/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_product64.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-b7b32d2 [2021-02-22 01:28:06,309 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-22 01:28:06,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-22 01:28:06,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-22 01:28:06,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-22 01:28:06,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-22 01:28:06,383 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-22 01:28:06,391 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-22 01:28:06,394 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-22 01:28:06,401 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-22 01:28:06,402 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-22 01:28:06,404 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-22 01:28:06,405 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-22 01:28:06,408 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-22 01:28:06,411 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-22 01:28:06,413 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-22 01:28:06,416 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-22 01:28:06,433 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-22 01:28:06,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-22 01:28:06,449 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-22 01:28:06,452 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-22 01:28:06,454 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-22 01:28:06,455 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-22 01:28:06,458 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-22 01:28:06,466 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-22 01:28:06,467 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-22 01:28:06,467 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-22 01:28:06,469 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-22 01:28:06,470 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-22 01:28:06,471 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-22 01:28:06,471 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-22 01:28:06,474 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-22 01:28:06,477 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-22 01:28:06,477 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-22 01:28:06,478 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-22 01:28:06,479 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-22 01:28:06,479 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-22 01:28:06,480 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-22 01:28:06,480 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-22 01:28:06,481 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-22 01:28:06,482 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-22 01:28:06,487 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 01:28:06,510 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-22 01:28:06,511 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-22 01:28:06,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-22 01:28:06,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-22 01:28:06,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-22 01:28:06,517 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-22 01:28:06,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-22 01:28:06,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-22 01:28:06,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-22 01:28:06,518 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-22 01:28:06,519 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-22 01:28:06,519 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-22 01:28:06,519 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-22 01:28:06,520 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-22 01:28:06,520 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-22 01:28:06,520 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-22 01:28:06,521 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-22 01:28:06,521 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-22 01:28:06,521 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-22 01:28:06,521 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-22 01:28:06,522 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-22 01:28:06,522 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-22 01:28:06,522 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-22 01:28:06,522 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-22 01:28:06,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-22 01:28:07,018 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-22 01:28:07,021 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-22 01:28:07,023 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-22 01:28:07,024 INFO L275 PluginConnector]: CDTParser initialized [2021-02-22 01:28:07,025 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2021-02-22 01:28:07,114 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbd10183/aecb305b5d364537acd4d401956e0a05/FLAGf36b71d5f [2021-02-22 01:28:07,784 INFO L306 CDTParser]: Found 1 translation units. [2021-02-22 01:28:07,784 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product64.cil.c [2021-02-22 01:28:07,807 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbd10183/aecb305b5d364537acd4d401956e0a05/FLAGf36b71d5f [2021-02-22 01:28:08,101 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dbd10183/aecb305b5d364537acd4d401956e0a05 [2021-02-22 01:28:08,107 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-22 01:28:08,118 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-22 01:28:08,121 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-22 01:28:08,121 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-22 01:28:08,130 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-22 01:28:08,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:28:08" (1/1) ... [2021-02-22 01:28:08,132 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f9af913 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08, skipping insertion in model container [2021-02-22 01:28:08,133 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.02 01:28:08" (1/1) ... [2021-02-22 01:28:08,141 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-22 01:28:08,188 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-22 01:28:08,485 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_product64.cil.c[9302,9315] [2021-02-22 01:28:08,587 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:28:08,599 INFO L203 MainTranslator]: Completed pre-run [2021-02-22 01:28:08,646 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_product64.cil.c[9302,9315] [2021-02-22 01:28:08,682 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-22 01:28:08,750 INFO L208 MainTranslator]: Completed translation [2021-02-22 01:28:08,750 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08 WrapperNode [2021-02-22 01:28:08,750 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-22 01:28:08,752 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-22 01:28:08,752 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-22 01:28:08,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-22 01:28:08,772 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08" (1/1) ... [2021-02-22 01:28:08,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08" (1/1) ... [2021-02-22 01:28:08,821 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08" (1/1) ... [2021-02-22 01:28:08,821 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08" (1/1) ... [2021-02-22 01:28:08,906 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08" (1/1) ... [2021-02-22 01:28:08,925 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08" (1/1) ... [2021-02-22 01:28:08,952 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08" (1/1) ... [2021-02-22 01:28:08,968 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-22 01:28:08,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-22 01:28:08,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-22 01:28:08,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-22 01:28:08,973 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08" (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 01:28:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-22 01:28:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-22 01:28:09,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-22 01:28:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-22 01:28:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-22 01:28:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-22 01:28:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-22 01:28:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-22 01:28:09,075 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-22 01:28:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-22 01:28:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 01:28:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-22 01:28:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-22 01:28:09,076 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-22 01:28:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-22 01:28:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-22 01:28:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-22 01:28:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-22 01:28:09,077 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-22 01:28:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-22 01:28:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-22 01:28:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-22 01:28:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-22 01:28:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-22 01:28:09,078 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-22 01:28:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-22 01:28:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-22 01:28:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-22 01:28:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-22 01:28:09,079 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-22 01:28:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-22 01:28:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-22 01:28:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-22 01:28:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-22 01:28:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-22 01:28:09,080 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-22 01:28:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-22 01:28:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-22 01:28:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-22 01:28:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-22 01:28:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-22 01:28:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-22 01:28:09,081 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-22 01:28:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-22 01:28:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-22 01:28:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-22 01:28:09,082 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-22 01:28:09,082 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-22 01:28:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-22 01:28:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-22 01:28:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-22 01:28:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-22 01:28:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-22 01:28:09,083 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-22 01:28:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-22 01:28:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-22 01:28:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-22 01:28:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-22 01:28:09,084 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-22 01:28:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-22 01:28:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-22 01:28:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-22 01:28:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-22 01:28:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-22 01:28:09,085 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-22 01:28:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-22 01:28:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-22 01:28:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-22 01:28:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-22 01:28:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-22 01:28:09,086 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-22 01:28:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-22 01:28:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-22 01:28:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-22 01:28:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-22 01:28:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-22 01:28:09,087 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-22 01:28:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-22 01:28:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-22 01:28:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-22 01:28:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-22 01:28:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-22 01:28:09,088 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-22 01:28:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-22 