/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:47:14,581 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:47:14,584 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:47:14,619 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:47:14,619 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:47:14,621 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:47:14,629 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:47:14,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:47:14,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:47:14,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:47:14,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:47:14,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:47:14,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:47:14,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:47:14,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:47:14,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:47:14,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:47:14,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:47:14,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:47:14,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:47:14,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:47:14,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:47:14,652 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:47:14,653 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:47:14,656 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:47:14,656 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:47:14,656 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:47:14,657 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:47:14,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:47:14,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:47:14,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:47:14,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:47:14,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:47:14,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:47:14,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:47:14,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:47:14,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:47:14,665 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:47:14,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:47:14,666 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:47:14,667 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:47:14,669 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationWernerOverapprox_32.epf [2021-02-24 03:47:14,681 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:47:14,681 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:47:14,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:47:14,683 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:47:14,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:47:14,683 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:47:14,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:47:14,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:47:14,684 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:47:14,684 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:47:14,684 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:47:14,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:47:14,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:47:14,685 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:47:14,685 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:47:14,685 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:47:14,685 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:47:14,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:47:14,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:47:14,686 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:47:14,686 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:47:14,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:47:14,686 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:47:14,687 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:47:15,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:47:15,102 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:47:15,105 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:47:15,107 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:47:15,107 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:47:15,109 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2021-02-24 03:47:15,196 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee6bccae/e18af3431d18483eaaed6d17d170f1c7/FLAGe0e9995d9 [2021-02-24 03:47:15,879 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:47:15,879 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c [2021-02-24 03:47:15,915 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee6bccae/e18af3431d18483eaaed6d17d170f1c7/FLAGe0e9995d9 [2021-02-24 03:47:16,146 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ee6bccae/e18af3431d18483eaaed6d17d170f1c7 [2021-02-24 03:47:16,150 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:47:16,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:47:16,167 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:47:16,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:47:16,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:47:16,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:47:16" (1/1) ... [2021-02-24 03:47:16,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71f70c03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16, skipping insertion in model container [2021-02-24 03:47:16,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:47:16" (1/1) ... [2021-02-24 03:47:16,185 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:47:16,255 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:47:16,459 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-02-24 03:47:16,623 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:47:16,634 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:47:16,650 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product50.cil.c[1281,1294] [2021-02-24 03:47:16,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:47:16,822 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:47:16,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16 WrapperNode [2021-02-24 03:47:16,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:47:16,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:47:16,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:47:16,824 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:47:16,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16" (1/1) ... [2021-02-24 03:47:16,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16" (1/1) ... [2021-02-24 03:47:16,856 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16" (1/1) ... [2021-02-24 03:47:16,857 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16" (1/1) ... [2021-02-24 03:47:16,887 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16" (1/1) ... [2021-02-24 03:47:16,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16" (1/1) ... [2021-02-24 03:47:16,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16" (1/1) ... [2021-02-24 03:47:16,959 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:47:16,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:47:16,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:47:16,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:47:16,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16" (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 [2021-02-24 03:47:17,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:47:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:47:17,078 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:47:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:47:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:47:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-24 03:47:17,085 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-24 03:47:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:47:17,086 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-24 03:47:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-24 03:47:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-24 03:47:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-24 03:47:17,087 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-24 03:47:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-24 03:47:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-24 03:47:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-24 03:47:17,088 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-24 03:47:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:47:17,089 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-24 03:47:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-24 03:47:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-24 03:47:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-24 03:47:17,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-24 03:47:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-24 03:47:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-24 03:47:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-24 03:47:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:47:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:47:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:47:17,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:47:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:47:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:47:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:47:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:47:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:47:17,094 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:47:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:47:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:47:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:47:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-24 03:47:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-24 03:47:17,095 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:47:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-24 03:47:17,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:47:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:47:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:47:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:47:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:47:17,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:47:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:47:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:47:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-24 03:47:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-24 03:47:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-24 03:47:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-24 03:47:17,097 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-24 03:47:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-24 03:47:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-24 03:47:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-24 03:47:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-24 03:47:17,098 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-24 03:47:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-24 03:47:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:47:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:47:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-24 03:47:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-24 03:47:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-24 