52,943 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:22:52,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52 WrapperNode [2021-02-22 01:22:52,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:22:52,946 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:22:52,946 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:22:52,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:22:52,960 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52" (1/1) ... [2021-02-22 01:22:52,961 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52" (1/1) ... [2021-02-22 01:22:52,979 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52" (1/1) ... [2021-02-22 01:22:52,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52" (1/1) ... [2021-02-22 01:22:53,017 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52" (1/1) ... [2021-02-22 01:22:53,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52" (1/1) ... [2021-02-22 01:22:53,034 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52" (1/1) ... [2021-02-22 01:22:53,043 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:22:53,044 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:22:53,044 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:22:53,044 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:22:53,045 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52" (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 [2021-02-22 01:22:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:22:53,211 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 01:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 01:22:53,212 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 01:22:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 01:22:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 01:22:53,213 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 01:22:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 01:22:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 01:22:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 01:22:53,214 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 01:22:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 01:22:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-22 01:22:53,215 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-22 01:22:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-22 01:22:53,216 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 01:22:53,217 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 01:22:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 01:22:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 01:22:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 01:22:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 01:22:53,219 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 01:22:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-22 01:22:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-22 01:22:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 01:22:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 01:22:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 01:22:53,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 01:22:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 01:22:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 01:22:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-22 01:22:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-22 01:22:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-22 01:22:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 01:22:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 01:22:53,221 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 01:22:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 01:22:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 01:22:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 01:22:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 01:22:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 01:22:53,222 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:22:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:22:53,222 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 01:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 01:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 01:22:53,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 01:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 01:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-22 01:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-22 01:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 01:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 01:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 01:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 01:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 01:22:53,224 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-22 01:22:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-22 01:22:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-22 01:22:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 01:22:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 01:22:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-22 01:22:53,225 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 01:22:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-22 01:22:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 01:22:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 01:22:53,226 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 01:22:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 01:22:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 01:22:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 01:22:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:22:53,227 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:22:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 01:22:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 01:22:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:22:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:22:53,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:22:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 01:22:53,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:22:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 01:22:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 01:22:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:22:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 01:22:53,230 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 01:22:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 01:22:53,231 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-22 01:22:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 01:22:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 01:22:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 01:22:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 01:22:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 01:22:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 01:22:53,232 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 01:22:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:22:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:22:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:22:53,233 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:22:54,358 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:22:54,359 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 01:22:54,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:22:54 BoogieIcfgContainer [2021-02-22 01:22:54,362 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:22:54,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:22:54,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:22:54,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:22:54,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:22:52" (1/3) ... [2021-02-22 01:22:54,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e609812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:22:54, skipping insertion in model container [2021-02-22 01:22:54,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:22:52" (2/3) ... [2021-02-22 01:22:54,369 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e609812 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:22:54, skipping insertion in model container [2021-02-22 01:22:54,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:22:54" (3/3) ... [2021-02-22 01:22:54,370 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2021-02-22 01:22:54,377 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:22:54,382 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:22:54,402 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:22:54,426 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:22:54,426 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:22:54,426 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:22:54,426 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:22:54,427 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:22:54,427 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:22:54,427 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:22:54,427 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:22:54,450 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2021-02-22 01:22:54,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-22 01:22:54,470 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:54,472 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] [2021-02-22 01:22:54,472 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:54,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:54,479 INFO L82 PathProgramCache]: Analyzing trace with hash -854232855, now seen corresponding path program 1 times [2021-02-22 01:22:54,488 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:54,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [979953585] [2021-02-22 01:22:54,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:54,570 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:54,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:54,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:54,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:54,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,312 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:55,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:55,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:55,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:55,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,454 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-22 01:22:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,465 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-22 01:22:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-22 01:22:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:55,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:55,488 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:55,547 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:22:55,548 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [979953585] [2021-02-22 