01:28:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-22 01:28:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-22 01:28:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-22 01:28:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-22 01:28:09,089 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-22 01:28:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-22 01:28:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-22 01:28:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-22 01:28:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-22 01:28:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-22 01:28:09,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-22 01:28:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-22 01:28:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-22 01:28:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-22 01:28:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-22 01:28:09,091 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-22 01:28:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-22 01:28:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-22 01:28:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-22 01:28:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-22 01:28:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-22 01:28:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-22 01:28:09,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-22 01:28:09,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-22 01:28:10,881 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-22 01:28:10,881 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-22 01:28:10,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:28:10 BoogieIcfgContainer [2021-02-22 01:28:10,885 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-22 01:28:10,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-22 01:28:10,887 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-22 01:28:10,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-22 01:28:10,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.02 01:28:08" (1/3) ... [2021-02-22 01:28:10,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477ba73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:28:10, skipping insertion in model container [2021-02-22 01:28:10,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.02 01:28:08" (2/3) ... [2021-02-22 01:28:10,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@477ba73a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.02 01:28:10, skipping insertion in model container [2021-02-22 01:28:10,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.02 01:28:10" (3/3) ... [2021-02-22 01:28:10,894 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product64.cil.c [2021-02-22 01:28:10,901 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-22 01:28:10,906 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-22 01:28:10,925 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-22 01:28:10,950 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-22 01:28:10,950 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-22 01:28:10,950 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-22 01:28:10,950 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-22 01:28:10,951 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-22 01:28:10,951 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-22 01:28:10,951 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-22 01:28:10,951 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-22 01:28:10,977 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states. [2021-02-22 01:28:10,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-22 01:28:11,000 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:28:11,001 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 01:28:11,001 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:28:11,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:28:11,008 INFO L82 PathProgramCache]: Analyzing trace with hash 855766845, now seen corresponding path program 1 times [2021-02-22 01:28:11,018 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:28:11,018 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [384673878] [2021-02-22 01:28:11,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:28:11,103 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:28:11,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:11,477 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:11,479 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:11,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:11,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,124 WARN L202 SmtUtils]: Spent 625.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:28:12,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:12,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:28:12,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:28:12,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:28:12,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:28:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:28:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-22 01:28:12,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,346 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,347 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,350 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,351 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-22 01:28:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-22 01:28:12,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:12,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:12,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:12,400 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 01:28:12,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [384673878] [2021-02-22 01:28:12,404 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:28:12,404 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-22 01:28:12,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1959543338] [2021-02-22 01:28:12,410 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-22 01:28:12,410 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:28:12,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-22 01:28:12,425 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:28:12,427 INFO L87 Difference]: Start difference. First operand 375 states. Second operand 4 states. [2021-02-22 01:28:15,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:28:15,510 INFO L93 Difference]: Finished difference Result 610 states and 717 transitions. [2021-02-22 01:28:15,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-22 01:28:15,513 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-22 01:28:15,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:28:15,534 INFO L225 Difference]: With dead ends: 610 [2021-02-22 01:28:15,535 INFO L226 Difference]: Without dead ends: 376 [2021-02-22 01:28:15,541 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-22 01:28:15,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2021-02-22 01:28:15,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 323. [2021-02-22 01:28:15,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2021-02-22 01:28:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 355 transitions. [2021-02-22 01:28:15,763 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 355 transitions. Word has length 165 [2021-02-22 01:28:15,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:28:15,764 INFO L480 AbstractCegarLoop]: Abstraction has 323 states and 355 transitions. [2021-02-22 01:28:15,764 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-22 01:28:15,764 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 355 transitions. [2021-02-22 01:28:15,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-22 01:28:15,769 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:28:15,769 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 01:28:15,770 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-22 01:28:15,770 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:28:15,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:28:15,771 INFO L82 PathProgramCache]: Analyzing trace with hash 2061395449, now seen corresponding path program 1 times [2021-02-22 01:28:15,771 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:28:15,771 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1178284059] [2021-02-22 01:28:15,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:28:15,775 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:28:15,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:15,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:15,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:15,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:15,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:15,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:15,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,659 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:28:16,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:16,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:28:16,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:28:16,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,714 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:28:16,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:28:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:28:16,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:28:16,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,749 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,750 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-22 01:28:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:28:16,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:16,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:16,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:16,821 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 01:28:16,822 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1178284059] [2021-02-22 01:28:16,823 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:28:16,823 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-22 01:28:16,824 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [369333822] [2021-02-22 01:28:16,826 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-22 01:28:16,826 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:28:16,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-22 01:28:16,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-22 01:28:16,828 INFO L87 Difference]: Start difference. First operand 323 states and 355 transitions. Second operand 5 states. [2021-02-22 01:28:18,356 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:28:21,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:28:21,210 INFO L93 Difference]: Finished difference Result 528 states and 600 transitions. [2021-02-22 01:28:21,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-22 01:28:21,212 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-22 01:28:21,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:28:21,219 INFO L225 Difference]: With dead ends: 528 [2021-02-22 01:28:21,219 INFO L226 Difference]: Without dead ends: 365 [2021-02-22 01:28:21,222 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-22 01:28:21,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 365 states. [2021-02-22 01:28:21,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 365 to 313. [2021-02-22 01:28:21,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 313 states. [2021-02-22 01:28:21,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 342 transitions. [2021-02-22 01:28:21,360 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 342 transitions. Word has length 166 [2021-02-22 01:28:21,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:28:21,361 INFO L480 AbstractCegarLoop]: Abstraction has 313 states and 342 transitions. [2021-02-22 01:28:21,361 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-22 01:28:21,362 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 342 transitions. [2021-02-22 01:28:21,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-22 01:28:21,364 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:28:21,365 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 01:28:21,365 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-22 01:28:21,365 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:28:21,366 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:28:21,366 INFO L82 PathProgramCache]: Analyzing trace with hash -1859213691, now seen corresponding path program 1 times [2021-02-22 01:28:21,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:28:21,367 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [942746787] [2021-02-22 01:28:21,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:28:21,371 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:28:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:21,516 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:21,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:21,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:21,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:21,524 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:21,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:21,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:21,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:21,533 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:21,534 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:28:21,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:21,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,363 WARN L202 