03:47:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:47:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-24 03:47:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-24 03:47:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-24 03:47:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-24 03:47:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-24 03:47:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:47:17,101 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-24 03:47:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:47:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:47:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:47:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:47:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:47:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:47:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:47:17,103 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:47:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:47:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:47:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:47:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:47:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:47:17,104 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:47:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:47:17,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:47:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:47:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:47:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:47:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:47:17,106 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-24 03:47:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:47:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-24 03:47:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:47:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:47:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:47:17,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:47:18,235 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:47:18,236 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 03:47:18,239 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:47:18 BoogieIcfgContainer [2021-02-24 03:47:18,239 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:47:18,241 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:47:18,241 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:47:18,244 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:47:18,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:47:16" (1/3) ... [2021-02-24 03:47:18,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5dcb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:47:18, skipping insertion in model container [2021-02-24 03:47:18,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:47:16" (2/3) ... [2021-02-24 03:47:18,246 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5f5dcb33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:47:18, skipping insertion in model container [2021-02-24 03:47:18,246 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:47:18" (3/3) ... [2021-02-24 03:47:18,248 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product50.cil.c [2021-02-24 03:47:18,254 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:47:18,260 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:47:18,278 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:47:18,302 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:47:18,302 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:47:18,302 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:47:18,302 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:47:18,303 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:47:18,303 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:47:18,303 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:47:18,303 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:47:18,326 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states. [2021-02-24 03:47:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-24 03:47:18,346 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:18,347 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] [2021-02-24 03:47:18,348 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:18,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:18,354 INFO L82 PathProgramCache]: Analyzing trace with hash -854232855, now seen corresponding path program 1 times [2021-02-24 03:47:18,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:18,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011720297] [2021-02-24 03:47:18,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:18,443 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:18,822 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:18,823 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:18,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:18,824 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,079 WARN L202 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:19,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,194 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,221 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:19,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,233 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:19,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,241 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,242 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:19,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:19,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,260 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-24 03:47:19,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:19,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-24 03:47:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-24 03:47:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:19,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:19,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:19,367 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:47:19,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011720297] [2021-02-24 03:47:19,370 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:19,371 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 03:47:19,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1124913311] [2021-02-24 03:47:19,378 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 03:47:19,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:19,392 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 03:47:19,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:47:19,395 INFO L87 Difference]: Start difference. First operand 335 states. Second operand 4 states. [2021-02-24 03:47:20,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:20,895 INFO L93 Difference]: Finished difference Result 523 states and 611 transitions. [2021-02-24 03:47:20,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 03:47:20,898 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-24 03:47:20,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:20,914 INFO L225 Difference]: With dead ends: 523 [2021-02-24 03:47:20,915 INFO L226 Difference]: Without dead ends: 329 [2021-02-24 03:47:20,920 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:47:20,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2021-02-24 03:47:21,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 283. [2021-02-24 03:47:21,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2021-02-24 03:47:21,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 307 transitions. [2021-02-24 03:47:21,097 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 307 transitions. Word has length 165 [2021-02-24 03:47:21,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:21,098 INFO L480 AbstractCegarLoop]: Abstraction has 283 states and 307 transitions. [2021-02-24 03:47:21,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 03:47:21,098 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 307 transitions. [2021-02-24 03:47:21,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-24 03:47:21,103 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:21,103 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] [2021-02-24 03:47:21,103 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:47:21,104 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:21,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:21,104 INFO L82 PathProgramCache]: Analyzing trace with hash -561612067, now seen corresponding path program 1 times [2021-02-24 03:47:21,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:21,105 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1730114764] [2021-02-24 03:47:21,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:21,109 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:21,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:21,205 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,205 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,527 WARN L202 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:21,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:21,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,612 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,622 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,630 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,633 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,644 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:47:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:21,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,656 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-24 03:47:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:47:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:21,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:21,664 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:21,701 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:47:21,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1730114764] [2021-02-24 03:47:21,706 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:21,706 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 03:47:21,707 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82257535] [2021-02-24 03:47:21,709 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 03:47:21,716 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:21,717 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 03:47:21,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 03:47:21,718 INFO L87 Difference]: Start difference. First operand 283 states and 307 transitions. Second operand 5 states. [2021-02-24 03:47:22,473 WARN L202 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:23,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:23,582 INFO L93 Difference]: Finished difference Result 447 states and 502 transitions. [2021-02-24 03:47:23,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 03:47:23,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-24 03:47:23,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:23,589 INFO L225 Difference]: With dead ends: 447 [2021-02-24 03:47:23,589 INFO L226 Difference]: Without dead ends: 318 [2021-02-24 03:47:23,591 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-02-24 03:47:23,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2021-02-24 03:47:23,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 273. [2021-02-24 03:47:23,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-24 03:47:23,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 294 transitions. [2021-02-24 03:47:23,729 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 