01:22:55,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:55,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 01:22:55,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2099471496] [2021-02-22 01:22:55,556 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 01:22:55,557 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:55,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 01:22:55,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:22:55,570 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2021-02-22 01:22:57,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:22:57,105 INFO L93 Difference]: Finished difference Result 523 states and 611 transitions. [2021-02-22 01:22:57,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-22 01:22:57,109 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-22 01:22:57,110 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:22:57,125 INFO L225 Difference]: With dead ends: 523 [2021-02-22 01:22:57,126 INFO L226 Difference]: Without dead ends: 329 [2021-02-22 01:22:57,131 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:22:57,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-02-22 01:22:57,349 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 283. [2021-02-22 01:22:57,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-02-22 01:22:57,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 307 transitions. [2021-02-22 01:22:57,357 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 307 transitions. Word has length 165 [2021-02-22 01:22:57,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:22:57,360 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 307 transitions. [2021-02-22 01:22:57,360 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 01:22:57,360 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 307 transitions. [2021-02-22 01:22:57,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-22 01:22:57,377 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:22:57,377 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] [2021-02-22 01:22:57,377 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:22:57,377 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:22:57,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:22:57,380 INFO L82 PathProgramCache]: Analyzing trace with hash -561612067, now seen corresponding path program 1 times [2021-02-22 01:22:57,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:22:57,380 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718378403] [2021-02-22 01:22:57,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:22:57,387 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:22:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:22:57,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,502 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,852 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:22:57,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:57,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:22:57,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,939 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:22:57,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:22:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,948 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:22:57,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:22:57,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:22:57,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:22:57,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,977 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,978 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-22 01:22:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:57,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:22:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:22:57,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:22:57,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:22:58,028 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:22:58,033 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718378403] [2021-02-22 01:22:58,033 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:22:58,034 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 01:22:58,034 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280755673] [2021-02-22 01:22:58,037 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 01:22:58,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:22:58,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 01:22:58,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 01:22:58,042 INFO L87 Difference]: Start difference. First operand 283 states and 307 transitions. Second operand 5 states. [2021-02-22 01:22:58,846 WARN L202 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:00,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:23:00,052 INFO L93 Difference]: Finished difference Result 447 states and 502 transitions. [2021-02-22 01:23:00,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 01:23:00,053 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-22 01:23:00,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:23:00,058 INFO L225 Difference]: With dead ends: 447 [2021-02-22 01:23:00,058 INFO L226 Difference]: Without dead ends: 318 [2021-02-22 01:23:00,061 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-22 01:23:00,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-02-22 01:23:00,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 273. [2021-02-22 01:23:00,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-22 01:23:00,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 294 transitions. [2021-02-22 01:23:00,162 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 294 transitions. Word has length 166 [2021-02-22 01:23:00,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:23:00,163 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 294 transitions. [2021-02-22 01:23:00,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 01:23:00,163 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 294 transitions. [2021-02-22 01:23:00,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-22 01:23:00,166 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:23:00,166 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] [2021-02-22 01:23:00,166 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:23:00,167 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:23:00,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:23:00,168 INFO L82 PathProgramCache]: Analyzing trace with hash 219459745, now seen corresponding path program 1 times [2021-02-22 01:23:00,168 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:23:00,168 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [957817587] [2021-02-22 01:23:00,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:23:00,171 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:23:00,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:00,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:00,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:23:00,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,694 WARN L202 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:23:00,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:00,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,742 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:23:00,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:23:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,757 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:23:00,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,773 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:00,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:00,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:23:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:23:00,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:23:00,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:00,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:23:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:00,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-22 01:23:00,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-22 01:23:00,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:00,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:00,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:23:00,908 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [957817587] [2021-02-22 01:23:00,908 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:23:00,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:23:00,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471538957] [2021-02-22 01:23:00,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:23:00,910 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:23:00,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:23:00,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:23:00,911 INFO L87 Difference]: Start difference. First operand 273 states and 294 transitions. Second operand 11 states. [2021-02-22 01:23:01,558 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:23:01,981 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:23:02,373 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:23:02,775 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:03,178 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:03,577 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:05,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:23:05,489 INFO L93 Difference]: Finished difference Result 494 states and 567 transitions. [2021-02-22 01:23:05,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-22 01:23:05,490 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-22 01:23:05,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:23:05,494 INFO L225 Difference]: With dead ends: 494 [2021-02-22 01:23:05,495 INFO L226 Difference]: Without dead ends: 341 [2021-02-22 01:23:05,496 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2021-02-22 01:23:05,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-02-22 01:23:05,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 273. [2021-02-22 01:23:05,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-22 01:23:05,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 293 transitions. [2021-02-22 01:23:05,645 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 293 transitions. Word has length 179 [2021-02-22 01:23:05,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:23:05,647 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 293 transitions. [2021-02-22 01:23:05,648 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:23:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 293 transitions. [2021-02-22 01:23:05,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-02-22 01:23:05,654 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:23:05,654 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] [2021-02-22 01:23:05,655 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:23:05,656 