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:28:22,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:22,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:28:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:28:22,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:28:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:28:22,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:28:22,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:28:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,514 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,515 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:28:22,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,547 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:28:22,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,576 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:22,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:28:22,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:22,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-22 01:28:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,617 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,618 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-22 01:28:22,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:22,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:22,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:22,695 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 01:28:22,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [942746787] [2021-02-22 01:28:22,696 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:28:22,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:28:22,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1398570574] [2021-02-22 01:28:22,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:28:22,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:28:22,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:28:22,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:28:22,699 INFO L87 Difference]: Start difference. First operand 313 states and 342 transitions. Second operand 11 states. [2021-02-22 01:28:23,769 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:28:24,724 WARN L202 SmtUtils]: Spent 768.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:28:25,610 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:28:26,500 WARN L202 SmtUtils]: Spent 810.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:28:27,344 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:28:28,173 WARN L202 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:28:30,462 WARN L202 SmtUtils]: Spent 634.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:28:35,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:28:35,820 INFO L93 Difference]: Finished difference Result 874 states and 1019 transitions. [2021-02-22 01:28:35,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-22 01:28:35,822 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-22 01:28:35,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:28:35,828 INFO L225 Difference]: With dead ends: 874 [2021-02-22 01:28:35,828 INFO L226 Difference]: Without dead ends: 681 [2021-02-22 01:28:35,830 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-22 01:28:35,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2021-02-22 01:28:36,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 574. [2021-02-22 01:28:36,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 574 states. [2021-02-22 01:28:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 574 states and 648 transitions. [2021-02-22 01:28:36,090 INFO L78 Accepts]: Start accepts. Automaton has 574 states and 648 transitions. Word has length 179 [2021-02-22 01:28:36,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:28:36,092 INFO L480 AbstractCegarLoop]: Abstraction has 574 states and 648 transitions. [2021-02-22 01:28:36,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:28:36,092 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 648 transitions. [2021-02-22 01:28:36,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-22 01:28:36,096 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:28:36,097 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] [2021-02-22 01:28:36,097 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-22 01:28:36,097 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:28:36,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:28:36,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1930863980, now seen corresponding path program 1 times [2021-02-22 01:28:36,098 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:28:36,098 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681432068] [2021-02-22 01:28:36,098 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:28:36,101 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:28:36,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:36,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:36,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,191 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:36,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,192 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:36,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:36,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:36,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:36,197 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:36,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:36,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,216 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:36,906 WARN L202 SmtUtils]: Spent 670.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:28:36,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:36,958 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,959 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:36,960 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,961 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:36,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:28:36,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:36,969 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,970 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:36,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:28:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:36,974 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,974 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:36,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:28:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:36,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:36,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:28:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:36,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:36,982 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:36,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:28:36,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:37,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:37,002 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:37,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-22 01:28:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:37,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:37,040 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:37,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-22 01:28:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:37,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:37,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:37,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:37,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:37,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:37,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-22 01:28:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:37,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:37,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:37,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-22 01:28:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:37,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:37,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:37,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:37,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:37,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:37,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:37,180 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 01:28:37,181 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681432068] [2021-02-22 01:28:37,181 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:28:37,181 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-22 01:28:37,182 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [537305822] [2021-02-22 01:28:37,182 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-22 01:28:37,182 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:28:37,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-22 01:28:37,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-22 01:28:37,186 INFO L87 Difference]: Start difference. First operand 574 states and 648 transitions. Second operand 10 states. [2021-02-22 01:28:38,339 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:28:40,363 WARN L202 SmtUtils]: Spent 788.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:28:41,266 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:28:44,087 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:28:44,957 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:28:45,791 WARN L202 SmtUtils]: Spent 795.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:28:46,835 WARN L202 SmtUtils]: Spent 781.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:28:47,655 WARN L202 SmtUtils]: Spent 791.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:28:48,552 WARN L202 SmtUtils]: Spent 754.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:28:51,185 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:28:51,185 INFO L93 Difference]: Finished difference Result 1339 states and 1600 transitions. [2021-02-22 01:28:51,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-22 01:28:51,188 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-22 01:28:51,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:28:51,194 INFO L225 Difference]: With dead ends: 1339 [2021-02-22 01:28:51,194 INFO L226 Difference]: Without dead ends: 885 [2021-02-22 01:28:51,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 8.0s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-22 01:28:51,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2021-02-22 01:28:51,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 792. [2021-02-22 01:28:51,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 792 states. [2021-02-22 01:28:51,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 890 transitions. [2021-02-22 01:28:51,578 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 890 transitions. Word has length 184 [2021-02-22 01:28:51,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:28:51,579 INFO L480 AbstractCegarLoop]: Abstraction has 792 states and 890 transitions. [2021-02-22 01:28:51,579 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-22 01:28:51,579 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 890 transitions. [2021-02-22 01:28:51,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-02-22 01:28:51,584 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:28:51,584 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:28:51,585 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-22 01:28:51,585 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:28:51,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:28:51,586 INFO L82 PathProgramCache]: Analyzing trace with hash 180752817, now seen corresponding path program 1 times [2021-02-22 01:28:51,586 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:28:51,586 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1099641386] [2021-02-22 01:28:51,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:28:51,590 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:28:51,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:51,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:51,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:51,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:51,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,267 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:28:52,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:52,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,317 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:28:52,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:28:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:28:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,335 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:28:52,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:28:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,352 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,352 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:28:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,368 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:28:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,371 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,372 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:28:52,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:28:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,402 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:28:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:28:52,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,426 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,427 