294 transitions. Word has length 166 [2021-02-24 03:47:23,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:23,730 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 294 transitions. [2021-02-24 03:47:23,730 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 03:47:23,730 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 294 transitions. [2021-02-24 03:47:23,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-24 03:47:23,733 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:23,733 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] [2021-02-24 03:47:23,734 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:47:23,734 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:23,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:23,734 INFO L82 PathProgramCache]: Analyzing trace with hash 219459745, now seen corresponding path program 1 times [2021-02-24 03:47:23,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:23,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2017576424] [2021-02-24 03:47:23,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:23,739 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:23,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:23,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:23,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:23,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:23,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:23,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:23,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:23,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:23,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:23,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:47:23,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:23,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,146 WARN L202 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:24,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:24,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:24,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,190 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,190 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,193 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:24,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,209 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,210 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:24,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:24,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:24,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:24,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:47:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,271 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,272 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:24,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:47:24,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-24 03:47:24,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-24 03:47:24,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:24,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:24,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:24,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:47:24,336 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2017576424] [2021-02-24 03:47:24,336 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:24,336 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:47:24,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1364589554] [2021-02-24 03:47:24,337 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:47:24,337 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:24,338 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:47:24,338 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:47:24,338 INFO L87 Difference]: Start difference. First operand 273 states and 294 transitions. Second operand 11 states. [2021-02-24 03:47:25,110 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:25,528 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:47:25,896 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:47:26,272 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:26,655 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:27,014 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:28,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:28,950 INFO L93 Difference]: Finished difference Result 494 states and 567 transitions. [2021-02-24 03:47:28,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 03:47:28,951 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-24 03:47:28,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:28,956 INFO L225 Difference]: With dead ends: 494 [2021-02-24 03:47:28,956 INFO L226 Difference]: Without dead ends: 341 [2021-02-24 03:47:28,958 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2021-02-24 03:47:28,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-02-24 03:47:29,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 273. [2021-02-24 03:47:29,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-24 03:47:29,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 293 transitions. [2021-02-24 03:47:29,067 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 293 transitions. Word has length 179 [2021-02-24 03:47:29,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:29,068 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 293 transitions. [2021-02-24 03:47:29,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:47:29,068 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 293 transitions. [2021-02-24 03:47:29,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2021-02-24 03:47:29,071 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:29,072 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:47:29,072 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:47:29,072 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:29,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:29,073 INFO L82 PathProgramCache]: Analyzing trace with hash 1889273304, now seen corresponding path program 1 times [2021-02-24 03:47:29,073 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:29,073 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630904609] [2021-02-24 03:47:29,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:29,076 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:29,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:29,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:29,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:29,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:29,162 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,163 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,429 WARN L202 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:29,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,474 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,475 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:29,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:29,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:29,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:29,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,492 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,501 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,501 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:47:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:47:29,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:29,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:47:29,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,543 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,544 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:29,548 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,549 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,555 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,556 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:29,556 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,557 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:47:29,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2021-02-24 03:47:29,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,576 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2021-02-24 03:47:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:29,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:29,659 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:47:29,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630904609] [2021-02-24 03:47:29,660 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:29,660 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 03:47:29,660 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948912720] [2021-02-24 03:47:29,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 03:47:29,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:29,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 03:47:29,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-24 03:47:29,669 INFO L87 Difference]: Start difference. First operand 273 states and 293 transitions. Second operand 8 states. [2021-02-24 03:47:30,441 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:32,521 WARN L202 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:33,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:33,429 INFO L93 Difference]: Finished difference Result 683 states and 812 transitions. [2021-02-24 03:47:33,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-02-24 03:47:33,431 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 192 [2021-02-24 03:47:33,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:33,436 INFO L225 Difference]: With dead ends: 683 [2021-02-24 03:47:33,436 INFO L226 Difference]: Without dead ends: 530 [2021-02-24 03:47:33,438 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 134 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=157, Invalid=443, Unknown=0, NotChecked=0, Total=600 [2021-02-24 03:47:33,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 530 states. [2021-02-24 03:47:33,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 530 to 392. [2021-02-24 03:47:33,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 392 states. [2021-02-24 03:47:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 424 transitions. [2021-02-24 03:47:33,604 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 424 transitions. Word has length 192 [2021-02-24 03:47:33,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:33,605 INFO L480 AbstractCegarLoop]: Abstraction has 392 states and 424 transitions. [2021-02-24 03:47:33,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 03:47:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 424 transitions. [2021-02-24 03:47:33,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-02-24 03:47:33,608 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:33,608 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:47:33,608 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:47:33,609 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:33,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:33,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2070248864, now seen corresponding path program 1 times [2021-02-24 03:47:33,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:33,609 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1619830480] [2021-02-24 03:47:33,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:33,612 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:33,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:33,677 