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:23:05,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:23:05,657 INFO L82 PathProgramCache]: Analyzing trace with hash 1889273304, now seen corresponding path program 1 times [2021-02-22 01:23:05,657 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:23:05,657 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1949495126] [2021-02-22 01:23:05,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:23:05,661 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:23:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:05,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:05,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:05,785 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:05,786 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:05,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:05,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:05,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:05,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:05,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:05,788 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:05,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:05,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,110 WARN L202 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:23:06,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,166 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:06,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:23:06,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,176 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:23:06,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:23:06,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,184 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:23:06,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:23:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:23:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:23:06,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:06,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:23:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:06,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:06,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:06,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:23:06,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-02-22 01:23:06,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,285 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-02-22 01:23:06,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:06,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:06,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:06,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:23:06,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1949495126] [2021-02-22 01:23:06,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:23:06,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 01:23:06,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360626798] [2021-02-22 01:23:06,340 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 01:23:06,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:23:06,343 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 01:23:06,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 01:23:06,344 INFO L87 Difference]: Start difference. First operand 273 states and 293 transitions. Second operand 8 states. [2021-02-22 01:23:07,014 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:23:09,264 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:10,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:23:10,194 INFO L93 Difference]: Finished difference Result 683 states and 812 transitions. [2021-02-22 01:23:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-22 01:23:10,195 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2021-02-22 01:23:10,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:23:10,202 INFO L225 Difference]: With dead ends: 683 [2021-02-22 01:23:10,202 INFO L226 Difference]: Without dead ends: 530 [2021-02-22 01:23:10,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2021-02-22 01:23:10,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-02-22 01:23:10,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 392. [2021-02-22 01:23:10,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2021-02-22 01:23:10,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 424 transitions. [2021-02-22 01:23:10,369 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 424 transitions. Word has length 192 [2021-02-22 01:23:10,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:23:10,369 INFO L480 AbstractCegarLoop]: Abstraction has 392 states and 424 transitions. [2021-02-22 01:23:10,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 01:23:10,369 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 424 transitions. [2021-02-22 01:23:10,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-02-22 01:23:10,372 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:23:10,373 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] [2021-02-22 01:23:10,373 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 01:23:10,373 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:23:10,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:23:10,374 INFO L82 PathProgramCache]: Analyzing trace with hash -2070248864, now seen corresponding path program 1 times [2021-02-22 01:23:10,374 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:23:10,374 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1301510096] [2021-02-22 01:23:10,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:23:10,377 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:23:10,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:10,445 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,445 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:10,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:10,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,447 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:10,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:23:10,452 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-22 01:23:10,453 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-22 01:23:10,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,454 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,788 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:23:10,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:10,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:23:10,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:23:10,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:23:10,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:23:10,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:23:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:23:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,884 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:23:10,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:23:10,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,898 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:10,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:23:10,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:10,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:10,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,933 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,933 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,934 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:10,949 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-22 01:23:10,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-22 01:23:10,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:23:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:10,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:10,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:10,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:10,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:11,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:23:11,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:11,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:11,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:11,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-02-22 01:23:11,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:11,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:11,012 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:11,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-02-22 01:23:11,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:11,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:11,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:11,074 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-22 01:23:11,074 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1301510096] [2021-02-22 01:23:11,074 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:23:11,075 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:23:11,075 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220871180] [2021-02-22 01:23:11,075 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:23:11,075 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:23:11,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:23:11,076 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:23:11,076 INFO L87 Difference]: Start difference. First operand 392 states and 424 transitions. Second operand 11 states. [2021-02-22 01:23:11,756 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:23:13,302 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:13,710 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:23:14,128 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:23:14,519 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:14,970 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:23:15,367 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:17,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:23:17,986 INFO L93 Difference]: Finished difference Result 1098 states and 1356 transitions. [2021-02-22 01:23:17,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-22 01:23:17,986 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2021-02-22 01:23:17,987 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:23:18,010 INFO L225 Difference]: With dead ends: 1098 [2021-02-22 01:23:18,012 INFO L226 Difference]: Without dead ends: 826 [2021-02-22 01:23:18,014 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2021-02-22 01:23:18,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2021-02-22 01:23:18,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 587. [2021-02-22 01:23:18,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2021-02-22 01:23:18,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 647 transitions. [2021-02-22 01:23:18,281 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 647 transitions. Word has length 216 [2021-02-22 01:23:18,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:23:18,282 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 