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:52,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:28:52,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:28:52,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,470 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,472 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,473 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:28:52,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:28:52,521 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,522 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:28:52,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:28:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:28:52,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,578 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:28:52,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:28:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-22 01:28:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,591 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-22 01:28:52,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,603 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,604 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-22 01:28:52,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:28:52,607 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:28:52,608 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:28:52,671 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 01:28:52,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1099641386] [2021-02-22 01:28:52,672 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:28:52,672 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-22 01:28:52,672 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254473982] [2021-02-22 01:28:52,673 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-22 01:28:52,673 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:28:52,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-22 01:28:52,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-22 01:28:52,674 INFO L87 Difference]: Start difference. First operand 792 states and 890 transitions. Second operand 11 states. [2021-02-22 01:28:55,898 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:28:56,760 WARN L202 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:28:57,690 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:28:58,535 WARN L202 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:28:59,406 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:29:00,223 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:29:03,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:29:03,921 INFO L93 Difference]: Finished difference Result 1676 states and 2021 transitions. [2021-02-22 01:29:03,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-22 01:29:03,927 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 244 [2021-02-22 01:29:03,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:29:03,935 INFO L225 Difference]: With dead ends: 1676 [2021-02-22 01:29:03,936 INFO L226 Difference]: Without dead ends: 1004 [2021-02-22 01:29:03,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 5.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-22 01:29:03,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1004 states. [2021-02-22 01:29:04,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1004 to 811. [2021-02-22 01:29:04,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2021-02-22 01:29:04,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 910 transitions. [2021-02-22 01:29:04,244 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 910 transitions. Word has length 244 [2021-02-22 01:29:04,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:29:04,245 INFO L480 AbstractCegarLoop]: Abstraction has 811 states and 910 transitions. [2021-02-22 01:29:04,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-22 01:29:04,245 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 910 transitions. [2021-02-22 01:29:04,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-02-22 01:29:04,249 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:29:04,249 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:29:04,250 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-22 01:29:04,250 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:29:04,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:29:04,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1934916113, now seen corresponding path program 1 times [2021-02-22 01:29:04,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:29:04,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407681023] [2021-02-22 01:29:04,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:29:04,254 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:29:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:04,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:04,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:04,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:04,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:04,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:04,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:04,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:04,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:04,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:04,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:04,981 WARN L202 SmtUtils]: Spent 630.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:29:04,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:29:04,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:29:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,025 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,026 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:29:05,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:29:05,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,039 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,041 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:29:05,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:29:05,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:29:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:29:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:29:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:29:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:29:05,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:29:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,198 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:29:05,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:29:05,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,223 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:29:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:05,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:05,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:29:05,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:05,324 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:05,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:29:05,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,356 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,357 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:29:05,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:29:05,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,369 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,369 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-22 01:29:05,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,374 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-22 01:29:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,384 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-22 01:29:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:05,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:05,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:05,463 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 01:29:05,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407681023] [2021-02-22 01:29:05,464 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:29:05,464 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-22 01:29:05,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355844815] [2021-02-22 01:29:05,465 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-22 01:29:05,465 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:29:05,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-22 01:29:05,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-22 01:29:05,466 INFO L87 Difference]: Start difference. First operand 811 states and 910 transitions. Second operand 14 states. [2021-02-22 01:29:06,928 WARN L202 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:29:07,801 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:29:08,633 WARN L202 SmtUtils]: Spent 751.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:29:09,483 WARN L202 SmtUtils]: Spent 798.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:29:10,275 WARN L202 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:29:12,918 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:29:13,759 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:29:14,706 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:29:15,616 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:29:16,443 WARN L202 SmtUtils]: Spent 758.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:29:19,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:29:19,785 INFO L93 Difference]: Finished difference Result 1713 states and 2059 transitions. [2021-02-22 01:29:19,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-22 01:29:19,786 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 244 [2021-02-22 01:29:19,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:29:19,796 INFO L225 Difference]: With dead ends: 1713 [2021-02-22 01:29:19,796 INFO L226 Difference]: Without dead ends: 1022 [2021-02-22 01:29:19,800 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-22 01:29:19,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1022 states. [2021-02-22 01:29:20,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1022 to 823. [2021-02-22 01:29:20,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2021-02-22 01:29:20,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 922 transitions. [2021-02-22 01:29:20,152 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 922 transitions. Word has length 244 [2021-02-22 01:29:20,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:29:20,153 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 922 transitions. [2021-02-22 01:29:20,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-22 01:29:20,153 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 922 transitions. [2021-02-22 01:29:20,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-02-22 01:29:20,159 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:29:20,159 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:29:20,159 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-22 01:29:20,159 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:29:20,160 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:29:20,160 INFO L82 PathProgramCache]: Analyzing trace with hash 603418062, now seen corresponding path program 1 times [2021-02-22 01:29:20,160 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:29:20,160 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [140004859] [2021-02-22 01:29:20,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:29:20,163 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:29:20,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:20,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:20,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:20,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:20,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:20,237 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:20,238 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:20,239 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:20,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:20,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:20,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:29:20,243 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-22 01:29:20,243 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-22 01:29:20,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:20,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,012 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:29:21,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:29:21,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,057 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:29:21,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:29:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:29:21,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:29:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,074 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:29:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:29:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-22 01:29:21,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:29:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:29:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-22 01:29:21,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:21,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:29:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,164 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,165 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:29:21,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:29:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,187 