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:33,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:33,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:33,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:33,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:33,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:33,682 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:33,683 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:33,684 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:33,686 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:47:33,688 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-24 03:47:33,688 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-24 03:47:33,690 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:33,691 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,005 WARN L202 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:34,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,050 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:47:34,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:34,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,058 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:34,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:34,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,064 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:47:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:47:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,093 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:47:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,119 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:34,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,129 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:34,147 WARN L141 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size [2021-02-24 03:47:34,147 WARN L147 QuantifierPusher]: treesize reduction 9, result has 50.0 percent of original size 9 [2021-02-24 03:47:34,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:47:34,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,168 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,171 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,172 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,173 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:34,187 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,188 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:34,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:47:34,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-02-24 03:47:34,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,212 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,213 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-02-24 03:47:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:34,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:34,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:34,303 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-02-24 03:47:34,303 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1619830480] [2021-02-24 03:47:34,303 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:34,303 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:47:34,303 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [22876853] [2021-02-24 03:47:34,304 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:47:34,304 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:34,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:47:34,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:47:34,305 INFO L87 Difference]: Start difference. First operand 392 states and 424 transitions. Second operand 11 states. [2021-02-24 03:47:34,944 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:36,364 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:36,739 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:47:37,123 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:47:37,526 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:37,972 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:47:38,328 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:40,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:40,788 INFO L93 Difference]: Finished difference Result 1098 states and 1356 transitions. [2021-02-24 03:47:40,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-24 03:47:40,788 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2021-02-24 03:47:40,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:40,795 INFO L225 Difference]: With dead ends: 1098 [2021-02-24 03:47:40,795 INFO L226 Difference]: Without dead ends: 826 [2021-02-24 03:47:40,797 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 137 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=197, Invalid=615, Unknown=0, NotChecked=0, Total=812 [2021-02-24 03:47:40,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2021-02-24 03:47:41,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 587. [2021-02-24 03:47:41,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2021-02-24 03:47:41,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 647 transitions. [2021-02-24 03:47:41,046 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 647 transitions. Word has length 216 [2021-02-24 03:47:41,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:41,046 INFO L480 AbstractCegarLoop]: Abstraction has 587 states and 647 transitions. [2021-02-24 03:47:41,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:47:41,047 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 647 transitions. [2021-02-24 03:47:41,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2021-02-24 03:47:41,050 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:41,051 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:47:41,051 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:47:41,051 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:41,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:41,052 INFO L82 PathProgramCache]: Analyzing trace with hash -429954883, now seen corresponding path program 1 times [2021-02-24 03:47:41,052 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:41,052 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1582003777] [2021-02-24 03:47:41,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:41,055 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,120 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,120 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,123 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,124 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,124 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,130 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,130 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,414 WARN L202 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:41,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:41,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:41,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:41,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,469 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,472 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:41,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,483 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,483 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:47:41,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:47:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,503 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,504 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:47:41,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,519 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,520 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,520 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,521 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:41,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,526 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,527 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:41,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:47:41,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:47:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2021-02-24 03:47:41,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-02-24 03:47:41,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:41,549 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:41,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,550 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,561 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:41,561 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:41,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-02-24 03:47:41,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1582003777] [2021-02-24 03:47:41,644 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:41,645 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:47:41,645 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733623936] [2021-02-24 03:47:41,645 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:47:41,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:41,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:47:41,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:47:41,646 INFO L87 Difference]: Start difference. First operand 587 states and 647 transitions. Second operand 11 states. [2021-02-24 03:47:42,277 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:43,311 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:43,671 WARN L202 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:44,708 WARN L202 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:45,147 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:45,586 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:46,442 WARN L202 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:46,798 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:47,154 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:48,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:48,159 INFO L93 Difference]: Finished difference Result 1287 states and 1535 transitions. [2021-02-24 03:47:48,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-24 03:47:48,160 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 216 [2021-02-24 03:47:48,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:48,167 INFO L225 Difference]: With dead ends: 1287 [2021-02-24 03:47:48,167 INFO L226 Difference]: Without dead ends: 820 [2021-02-24 03:47:48,169 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 190 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=261, Invalid=669, Unknown=0, NotChecked=0, Total=930 [2021-02-24 03:47:48,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 820 states. [2021-02-24 03:47:48,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 820 to 585. [2021-02-24 03:47:48,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2021-02-24 03:47:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 641 transitions. [2021-02-24 03:47:48,378 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 641 transitions. Word has length 216 [2021-02-24 03:47:48,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:48,379 INFO L480 AbstractCegarLoop]: Abstraction has 585 states and 641 transitions. [2021-02-24 03:47:48,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:47:48,379 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 641 transitions. [2021-02-24 03:47:48,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-24 03:47:48,383 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:48,383 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:47:48,383 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 03:47:48,383 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:48,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:48,384 INFO L82 PathProgramCache]: Analyzing