647 transitions. [2021-02-22 01:23:18,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:23:18,282 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 647 transitions. [2021-02-22 01:23:18,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-02-22 01:23:18,286 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:23:18,286 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] [2021-02-22 01:23:18,287 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 01:23:18,287 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:23:18,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:23:18,287 INFO L82 PathProgramCache]: Analyzing trace with hash -429954883, now seen corresponding path program 1 times [2021-02-22 01:23:18,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:23:18,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1038631001] [2021-02-22 01:23:18,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:23:18,291 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:23:18,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,359 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,364 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,366 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,661 WARN L202 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:23:18,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:18,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:23:18,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:23:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:23:18,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,716 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:23:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:23:18,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:23:18,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:23:18,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,747 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,748 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:18,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:23:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,769 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,771 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:18,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:23:18,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:23:18,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,790 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-02-22 01:23:18,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-02-22 01:23:18,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:18,818 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,820 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:18,820 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:18,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:18,933 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-22 01:23:18,933 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1038631001] [2021-02-22 01:23:18,933 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:23:18,934 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:23:18,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000898328] [2021-02-22 01:23:18,934 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:23:18,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:23:18,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:23:18,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:23:18,936 INFO L87 Difference]: Start difference. First operand 587 states and 647 transitions. Second operand 11 states. [2021-02-22 01:23:19,562 WARN L202 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:23:20,652 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:21,038 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:22,149 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:23:22,621 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:23,088 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:23,936 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:24,268 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:24,584 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:25,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:23:25,623 INFO L93 Difference]: Finished difference Result 1287 states and 1535 transitions. [2021-02-22 01:23:25,625 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-22 01:23:25,625 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2021-02-22 01:23:25,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:23:25,631 INFO L225 Difference]: With dead ends: 1287 [2021-02-22 01:23:25,631 INFO L226 Difference]: Without dead ends: 820 [2021-02-22 01:23:25,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2021-02-22 01:23:25,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2021-02-22 01:23:25,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 585. [2021-02-22 01:23:25,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2021-02-22 01:23:25,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 641 transitions. [2021-02-22 01:23:25,865 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 641 transitions. Word has length 216 [2021-02-22 01:23:25,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:23:25,866 INFO L480 AbstractCegarLoop]: Abstraction has 585 states and 641 transitions. [2021-02-22 01:23:25,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:23:25,866 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 641 transitions. [2021-02-22 01:23:25,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-22 01:23:25,868 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:23:25,869 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] [2021-02-22 01:23:25,869 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 01:23:25,869 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:23:25,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:23:25,870 INFO L82 PathProgramCache]: Analyzing trace with hash 2045876568, now seen corresponding path program 1 times [2021-02-22 01:23:25,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:23:25,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [159007749] [2021-02-22 01:23:25,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:23:25,873 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:23:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:25,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:25,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:25,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:25,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,230 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:23:26,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:26,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:23:26,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:23:26,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:23:26,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,270 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:23:26,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:23:26,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,281 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:23:26,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:23:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:26,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:23:26,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,320 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:26,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:26,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:26,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,349 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:26,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:26,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,382 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:26,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:23:26,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,405 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:23:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-22 01:23:26,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-22 01:23:26,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:26,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:26,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:23:26,467 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [159007749] [2021-02-22 01:23:26,467 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:23:26,467 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:23:26,467 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350354175] [2021-02-22 01:23:26,468 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:23:26,468 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:23:26,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:23:26,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:23:26,469 INFO L87 Difference]: Start difference. First operand 585 states and 641 transitions. Second operand 11 states. [2021-02-22 01:23:28,022 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:28,422 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:23:28,869 WARN L202 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:23:29,269 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:29,679 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:23:30,055 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:31,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:23:31,439 INFO L93 Difference]: Finished difference Result 1291 states and 1531 transitions. [2021-02-22 01:23:31,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 01:23:31,439 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2021-02-22 01:23:31,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:23:31,446 INFO L225 Difference]: With dead ends: 1291 [2021-02-22 01:23:31,446 INFO L226 Difference]: Without dead ends: 826 [2021-02-22 01:23:31,452 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-22 01:23:31,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2021-02-22 01:23:31,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 601. [2021-02-22 01:23:31,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2021-02-22 01:23:31,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 657 transitions. [2021-02-22 01:23:31,702 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 657 transitions. Word has length 217 [2021-02-22 01:23:31,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:23:31,703 INFO L480 AbstractCegarLoop]: Abstraction has 601 states and 657 transitions. [2021-02-22 01:23:31,703 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:23:31,703 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 657 transitions. [2021-02-22 01:23:31,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-22 01:23:31,706 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:23:31,706 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] [2021-02-22 01:23:31,706 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-22 01:23:31,706 