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:29:21,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:29:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,208 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,209 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:29:21,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:29:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,226 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:29:21,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:29:21,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:29:21,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:29:21,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-22 01:29:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-22 01:29:21,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,266 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,267 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-22 01:29:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:21,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:21,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:21,338 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 01:29:21,338 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [140004859] [2021-02-22 01:29:21,338 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:29:21,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-22 01:29:21,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570445312] [2021-02-22 01:29:21,339 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-22 01:29:21,339 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:29:21,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-22 01:29:21,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-22 01:29:21,340 INFO L87 Difference]: Start difference. First operand 823 states and 922 transitions. Second operand 8 states. [2021-02-22 01:29:22,605 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:29:24,172 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:29:32,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:29:32,279 INFO L93 Difference]: Finished difference Result 2502 states and 3043 transitions. [2021-02-22 01:29:32,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2021-02-22 01:29:32,280 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 244 [2021-02-22 01:29:32,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:29:32,292 INFO L225 Difference]: With dead ends: 2502 [2021-02-22 01:29:32,292 INFO L226 Difference]: Without dead ends: 1799 [2021-02-22 01:29:32,296 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 53 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=156, Invalid=444, Unknown=0, NotChecked=0, Total=600 [2021-02-22 01:29:32,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2021-02-22 01:29:32,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1531. [2021-02-22 01:29:32,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2021-02-22 01:29:32,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1745 transitions. [2021-02-22 01:29:32,931 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1745 transitions. Word has length 244 [2021-02-22 01:29:32,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:29:32,932 INFO L480 AbstractCegarLoop]: Abstraction has 1531 states and 1745 transitions. [2021-02-22 01:29:32,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-22 01:29:32,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1745 transitions. [2021-02-22 01:29:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2021-02-22 01:29:32,937 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:29:32,938 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:29:32,938 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-22 01:29:32,938 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:29:32,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:29:32,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1305022078, now seen corresponding path program 1 times [2021-02-22 01:29:32,939 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:29:32,939 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1742122524] [2021-02-22 01:29:32,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:29:32,942 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-22 01:29:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:33,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,053 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:33,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:33,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:33,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,062 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:33,066 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-22 01:29:33,067 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-22 01:29:33,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:33,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:33,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:33,116 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,117 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:33,860 WARN L202 SmtUtils]: Spent 718.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:29:33,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:29:33,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:33,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:33,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,906 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-22 01:29:33,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:29:33,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:33,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:33,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:29:33,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:33,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:33,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:29:33,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:33,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:33,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:29:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:33,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,929 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:33,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:29:33,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:33,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:33,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-22 01:29:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:33,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:33,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:29:34,013 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-22 01:29:34,014 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-22 01:29:34,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-22 01:29:34,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,073 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-22 01:29:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,078 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,078 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:29:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,082 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-22 01:29:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,122 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,123 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:29:34,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:29:34,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:29:34,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,148 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:29:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-22 01:29:34,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,166 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,167 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:29:34,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,173 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,174 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:29:34,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-22 01:29:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,188 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,189 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-22 01:29:34,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:34,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:29:34,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-02-22 01:29:34,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:29:34,254 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:29:34,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:29:34,300 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 01:29:34,300 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1742122524] [2021-02-22 01:29:34,300 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:29:34,300 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-22 01:29:34,301 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610014859] [2021-02-22 01:29:34,301 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-22 01:29:34,301 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:29:34,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-22 01:29:34,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-22 01:29:34,302 INFO L87 Difference]: Start difference. First operand 1531 states and 1745 transitions. Second operand 15 states. [2021-02-22 01:29:36,419 WARN L202 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-22 01:29:38,420 WARN L202 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:29:41,534 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-22 01:29:43,240 WARN L202 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-22 01:29:44,322 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:29:45,218 WARN L202 SmtUtils]: Spent 828.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:29:46,829 WARN L202 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-22 01:29:47,760 WARN L202 SmtUtils]: Spent 787.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:29:48,788 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:29:49,739 WARN L202 SmtUtils]: Spent 793.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:29:57,796 WARN L202 SmtUtils]: Spent 1.51 s on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-22 01:29:59,202 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:30:00,042 WARN L202 SmtUtils]: Spent 790.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:30:01,223 WARN L202 SmtUtils]: Spent 770.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:30:04,855 WARN L202 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-22 01:30:06,513 WARN L202 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-22 01:30:08,178 WARN L202 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-22 01:30:10,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:30:10,368 INFO L93 Difference]: Finished difference Result 4722 states and 5775 transitions. [2021-02-22 01:30:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-22 01:30:10,369 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 249 [2021-02-22 01:30:10,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:30:10,392 INFO L225 Difference]: With dead ends: 4722 [2021-02-22 01:30:10,392 INFO L226 Difference]: Without dead ends: 3602 [2021-02-22 01:30:10,400 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1249 ImplicationChecksByTransitivity, 22.5s TimeCoverageRelationStatistics Valid=816, Invalid=3216, Unknown=0, NotChecked=0, Total=4032 [2021-02-22 01:30:10,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3602 states. [2021-02-22 01:30:11,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3602 to 2886. [2021-02-22 01:30:11,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2886 states. [2021-02-22 01:30:11,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2886 states to 2886 states and 3266 transitions. [2021-02-22 01:30:11,803 INFO L78 Accepts]: Start accepts. Automaton has 2886 states and 3266 transitions. Word has length 249 [2021-02-22 01:30:11,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:30:11,804 INFO L480 AbstractCegarLoop]: Abstraction has 2886 states and 3266 transitions. [2021-02-22 01:30:11,804 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-22 01:30:11,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2886 states and 3266 transitions. [2021-02-22 01:30:11,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2021-02-22 01:30:11,810 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:30:11,810 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-22 01:30:11,811 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-22 01:30:11,811 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:30:11,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:30:11,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1403261074, now seen corresponding path program 1 times [2021-02-22 01:30:11,811 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:30:11,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [288052679] [2021-02-22 01:30:11,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:30:11,927 WARN L141 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size [2021-02-22 01:30:11,949 WARN L147 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size 78 [2021-02-22 01:30:11,958 WARN L141 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size [2021-02-22 01:30:11,964 WARN L147 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size 78 [2021-02-22 01:30:12,042 WARN L141 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size [2021-02-22 01:30:12,052 WARN