trace with hash 2045876568, now seen corresponding path program 1 times [2021-02-24 03:47:48,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:48,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095467413] [2021-02-24 03:47:48,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:48,387 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:48,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,451 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,452 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,711 WARN L202 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:48,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:48,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,739 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,739 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,746 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,747 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,748 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,749 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:48,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,752 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:48,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,755 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:48,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,763 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:47:48,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,773 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,774 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:47:48,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:48,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:47:48,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:48,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,805 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,806 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:48,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:48,825 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:48,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:48,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:48,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:47:48,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:47:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-24 03:47:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:48,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-24 03:47:48,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:48,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:48,924 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:47:49,026 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095467413] [2021-02-24 03:47:49,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:49,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:47:49,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393398653] [2021-02-24 03:47:49,027 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:47:49,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:49,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:47:49,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:47:49,029 INFO L87 Difference]: Start difference. First operand 585 states and 641 transitions. Second operand 11 states. [2021-02-24 03:47:50,680 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:51,053 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:47:51,440 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:47:51,808 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:52,185 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:47:52,540 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:53,901 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:53,902 INFO L93 Difference]: Finished difference Result 1291 states and 1531 transitions. [2021-02-24 03:47:53,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-24 03:47:53,902 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2021-02-24 03:47:53,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:53,908 INFO L225 Difference]: With dead ends: 1291 [2021-02-24 03:47:53,909 INFO L226 Difference]: Without dead ends: 826 [2021-02-24 03:47:53,911 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-02-24 03:47:53,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2021-02-24 03:47:54,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 601. [2021-02-24 03:47:54,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 601 states. [2021-02-24 03:47:54,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 657 transitions. [2021-02-24 03:47:54,157 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 657 transitions. Word has length 217 [2021-02-24 03:47:54,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:54,158 INFO L480 AbstractCegarLoop]: Abstraction has 601 states and 657 transitions. [2021-02-24 03:47:54,158 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:47:54,158 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 657 transitions. [2021-02-24 03:47:54,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2021-02-24 03:47:54,162 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:54,163 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:47:54,163 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 03:47:54,163 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:54,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:54,163 INFO L82 PathProgramCache]: Analyzing trace with hash 1920672184, now seen corresponding path program 1 times [2021-02-24 03:47:54,164 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:54,164 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [813035688] [2021-02-24 03:47:54,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:54,167 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,219 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:54,224 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:54,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,506 WARN L202 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:54,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:54,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,532 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,533 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:54,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,541 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,541 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:54,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,546 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:54,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:54,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,572 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:54,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:47:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,596 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:47:54,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,599 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:47:54,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,619 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,619 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,620 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,620 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,625 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,626 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,626 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,627 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:54,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,631 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,632 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,632 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,633 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:54,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,645 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:54,658 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:47:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,663 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,663 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:54,678 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,678 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:54,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:47:54,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,722 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2021-02-24 03:47:54,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,726 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2021-02-24 03:47:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:54,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:54,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:54,778 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:47:54,778 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [813035688] [2021-02-24 03:47:54,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:54,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-24 03:47:54,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901687063] [2021-02-24 03:47:54,779 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-24 03:47:54,779 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:54,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-24 03:47:54,780 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-24 03:47:54,780 INFO L87 Difference]: Start difference. First operand 601 states and 657 transitions. Second operand 14 states. [2021-02-24 03:47:55,499 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:55,873 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:47:56,250 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:56,612 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:47:56,960 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:58,146 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:58,499 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:47:58,864 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:59,244 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:47:59,593 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:48:01,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:48:01,178 INFO L93 Difference]: Finished difference Result 1155 states and 1358 transitions. [2021-02-24 03:48:01,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:48:01,178 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 217 [2021-02-24 03:48:01,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:48:01,183 INFO L225 Difference]: With dead ends: 1155 [2021-02-24 03:48:01,184 INFO L226 Difference]: Without dead ends: 674 [2021-02-24 03:48:01,186 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2021-02-24 03:48:01,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 674 states. [2021-02-24 03:48:01,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 674 to 511. [2021-02-24 03:48:01,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 511 states. [2021-02-24 03:48:01,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 511 states and 548 transitions. [2021-02-24 03:48:01,413 INFO L78 Accepts]: Start accepts. Automaton has 511 states and 548 transitions. Word has length 217 [2021-02-24 03:48:01,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:48:01,413 INFO L480 AbstractCegarLoop]: Abstraction has 511 states and 548 transitions. [2021-02-24 03:48:01,413 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-24 03:48:01,414 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 548 transitions. [2021-02-24 03:48:01,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2021-02-24 03:48:01,419 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:48:01,419 