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:23:31,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:23:31,707 INFO L82 PathProgramCache]: Analyzing trace with hash 1920672184, now seen corresponding path program 1 times [2021-02-22 01:23:31,707 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:23:31,707 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [802771957] [2021-02-22 01:23:31,707 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:23:31,710 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:23:31,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:31,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:31,766 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:31,766 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:31,767 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:31,770 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:31,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:31,774 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:31,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:31,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:31,775 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,085 WARN L202 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:23:32,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:23:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,125 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:23:32,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,127 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:23:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:32,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:32,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:23:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:23:32,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,180 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,180 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:23:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:23:32,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:32,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:23:32,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:32,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:32,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,261 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:32,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:32,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:23:32,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:32,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:32,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:23:32,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,326 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-22 01:23:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-22 01:23:32,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:32,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:32,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:32,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:23:32,380 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [802771957] [2021-02-22 01:23:32,380 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:23:32,380 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-22 01:23:32,380 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [186737344] [2021-02-22 01:23:32,381 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-22 01:23:32,381 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:23:32,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-22 01:23:32,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-22 01:23:32,382 INFO L87 Difference]: Start difference. First operand 601 states and 657 transitions. Second operand 14 states. [2021-02-22 01:23:33,093 WARN L202 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:33,481 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:23:33,885 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:34,288 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:23:34,667 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:35,918 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:36,303 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:23:36,691 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:37,103 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:23:37,490 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:39,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:23:39,171 INFO L93 Difference]: Finished difference Result 1155 states and 1358 transitions. [2021-02-22 01:23:39,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-22 01:23:39,174 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2021-02-22 01:23:39,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:23:39,180 INFO L225 Difference]: With dead ends: 1155 [2021-02-22 01:23:39,180 INFO L226 Difference]: Without dead ends: 674 [2021-02-22 01:23:39,183 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-22 01:23:39,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2021-02-22 01:23:39,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 511. [2021-02-22 01:23:39,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2021-02-22 01:23:39,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 548 transitions. [2021-02-22 01:23:39,415 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 548 transitions. Word has length 217 [2021-02-22 01:23:39,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:23:39,416 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 548 transitions. [2021-02-22 01:23:39,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-22 01:23:39,416 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 548 transitions. [2021-02-22 01:23:39,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-22 01:23:39,418 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:23:39,418 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] [2021-02-22 01:23:39,418 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-22 01:23:39,419 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:23:39,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:23:39,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1300842046, now seen corresponding path program 1 times [2021-02-22 01:23:39,419 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:23:39,419 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [554153396] [2021-02-22 01:23:39,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:23:39,422 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:23:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:39,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:39,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:39,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:39,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:39,531 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-22 01:23:39,531 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-22 01:23:39,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:39,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:39,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:39,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:39,874 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:23:39,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:39,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:39,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:39,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:23:39,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:23:39,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:39,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,923 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:39,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:23:39,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:39,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:39,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:23:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:39,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:39,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:23:39,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:39,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:39,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:23:39,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:39,941 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,941 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:39,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:23:39,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:39,963 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:39,964 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:39,980 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-22 01:23:39,981 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-22 01:23:40,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:23:40,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,018 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,019 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-22 01:23:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,024 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:40,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,031 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-22 01:23:40,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:40,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:40,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:23:40,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,061 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:23:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,065 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-22 01:23:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,070 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:40,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-22 01:23:40,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:40,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:40,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:40,185 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:23:40,186 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [554153396] [2021-02-22 01:23:40,186 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:23:40,186 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-22 01:23:40,186 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619090860] [2021-02-22 01:23:40,187 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-22 01:23:40,187 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:23:40,187 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-22 01:23:40,187 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-22 01:23:40,187 INFO L87 Difference]: Start difference. First operand 511 states and 548 transitions. Second operand 15 states. [2021-02-22 01:23:41,254 WARN L202 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-22 01:23:42,273 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:23:44,438 WARN L202 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-22 