L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-02-22 01:30:12,067 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:30:12,071 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:30:12,076 WARN L141 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size [2021-02-22 01:30:12,088 WARN L147 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size 78 [2021-02-22 01:30:12,091 WARN L141 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size [2021-02-22 01:30:12,102 WARN L147 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size 78 [2021-02-22 01:30:12,186 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-02-22 01:30:12,191 INFO L723 QuantifierPusher]: Distributing 9 disjuncts over 3 conjuncts [2021-02-22 01:30:12,199 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:12,199 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:12,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:12,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-02-22 01:30:12,212 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size 38 [2021-02-22 01:30:12,219 WARN L141 QuantifierPusher]: treesize reduction 17, result has 87.3 percent of original size [2021-02-22 01:30:12,224 WARN L147 QuantifierPusher]: treesize reduction 17, result has 87.3 percent of original size 117 [2021-02-22 01:30:12,226 WARN L141 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size [2021-02-22 01:30:12,227 WARN L147 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size 1 [2021-02-22 01:30:12,229 WARN L141 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size [2021-02-22 01:30:12,230 WARN L147 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size 1 [2021-02-22 01:30:12,233 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:30:12,235 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:30:12,237 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:30:12,240 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:30:12,242 WARN L141 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size [2021-02-22 01:30:12,242 WARN L147 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size 1 [2021-02-22 01:30:12,244 WARN L141 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size [2021-02-22 01:30:12,245 WARN L147 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size 1 [2021-02-22 01:30:12,248 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:30:12,250 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:30:12,253 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:30:12,256 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:30:12,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size [2021-02-22 01:30:12,264 WARN L147 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size 78 [2021-02-22 01:30:12,267 WARN L141 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size [2021-02-22 01:30:12,273 WARN L147 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size 78 [2021-02-22 01:30:12,355 WARN L141 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size [2021-02-22 01:30:12,356 WARN L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-02-22 01:30:12,359 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:30:12,361 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:30:12,363 WARN L141 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size [2021-02-22 01:30:12,363 WARN L147 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size 1 [2021-02-22 01:30:12,366 WARN L141 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size [2021-02-22 01:30:12,366 WARN L147 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size 1 [2021-02-22 01:30:12,370 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:30:12,371 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:30:12,374 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:30:12,376 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:30:12,378 WARN L141 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size [2021-02-22 01:30:12,378 WARN L147 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size 1 [2021-02-22 01:30:12,381 WARN L141 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size [2021-02-22 01:30:12,381 WARN L147 QuantifierPusher]: treesize reduction 86, result has 1.1 percent of original size 1 [2021-02-22 01:30:12,385 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-22 01:30:12,386 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-22 01:30:12,389 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:30:12,391 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:30:12,393 WARN L141 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size [2021-02-22 01:30:12,399 WARN L147 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size 78 [2021-02-22 01:30:12,402 WARN L141 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size [2021-02-22 01:30:12,406 WARN L147 QuantifierPusher]: treesize reduction 9, result has 89.7 percent of original size 78 [2021-02-22 01:30:12,489 WARN L141 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size [2021-02-22 01:30:12,491 WARN L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-02-22 01:30:12,493 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-22 01:30:12,496 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-22 01:30:12,496 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-22 01:30:12,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:12,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:12,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:12,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:12,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:30:12,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:12,591 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-22 01:30:12,598 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:12,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,334 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-22 01:30:13,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:30:13,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-22 01:30:13,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-22 01:30:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,375 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-22 01:30:13,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-22 01:30:13,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,380 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,381 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-22 01:30:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-22 01:30:13,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-22 01:30:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:30:13,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:30:13,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-22 01:30:13,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:30:13,458 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:30:13,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-22 01:30:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-22 01:30:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:30:13,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,542 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-22 01:30:13,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-22 01:30:13,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:30:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,552 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-22 01:30:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-22 01:30:13,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-22 01:30:13,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,562 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 235 [2021-02-22 01:30:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,569 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2021-02-22 01:30:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-22 01:30:13,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,633 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 01:30:13,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,638 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:13,639 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,640 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:13,641 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:30:13,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,648 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:13,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-02-22 01:30:13,652 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-02-22 01:30:13,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,654 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:13,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:13,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:30:13,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,660 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:13,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:13,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:30:13,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,665 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:13,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,666 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:13,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:30:13,668 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,669 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:13,670 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,671 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:13,672 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-22 01:30:13,674 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,675 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:13,676 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:30:13,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:30:13,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:30:13,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:30:13,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,813 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:30:13,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,862 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:13,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:13,865 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:13,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:30:13,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:30:13,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:30:13,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:13,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:13,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:30:14,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:14,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,037 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:14,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,038 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-22 01:30:14,040 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:14,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:14,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:30:14,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-22 01:30:14,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,144 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:30:14,192 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,196 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-22 01:30:14,248 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-22 01:30:14,248 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-22 01:30:14,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-22 01:30:14,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,341 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:30:14,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,414 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:14,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:14,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,565 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:14,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:14,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:30:14,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:14,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:14,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:14,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,752 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:30:14,753 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:14,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:30:14,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,844 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:30:14,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:14,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-22 01:30:14,981 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:14,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:14,983 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,984 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:14,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-22 01:30:14,986 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:14,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-22 01:30:15,053 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,133 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-22 01:30:15,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,206 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:30:15,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:30:15,391 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,393 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:15,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,482 