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:48:01,419 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 03:48:01,420 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:48:01,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:48:01,420 INFO L82 PathProgramCache]: Analyzing trace with hash -1300842046, now seen corresponding path program 1 times [2021-02-24 03:48:01,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:48:01,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379501107] [2021-02-24 03:48:01,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:48:01,424 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:48:01,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:01,553 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,553 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:01,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:01,558 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,559 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:01,559 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:01,562 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-24 03:48:01,563 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-24 03:48:01,570 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,571 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:01,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,573 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:01,577 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:01,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:01,876 WARN L202 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:48:01,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:48:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:01,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:01,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:48:01,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:48:01,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:01,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:01,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:48:01,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:01,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:01,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:48:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:01,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:01,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:48:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:01,932 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:01,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:48:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:01,956 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,957 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:01,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:48:01,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:01,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:01,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:01,997 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-24 03:48:01,998 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-24 03:48:02,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:48:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-24 03:48:02,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:48:02,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,061 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-24 03:48:02,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,081 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:48:02,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,086 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:48:02,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,088 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,088 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:48:02,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,091 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,092 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:48:02,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,097 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2021-02-24 03:48:02,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,105 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,105 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:02,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:02,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2021-02-24 03:48:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:02,133 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:02,134 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:02,192 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:48:02,193 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379501107] [2021-02-24 03:48:02,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:48:02,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-24 03:48:02,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792078060] [2021-02-24 03:48:02,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-24 03:48:02,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:48:02,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-24 03:48:02,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:48:02,195 INFO L87 Difference]: Start difference. First operand 511 states and 548 transitions. Second operand 15 states. [2021-02-24 03:48:03,195 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-24 03:48:04,178 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:48:06,257 WARN L202 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-24 03:48:06,975 WARN L202 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-24 03:48:07,388 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:48:07,769 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:48:08,470 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-24 03:48:08,846 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:48:09,267 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:48:09,630 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:48:11,927 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:48:12,297 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:48:12,671 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:48:13,519 WARN L202 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-24 03:48:15,441 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-24 03:48:16,144 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-24 03:48:16,874 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-24 03:48:17,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:48:17,627 INFO L93 Difference]: Finished difference Result 1589 states and 1879 transitions. [2021-02-24 03:48:17,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-02-24 03:48:17,628 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 222 [2021-02-24 03:48:17,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:48:17,636 INFO L225 Difference]: With dead ends: 1589 [2021-02-24 03:48:17,636 INFO L226 Difference]: Without dead ends: 1302 [2021-02-24 03:48:17,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1180 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=798, Invalid=3108, Unknown=0, NotChecked=0, Total=3906 [2021-02-24 03:48:17,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1302 states. [2021-02-24 03:48:18,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1302 to 1024. [2021-02-24 03:48:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1024 states. [2021-02-24 03:48:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1024 states to 1024 states and 1104 transitions. [2021-02-24 03:48:18,097 INFO L78 Accepts]: Start accepts. Automaton has 1024 states and 1104 transitions. Word has length 222 [2021-02-24 03:48:18,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:48:18,098 INFO L480 AbstractCegarLoop]: Abstraction has 1024 states and 1104 transitions. [2021-02-24 03:48:18,098 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-24 03:48:18,098 INFO L276 IsEmpty]: Start isEmpty. Operand 1024 states and 1104 transitions. [2021-02-24 03:48:18,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2021-02-24 03:48:18,101 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:48:18,102 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:48:18,102 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-02-24 03:48:18,102 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:48:18,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:48:18,103 INFO L82 PathProgramCache]: Analyzing trace with hash -562206810, now seen corresponding path program 1 times [2021-02-24 03:48:18,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:48:18,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1962709528] [2021-02-24 03:48:18,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:48:18,186 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-24 03:48:18,207 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-24 03:48:18,215 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-24 03:48:18,220 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-24 03:48:18,259 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-24 03:48:18,269 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-24 03:48:18,273 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-24 03:48:18,275 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-24 03:48:18,278 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-24 03:48:18,282 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-24 03:48:18,285 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-24 03:48:18,289 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-24 03:48:18,325 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-24 03:48:18,327 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-24 03:48:18,329 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-24 03:48:18,331 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-24 03:48:18,333 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-24 03:48:18,333 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-24 03:48:18,335 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-24 03:48:18,335 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-24 03:48:18,337 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:48:18,339 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:48:18,340 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-24 03:48:18,342 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-24 03:48:18,344 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-24 03:48:18,348 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-24 03:48:18,351 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-24 03:48:18,355 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-24 03:48:18,391 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-24 03:48:18,392 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-24 03:48:18,394 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-24 03:48:18,395 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-24 03:48:18,397 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-24 03:48:18,401 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-24 03:48:18,403 WARN L141 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size [2021-02-24 03:48:18,407 WARN L147 QuantifierPusher]: treesize reduction 14, result has 83.3 percent of original size 70 [2021-02-24 03:48:18,443 WARN L141 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-02-24 03:48:18,447 INFO L723 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2021-02-24 03:48:18,453 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,453 