01:23:45,174 WARN L202 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-22 01:23:45,589 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:45,964 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:46,688 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-22 01:23:47,062 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:47,472 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:23:47,847 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:50,193 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:23:50,548 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:23:50,932 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:23:51,806 WARN L202 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-22 01:23:53,665 WARN L202 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-22 01:23:54,386 WARN L202 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-22 01:23:55,121 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-22 01:23:55,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:23:55,932 INFO L93 Difference]: Finished difference Result 1589 states and 1879 transitions. [2021-02-22 01:23:55,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-22 01:23:55,933 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2021-02-22 01:23:55,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:23:55,942 INFO L225 Difference]: With dead ends: 1589 [2021-02-22 01:23:55,943 INFO L226 Difference]: Without dead ends: 1302 [2021-02-22 01:23:55,946 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 9.8s TimeCoverageRelationStatistics Valid=798, Invalid=3108, Unknown=0, NotChecked=0, Total=3906 [2021-02-22 01:23:55,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2021-02-22 01:23:56,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1024. [2021-02-22 01:23:56,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2021-02-22 01:23:56,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1104 transitions. [2021-02-22 01:23:56,450 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1104 transitions. Word has length 222 [2021-02-22 01:23:56,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:23:56,451 INFO L480 AbstractCegarLoop]: Abstraction has 1024 states and 1104 transitions. [2021-02-22 01:23:56,451 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-22 01:23:56,451 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1104 transitions. [2021-02-22 01:23:56,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-02-22 01:23:56,454 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:23:56,454 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:23:56,455 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-22 01:23:56,455 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:23:56,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:23:56,455 INFO L82 PathProgramCache]: Analyzing trace with hash -562206810, now seen corresponding path program 1 times [2021-02-22 01:23:56,456 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:23:56,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [162071890] [2021-02-22 01:23:56,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:23:56,539 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-22 01:23:56,571 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-22 01:23:56,588 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-22 01:23:56,594 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-22 01:23:56,637 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-22 01:23:56,647 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-22 01:23:56,650 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-22 01:23:56,652 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-22 01:23:56,655 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-22 01:23:56,660 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-22 01:23:56,663 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-22 01:23:56,667 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-22 01:23:56,703 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-22 01:23:56,705 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-22 01:23:56,707 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-22 01:23:56,709 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-22 01:23:56,711 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-22 01:23:56,711 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-22 01:23:56,713 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-22 01:23:56,713 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-22 01:23:56,715 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:23:56,717 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:23:56,719 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-22 01:23:56,721 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-22 01:23:56,723 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-22 01:23:56,727 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-22 01:23:56,730 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-22 01:23:56,734 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-22 01:23:56,772 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-22 01:23:56,774 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-22 01:23:56,776 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-22 01:23:56,778 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-22 01:23:56,779 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-22 01:23:56,779 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-22 01:23:56,781 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-22 01:23:56,781 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-22 01:23:56,783 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:23:56,785 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:23:56,787 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-22 01:23:56,788 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-22 01:23:56,791 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-22 01:23:56,794 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-22 01:23:56,797 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-22 01:23:56,801 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-22 01:23:56,837 WARN L141 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-02-22 01:23:56,841 INFO L723 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2021-02-22 01:23:56,847 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:56,847 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:56,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:56,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-22 01:23:56,858 WARN L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-02-22 01:23:56,863 WARN L141 QuantifierPusher]: treesize reduction 17, result has 86.3 percent of original size [2021-02-22 01:23:56,867 WARN L147 QuantifierPusher]: treesize reduction 17, result has 86.3 percent of original size 107 [2021-02-22 01:23:56,868 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-22 01:23:56,869 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-22 01:23:56,870 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-22 01:23:56,871 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-22 01:23:56,873 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:23:56,874 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:23:56,876 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-22 01:23:56,877 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-22 01:23:56,879 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-22 01:23:56,879 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-22 01:23:56,881 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-22 01:23:56,881 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-22 01:23:56,883 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:23:56,884 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:23:56,886 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-22 01:23:56,887 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-22 01:23:56,888 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 01:23:56,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:56,966 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:56,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:56,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:56,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:56,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:56,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:23:56,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:56,975 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,250 WARN L202 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:23:57,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:57,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:23:57,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:23:57,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:23:57,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:23:57,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,290 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:23:57,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-22 01:23:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 01:23:57,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:57,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:57,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:23:57,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:57,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:57,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-22 01:23:57,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-22 01:23:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,385 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:57,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:23:57,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 01:23:57,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:23:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-02-22 01:23:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,398 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,399 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-22 01:23:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:23:57,401 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-22 01:23:57,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,468 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:57,470 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:23:57,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,472 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:57,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:23:57,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,476 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,476 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:57,477 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:23:57,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,479 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,480 