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-22 01:30:15,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,484 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:15,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-22 01:30:15,595 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-22 01:30:15,597 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-22 01:30:15,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:30:15,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,695 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,700 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,702 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:30:15,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,762 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:30:15,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,853 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,854 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,857 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,858 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-22 01:30:15,859 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-22 01:30:15,861 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-22 01:30:15,959 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:15,960 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:16,065 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,066 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:16,179 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:16,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:30:16,339 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-22 01:30:16,340 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-22 01:30:16,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:16,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:30:16,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:16,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:16,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:30:16,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:30:16,962 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,963 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-22 01:30:16,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:16,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-22 01:30:17,082 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-22 01:30:17,083 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-22 01:30:17,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:17,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:30:17,316 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-22 01:30:17,317 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-22 01:30:17,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:30:17,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:17,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:17,437 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:30:17,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,441 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:17,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:17,444 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-22 01:30:17,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:17,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:17,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,453 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:17,587 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:30:17,733 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:30:17,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 01:30:17,870 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:17,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-22 01:30:18,019 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:18,020 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:30:18,181 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:18,182 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 01:30:18,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:18,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:30:18,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:18,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:30:18,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:18,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-22 01:30:18,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:18,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-22 01:30:18,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:18,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:30:18,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:18,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-22 01:30:19,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,111 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:30:19,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 01:30:19,457 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,458 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:19,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:30:19,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:19,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:30:19,719 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,720 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:30:19,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:30:19,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,727 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:30:19,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,730 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,732 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:30:19,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,733 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,734 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,737 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,738 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,740 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,743 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:19,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:19,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:19,874 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:30:20,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,021 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:30:20,023 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 01:30:20,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-22 01:30:20,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:30:20,418 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-22 01:30:20,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-22 01:30:20,697 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,698 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-22 01:30:20,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,702 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-22 01:30:20,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,703 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-22 01:30:20,710 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,716 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-22 01:30:20,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:30:20,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-22 01:30:20,717 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [288052679] [2021-02-22 01:30:20,718 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-22 01:30:20,718 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-02-22 01:30:20,718 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1885029759] [2021-02-22 01:30:20,720 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-22 01:30:20,720 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-22 01:30:20,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-22 01:30:20,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=4819, Unknown=0, NotChecked=0, Total=5256 [2021-02-22 01:30:20,730 INFO L87 Difference]: Start difference. First operand 2886 states and 3266 transitions. Second operand 67 states. [2021-02-22 01:30:22,201 WARN L202 SmtUtils]: Spent 841.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-22 01:30:24,000 WARN L202 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:30:24,983 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:30:25,893 WARN L202 SmtUtils]: Spent 833.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:30:26,774 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:30:27,783 WARN L202 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:30:28,744 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:30:29,724 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:30:30,655 WARN L202 SmtUtils]: Spent 854.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:30:31,598 WARN L202 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:30:32,725 WARN L202 SmtUtils]: Spent 901.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:30:33,782 WARN L202 SmtUtils]: Spent 905.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:30:34,921 WARN L202 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:30:36,101 WARN L202 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:30:37,267 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:30:38,525 WARN L202 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:30:40,344 WARN L202 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:30:41,986 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:30:42,990 WARN L202 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:30:44,042 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:30:44,929 WARN L202 SmtUtils]: Spent 799.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:30:46,003 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:30:46,907 WARN L202 SmtUtils]: Spent 800.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-22 01:30:47,842 WARN L202 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:30:49,584 WARN L202 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:30:50,475 WARN L202 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-22 01:30:52,836 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:30:53,841 WARN L202 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:30:54,771 WARN L202 SmtUtils]: Spent 836.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:30:55,946 WARN L202 SmtUtils]: Spent 888.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:30:57,034 WARN L202 SmtUtils]: Spent 912.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:30:58,376 WARN L202 SmtUtils]: Spent 869.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:30:59,668 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:31:01,039 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:31:02,170 WARN L202 SmtUtils]: Spent 889.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:31:03,335 WARN L202 SmtUtils]: Spent 801.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:31:04,360 WARN L202 SmtUtils]: Spent 906.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:31:05,691 WARN L202 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:31:07,114 WARN L202 SmtUtils]: Spent 951.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:31:08,747 WARN L202 SmtUtils]: Spent 870.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:31:10,549 WARN L202 SmtUtils]: Spent 907.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:31:11,726 WARN L202 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:31:12,847 WARN L202 SmtUtils]: Spent 887.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:31:14,944 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:31:17,173 WARN L202 SmtUtils]: Spent 885.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:31:18,530 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:31:19,534 WARN L202 SmtUtils]: Spent 861.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:31:20,667 WARN L202 SmtUtils]: Spent 934.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:31:21,757 WARN L202 SmtUtils]: Spent 811.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:31:22,863 WARN L202 SmtUtils]: Spent 948.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:31:23,937 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:31:25,024 WARN L202 SmtUtils]: Spent 962.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:31:26,553 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:31:27,599 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:31:28,719 WARN L202 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:31:29,850 WARN L202 SmtUtils]: Spent 956.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:31:30,895 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:31:32,105 WARN L202 SmtUtils]: Spent 953.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:31:33,461 WARN L202 SmtUtils]: Spent 946.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:31:34,674 WARN L202 SmtUtils]: Spent 947.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:31:35,639 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:31:36,753 WARN L202 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:31:37,777 WARN L202 SmtUtils]: Spent 882.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:31:39,459 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:31:43,911 WARN L202 SmtUtils]: Spent 922.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:31:46,772 WARN L202 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:31:50,850 WARN L202 SmtUtils]: Spent 896.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:31:53,246 WARN L202 SmtUtils]: Spent 937.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:31:55,695 WARN L202 SmtUtils]: Spent 898.