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:18,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,460 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-24 03:48:18,464 WARN L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-02-24 03:48:18,469 WARN L141 QuantifierPusher]: treesize reduction 17, result has 86.3 percent of original size [2021-02-24 03:48:18,472 WARN L147 QuantifierPusher]: treesize reduction 17, result has 86.3 percent of original size 107 [2021-02-24 03:48:18,474 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-24 03:48:18,474 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-24 03:48:18,476 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-24 03:48:18,476 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-24 03:48:18,478 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:48:18,480 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:48:18,481 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-24 03:48:18,483 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-24 03:48:18,484 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-24 03:48:18,484 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-24 03:48:18,486 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-24 03:48:18,486 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-24 03:48:18,488 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:48:18,489 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:48:18,491 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-24 03:48:18,494 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-24 03:48:18,495 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-24 03:48:18,496 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-24 03:48:18,497 WARN L141 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size [2021-02-24 03:48:18,498 WARN L147 QuantifierPusher]: treesize reduction 83, result has 1.2 percent of original size 1 [2021-02-24 03:48:18,500 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:48:18,501 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:48:18,503 WARN L141 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size [2021-02-24 03:48:18,504 WARN L147 QuantifierPusher]: treesize reduction 17, result has 71.2 percent of original size 42 [2021-02-24 03:48:18,504 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 03:48:18,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,579 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,579 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,580 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,580 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:18,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:48:18,588 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,588 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,869 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:48:18,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:48:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:48:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:48:18,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:48:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:48:18,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:48:18,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-24 03:48:18,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:48:18,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:18,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:18,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:48:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,944 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:18,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:18,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-24 03:48:18,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-24 03:48:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:18,997 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:18,998 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:18,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:48:18,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:19,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:19,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:48:19,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:19,003 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,003 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2021-02-24 03:48:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:19,005 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,005 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:19,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:48:19,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:19,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:19,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-02-24 03:48:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:19,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:19,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-24 03:48:19,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:48:19,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:19,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-02-24 03:48:19,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,092 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,092 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,093 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:48:19,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,095 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,096 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,096 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:48:19,097 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,098 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:48:19,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,102 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:48:19,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,109 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,112 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 67 [2021-02-24 03:48:19,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 100 [2021-02-24 03:48:19,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,115 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:48:19,117 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,118 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:19,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:19,132 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,132 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:48:19,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:48:19,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:19,200 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,200 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:19,232 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,233 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,234 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:19,235 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,236 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:19,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:48:19,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:19,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:19,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:48:19,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,340 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:19,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,341 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,342 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:48:19,343 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,344 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:19,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:48:19,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:48:19,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:48:19,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,443 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:19,470 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-24 03:48:19,470 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-24 03:48:19,495 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,495 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:48:19,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:48:19,562 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,563 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:19,597 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,597 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:19,635 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,637 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,637 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:19,638 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:48:19,680 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,681 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:19,681 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,682 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:19,741 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,742 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:19,743 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,744 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:48:19,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:19,745 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:48:19,789 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,790 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:48:19,826 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,826 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,827 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,827 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:48:19,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,867 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:48:19,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,868 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:48:19,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:19,945 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,946 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:19,947 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,947 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:48:19,984 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:19,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:48:20,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:48:20,085 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:20,134 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:48:20,140 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:20,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:48:20,197 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-24 03:48:20,198 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-24 03:48:20,199 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,201 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:48:20,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,252 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,253 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:48:20,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,298 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,299 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:48:20,307 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-24 03:48:20,307 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-24 03:48:20,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:20,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,410 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:20,466 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:20,468 