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:57,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:23:57,482 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,483 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:57,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-22 01:23:57,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,491 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,493 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-02-22 01:23:57,494 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-02-22 01:23:57,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,496 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:23:57,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:57,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:23:57,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:23:57,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:57,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:57,609 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,611 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,612 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:57,613 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,614 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:57,615 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:57,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:57,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:57,672 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,673 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:57,720 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,721 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:57,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,722 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:23:57,724 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:57,725 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:57,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:57,771 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:23:57,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:23:57,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:57,857 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-22 01:23:57,858 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-22 01:23:57,883 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,883 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:23:57,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:23:57,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:57,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:57,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:58,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:58,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:58,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:58,100 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:58,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:58,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,147 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:23:58,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:58,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,197 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:58,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:58,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:23:58,267 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,268 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:58,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:58,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,270 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:58,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,271 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:23:58,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:23:58,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,348 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,349 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,350 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:23:58,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,389 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:23:58,436 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,437 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:23:58,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:58,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:23:58,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:58,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:23:58,599 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-22 01:23:58,600 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-22 01:23:58,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,603 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:23:58,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,647 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:23:58,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,688 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,689 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,691 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,692 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,696 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,696 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,697 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:23:58,698 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-22 01:23:58,699 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-22 01:23:58,740 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,741 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:58,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:58,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:58,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:58,906 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-22 01:23:58,907 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-22 01:23:58,908 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,909 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:58,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:58,968 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:59,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:59,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:59,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:23:59,167 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,168 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:23:59,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:23:59,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 01:23:59,309 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-22 01:23:59,310 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-22 01:23:59,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:59,381 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:59,446 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-22 01:23:59,447 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-22 01:23:59,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:59,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:59,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:59,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:59,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:23:59,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:59,647 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,649 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:23:59,651 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:59,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:23:59,654 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,655 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:59,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:59,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:59,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:59,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,659 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:59,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:59,661 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:23:59,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:23:59,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:59,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:23:59,802 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,803 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:23:59,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 01:23:59,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:23:59,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:24:00,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:24:00,009 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:24:00,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:24:00,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:24:00,135 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:24:00,135 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:24:00,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:24:00,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:24:00,138 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:24:00,139 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:24:00,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:24:00,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:24:00,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:24:00,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:24:00,141 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [162071890] [2021-02-22 01:24:00,141 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:24:00,142 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2021-02-22 01:24:00,142 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494602310] [2021-02-22 01:24:00,143 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-22 01:24:00,143 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:24:00,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-22 01:24:00,146 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=3333, Unknown=0, NotChecked=0, Total=3660 [2021-02-22 01:24:00,146 INFO L87 Difference]: Start difference. First operand 1024 states and 1104 transitions. Second operand 56 states. [2021-02-22 01:24:00,853 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:24:01,582 WARN L202 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:24:01,970 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:24:02,384 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:24:02,778 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:24:03,194 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:24:03,631 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:24:04,053 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:24:04,461 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:24:04,922 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:24:05,335 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:24:05,801 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:24:06,280 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:24:06,804 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:24:07,348 