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:31:57,001 WARN L202 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:31:58,849 WARN L202 SmtUtils]: Spent 908.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:32:00,078 WARN L202 SmtUtils]: Spent 897.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:32:01,230 WARN L202 SmtUtils]: Spent 895.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:32:05,469 WARN L202 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-22 01:32:06,939 WARN L202 SmtUtils]: Spent 928.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:32:10,218 WARN L202 SmtUtils]: Spent 979.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-22 01:32:14,777 WARN L202 SmtUtils]: Spent 991.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-22 01:32:18,351 WARN L202 SmtUtils]: Spent 985.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-22 01:32:21,488 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:32:22,847 WARN L202 SmtUtils]: Spent 876.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:32:25,348 WARN L202 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-22 01:32:26,437 WARN L202 SmtUtils]: Spent 929.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:32:27,732 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:32:30,066 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 222 DAG size of output: 217 [2021-02-22 01:32:32,099 WARN L202 SmtUtils]: Spent 933.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-22 01:32:32,988 WARN L202 SmtUtils]: Spent 807.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-22 01:32:36,470 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:32:37,405 WARN L202 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-22 01:32:39,710 WARN L202 SmtUtils]: Spent 837.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:32:40,650 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:32:41,669 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-22 01:32:43,213 WARN L202 SmtUtils]: Spent 883.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:32:47,511 WARN L202 SmtUtils]: Spent 851.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-22 01:32:48,861 WARN L202 SmtUtils]: Spent 944.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:32:51,034 WARN L202 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-22 01:32:52,430 WARN L202 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:32:57,162 WARN L202 SmtUtils]: Spent 913.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:32:58,414 WARN L202 SmtUtils]: Spent 879.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:33:03,660 WARN L202 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-22 01:33:04,609 WARN L202 SmtUtils]: Spent 823.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-22 01:33:05,641 WARN L202 SmtUtils]: Spent 935.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:33:06,575 WARN L202 SmtUtils]: Spent 847.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:33:07,583 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-22 01:33:08,645 WARN L202 SmtUtils]: Spent 949.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:33:10,219 WARN L202 SmtUtils]: Spent 868.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:33:14,913 WARN L202 SmtUtils]: Spent 992.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-22 01:33:16,291 WARN L202 SmtUtils]: Spent 925.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:33:18,698 WARN L202 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-22 01:33:20,133 WARN L202 SmtUtils]: Spent 917.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-22 01:33:22,657 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2021-02-22 01:33:24,848 WARN L202 SmtUtils]: Spent 987.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-22 01:33:26,148 WARN L202 SmtUtils]: Spent 915.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-22 01:33:29,026 WARN L202 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:33:31,259 WARN L202 SmtUtils]: Spent 843.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:33:32,518 WARN L202 SmtUtils]: Spent 839.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-22 01:33:33,795 WARN L202 SmtUtils]: Spent 904.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-22 01:33:34,916 WARN L202 SmtUtils]: Spent 914.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-22 01:33:36,771 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-22 01:33:45,811 WARN L202 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2021-02-22 01:33:58,790 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2021-02-22 01:34:02,042 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 28 [2021-02-22 01:34:20,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-22 01:34:20,875 INFO L93 Difference]: Finished difference Result 10835 states and 13789 transitions. [2021-02-22 01:34:20,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2021-02-22 01:34:20,876 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 363 [2021-02-22 01:34:20,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-22 01:34:20,931 INFO L225 Difference]: With dead ends: 10835 [2021-02-22 01:34:20,931 INFO L226 Difference]: Without dead ends: 8345 [2021-02-22 01:34:21,025 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 997 GetRequests, 234 SyntacticMatches, 7 SemanticMatches, 756 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 267622 ImplicationChecksByTransitivity, 179.5s TimeCoverageRelationStatistics Valid=23280, Invalid=550526, Unknown=0, NotChecked=0, Total=573806 [2021-02-22 01:34:21,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8345 states. [2021-02-22 01:34:24,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8345 to 5375. [2021-02-22 01:34:24,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5375 states. [2021-02-22 01:34:24,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5375 states to 5375 states and 6016 transitions. [2021-02-22 01:34:24,383 INFO L78 Accepts]: Start accepts. Automaton has 5375 states and 6016 transitions. Word has length 363 [2021-02-22 01:34:24,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-22 01:34:24,384 INFO L480 AbstractCegarLoop]: Abstraction has 5375 states and 6016 transitions. [2021-02-22 01:34:24,384 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-22 01:34:24,384 INFO L276 IsEmpty]: Start isEmpty. Operand 5375 states and 6016 transitions. [2021-02-22 01:34:24,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 565 [2021-02-22 01:34:24,404 INFO L414 BasicCegarLoop]: Found error trace [2021-02-22 01:34:24,405 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-22 01:34:24,405 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-22 01:34:24,405 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-22 01:34:24,406 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-22 01:34:24,406 INFO L82 PathProgramCache]: Analyzing trace with hash -138534084, now seen corresponding path program 1 times [2021-02-22 01:34:24,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-22 01:34:24,406 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1418851003] [2021-02-22 01:34:24,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-22 01:34:24,621 WARN L141 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size [2021-02-22 01:34:24,625 WARN L147 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size 87 [2021-02-22 01:34:24,628 WARN L141 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size [2021-02-22 01:34:24,634 WARN L147 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size 87 [2021-02-22 01:34:24,746 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2021-02-22 01:34:24,749 WARN L141 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size [2021-02-22 01:34:24,751 WARN L147 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size 8 [2021-02-22 01:34:24,755 WARN L141 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size [2021-02-22 01:34:24,758 WARN L147 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size 49 [2021-02-22 01:34:24,760 WARN L141 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size [2021-02-22 01:34:24,765 WARN L147 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size 87 [2021-02-22 01:34:24,768 WARN L141 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size [2021-02-22 01:34:24,772 WARN L147 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size 87 [2021-02-22 01:34:24,893 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2021-02-22 01:34:24,895 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-02-22 01:34:24,897 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size 39 [2021-02-22 01:34:24,902 WARN L141 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size [2021-02-22 01:34:24,904 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:34:24,906 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:34:24,906 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:34:24,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:34:24,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 01:34:24,911 WARN L147 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size 87 [2021-02-22 01:34:24,912 WARN L141 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size [2021-02-22 01:34:24,916 WARN L147 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size 87 [2021-02-22 01:34:24,920 WARN L141 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size [2021-02-22 01:34:24,931 WARN L147 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size 87 [2021-02-22 01:34:25,048 WARN L202 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 27 [2021-02-22 01:34:25,051 WARN L141 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size [2021-02-22 01:34:25,053 WARN L147 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size 8 [2021-02-22 01:34:25,057 WARN L141 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size [2021-02-22 01:34:25,059 WARN L147 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size 49 [2021-02-22 01:34:25,061 WARN L141 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size [2021-02-22 01:34:25,065 WARN L147 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size 87 [2021-02-22 01:34:25,068 WARN L141 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size [2021-02-22 01:34:25,072 WARN L147 QuantifierPusher]: treesize reduction 27, result has 76.3 percent of original size 87 [2021-02-22 01:34:25,183 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 26 [2021-02-22 01:34:25,185 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-02-22 01:34:25,188 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size 39 [2021-02-22 01:34:25,191 WARN L141 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size [2021-02-22 01:34:25,193 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-22 01:34:25,195 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:34:25,196 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-22 01:34:25,196 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-22 01:34:25,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-22 01:34:25,203 WARN L147 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size 87 [2021-02-22 01:34:25,204 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-22 01:34:25,208 INFO L168 Benchmark]: Toolchain (without parser) took 377099.45 ms. Allocated memory was 159.4 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 135.3 MB in the beginning and 442.5 MB in the end (delta: -307.2 MB). Peak memory consumption was 770.5 MB. Max. memory is 8.0 GB. [2021-02-22 01:34:25,208 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 159.4 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-22 01:34:25,209 INFO L168 Benchmark]: CACSL2BoogieTranslator took 629.81 ms. Allocated memory is still 159.4 MB. Free memory was 134.1 MB in the beginning and 110.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:34:25,209 INFO L168 Benchmark]: Boogie Preprocessor took 215.87 ms. Allocated memory is still 159.4 MB. Free memory was 110.5 MB in the beginning and 140.8 MB in the end (delta: -30.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. [2021-02-22 01:34:25,209 INFO L168 Benchmark]: RCFGBuilder took 1912.94 ms. Allocated memory was 159.4 MB in the beginning and 197.1 MB in the end (delta: 37.7 MB). Free memory was 140.8 MB in the beginning and 154.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 92.1 MB. Max. memory is 8.0 GB. [2021-02-22 01:34:25,209 INFO L168 Benchmark]: TraceAbstraction took 374321.11 ms. Allocated memory was 197.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 154.1 MB in the beginning and 442.5 MB in the end (delta: -288.4 MB). Peak memory consumption was 750.2 MB. Max. memory is 8.0 GB. [2021-02-22 01:34:25,210 INFO L339 ainManager$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 159.4 MB. Free memory is still 132.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 629.81 ms. Allocated memory is still 159.4 MB. Free memory was 134.1 MB in the beginning and 110.5 MB in the end (delta: 23.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 215.87 ms. Allocated memory is still 159.4 MB. Free memory was 110.5 MB in the beginning and 140.8 MB in the end (delta: -30.3 MB). Peak memory consumption was 6.8 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1912.94 ms. Allocated memory was 159.4 MB in the beginning and 197.1 MB in the end (delta: 37.7 MB). Free memory was 140.8 MB in the beginning and 154.6 MB in the end (delta: -13.8 MB). Peak memory consumption was 92.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 374321.11 ms. Allocated memory was 197.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 154.1 MB in the beginning and 442.5 MB in the end (delta: -288.4 MB). Peak memory consumption was 750.2 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...