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:24:07,840 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:08,746 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:24:09,376 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:24:09,732 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:24:10,225 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:24:10,603 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:24:11,053 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:24:11,443 WARN L202 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:24:11,855 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:24:12,622 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:24:13,008 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:24:13,729 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:24:14,196 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:14,666 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:15,191 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:15,686 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:16,149 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:16,691 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:17,193 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:24:17,688 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:24:18,184 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:18,680 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:19,202 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:20,234 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:24:20,852 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:21,308 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:21,835 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:22,369 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:24:22,777 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:24:23,211 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:23,784 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:24,319 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:24:24,752 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:26,674 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:24:27,255 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:24:28,338 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:24:28,845 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:24:31,356 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:24:32,850 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:24:33,377 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:24:35,552 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:24:36,484 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-22 01:24:37,561 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:24:38,328 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:24:38,848 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:24:39,312 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:39,983 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:40,571 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:41,018 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:41,457 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:24:42,302 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-22 01:24:43,165 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2021-02-22 01:24:43,972 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:24:44,381 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:24:45,948 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:24:46,333 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:24:47,428 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:24:47,820 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:24:48,639 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:24:49,254 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:24:49,972 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:24:50,627 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:24:51,649 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:24:52,472 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:24:53,752 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:24:54,514 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:24:55,725 WARN L202 SmtUtils]: Spent 806.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:24:56,350 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:24:57,508 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-22 01:24:58,336 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:24:59,514 WARN L202 SmtUtils]: Spent 874.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:25:00,308 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:25:01,999 WARN L202 SmtUtils]: Spent 502.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:25:02,734 WARN L202 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:25:04,821 WARN L202 SmtUtils]: Spent 490.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-22 01:25:05,427 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:25:06,889 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:25:07,832 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:25:08,420 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:25:08,946 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:25:09,404 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:25:09,871 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:25:10,312 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:25:10,732 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:25:11,206 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:25:18,686 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:25:20,891 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-22 01:25:21,557 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:25:22,062 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:25:23,013 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-22 01:25:30,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:25:30,182 INFO L93 Difference]: Finished difference Result 4935 states and 6042 transitions. [2021-02-22 01:25:30,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 484 states. [2021-02-22 01:25:30,183 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 313 [2021-02-22 01:25:30,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:25:30,197 INFO L225 Difference]: With dead ends: 4935 [2021-02-22 01:25:30,197 INFO L226 Difference]: Without dead ends: 1988 [2021-02-22 01:25:30,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 177 SyntacticMatches, 5 SemanticMatches, 538 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131508 ImplicationChecksByTransitivity, 67.8s TimeCoverageRelationStatistics Valid=12733, Invalid=278327, Unknown=0, NotChecked=0, Total=291060 [2021-02-22 01:25:30,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2021-02-22 01:25:31,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1381. [2021-02-22 01:25:31,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2021-02-22 01:25:31,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1517 transitions. [2021-02-22 01:25:31,105 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1517 transitions. Word has length 313 [2021-02-22 01:25:31,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:25:31,106 INFO L480 AbstractCegarLoop]: Abstraction has 1381 states and 1517 transitions. [2021-02-22 01:25:31,106 INFO L481 AbstractCegarLoop]: Interpolant automaton has 56 states. [2021-02-22 01:25:31,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1517 transitions. [2021-02-22 01:25:31,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-02-22 01:25:31,112 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:25:31,114 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-22 01:25:31,114 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-22 01:25:31,114 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:25:31,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:25:31,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1987805967, now seen corresponding path program 1 times [2021-02-22 01:25:31,116 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:25:31,116 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329031170] [2021-02-22 01:25:31,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:25:31,218 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:55) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 01:25:31,221 INFO L168 Benchmark]: Toolchain (without parser) took 159071.47 ms. Allocated memory was 180.4 MB in the beginning and 1.1 GB in the end (delta: 957.3 MB). Free memory was 154.8 MB in the beginning and 999.3 MB in the end (delta: -844.5 MB). Peak memory consumption was 114.4 MB. Max. memory is 8.0 GB. [2021-02-22 01:25:31,221 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 180.4 MB. Free memory was 153.4 MB in the beginning and 153.3 MB in the end (delta: 101.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:25:31,221 INFO L168 Benchmark]: CACSL2BoogieTranslator took 776.62 ms. Allocated memory is still 180.4 MB. Free memory was 153.7 MB in the beginning and 132.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-22 01:25:31,221 INFO L168 Benchmark]: Boogie Preprocessor took 97.11 ms. Allocated memory is still 180.4 MB. Free memory was 132.2 MB in the beginning and 128.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:25:31,222 INFO L168 Benchmark]: RCFGBuilder took 1318.11 ms. Allocated memory was 180.4 MB in the beginning and 217.1 MB in the end (delta: 36.7 MB). Free memory was 128.3 MB in the beginning and 145.3 MB in the end (delta: -17.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:25:31,222 INFO L168 Benchmark]: TraceAbstraction took 156856.52 ms. Allocated memory was 217.1 MB in the beginning and 1.1 GB in the end (delta: 920.6 MB). Free memory was 144.8 MB in the beginning and 999.3 MB in the end (delta: -854.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:25:31,223 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 180.4 MB. Free memory was 153.4 MB in the beginning and 153.3 MB in the end (delta: 101.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 776.62 ms. Allocated memory is still 180.4 MB. Free memory was 153.7 MB in the beginning and 132.2 MB in the end (delta: 21.5 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 97.11 ms. Allocated memory is still 180.4 MB. Free memory was 132.2 MB in the beginning and 128.3 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1318.11 ms. Allocated memory was 180.4 MB in the beginning and 217.1 MB in the end (delta: 36.7 MB). Free memory was 128.3 MB in the beginning and 145.3 MB in the end (delta: -17.0 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 156856.52 ms. Allocated memory was 217.1 MB in the beginning and 1.1 GB in the end (delta: 920.6 MB). Free memory was 144.8 MB in the beginning and 999.3 MB in the end (delta: -854.5 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:55) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...