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,469 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:48:20,525 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:48:20,526 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:48:20,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:20,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,594 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:48:20,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:20,655 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:20,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:48:20,788 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,789 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:48:20,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:48:20,864 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 03:48:20,928 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:48:20,928 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:48:20,929 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:20,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:20,999 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,000 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:48:21,065 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-24 03:48:21,066 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-24 03:48:21,067 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,069 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:48:21,136 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,136 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:21,137 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,138 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:48:21,201 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:21,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:48:21,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,279 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:48:21,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,284 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:48:21,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:21,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:21,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:21,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:48:21,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,499 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 03:48:21,557 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,558 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:21,629 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,631 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:48:21,699 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,700 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:48:21,759 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:48:21,760 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,760 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:48:21,761 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,761 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:48:21,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:48:21,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:48:21,764 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:48:21,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1962709528] [2021-02-24 03:48:21,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:48:21,765 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [56] imperfect sequences [] total 56 [2021-02-24 03:48:21,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916948598] [2021-02-24 03:48:21,766 INFO L460 AbstractCegarLoop]: Interpolant automaton has 56 states [2021-02-24 03:48:21,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:48:21,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 56 interpolants. [2021-02-24 03:48:21,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=327, Invalid=3333, Unknown=0, NotChecked=0, Total=3660 [2021-02-24 03:48:21,768 INFO L87 Difference]: Start difference. First operand 1024 states and 1104 transitions. Second operand 56 states. [2021-02-24 03:48:22,434 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:48:23,153 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:48:23,555 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:48:23,964 WARN L202 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:48:24,364 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:48:24,783 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:48:25,236 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:48:25,639 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:48:26,046 WARN L202 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:26,520 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:48:26,953 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:48:27,402 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:27,899 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:48:28,411 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:28,963 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:48:29,455 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:30,338 WARN L202 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:48:30,973 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:48:31,340 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:48:31,828 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:48:32,219 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:48:32,646 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:48:33,032 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:48:33,441 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:48:34,168 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:34,531 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:48:35,210 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:35,638 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:36,063 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:36,557 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:37,049 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:37,520 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:38,068 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:38,578 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:48:39,069 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:48:39,582 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:40,078 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:40,571 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:41,596 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:42,199 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:42,655 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:43,193 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:43,721 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:44,108 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:48:44,564 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:45,169 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:45,708 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:46,132 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:48,047 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:48,612 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:48:49,703 WARN L202 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:48:50,208 WARN L202 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:48:52,718 WARN L202 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:48:54,200 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:48:54,737 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:48:56,934 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:48:57,836 WARN L202 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-24 03:48:58,929 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:59,679 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:49:00,195 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:49:00,678 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:49:01,343 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:49:01,906 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:49:02,369 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:49:02,809 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:49:03,631 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-24 03:49:04,518 WARN L202 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 216 [2021-02-24 03:49:05,317 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:49:05,725 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:49:07,287 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:49:07,698 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:49:08,760 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:49:09,152 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:49:09,947 WARN L202 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:49:10,555 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:49:11,292 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:49:11,921 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:49:12,940 WARN L202 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:49:13,778 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:49:15,023 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:49:15,875 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:49:17,060 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:49:17,712 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:49:18,823 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-24 03:49:19,645 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:49:20,828 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-24 03:49:21,624 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:49:23,224 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:49:23,861 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:49:25,951 WARN L202 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-24 03:49:26,541 WARN L202 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:49:28,010 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:49:28,905 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:49:29,503 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:49:30,027 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:49:30,528 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:49:30,950 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:49:31,388 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:49:31,807 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:49:32,278 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:49:39,601 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:49:41,790 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-24 03:49:42,449 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:49:42,948 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:49:43,890 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-24 03:49:50,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:49:50,533 INFO L93 Difference]: Finished difference Result 4935 states and 6042 transitions. [2021-02-24 03:49:50,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 484 states. [2021-02-24 03:49:50,534 INFO L78 Accepts]: Start accepts. Automaton has 56 states. Word has length 313 [2021-02-24 03:49:50,536 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:49:50,550 INFO L225 Difference]: With dead ends: 4935 [2021-02-24 03:49:50,550 INFO L226 Difference]: Without dead ends: 1988 [2021-02-24 03:49:50,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 720 GetRequests, 177 SyntacticMatches, 5 SemanticMatches, 538 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131511 ImplicationChecksByTransitivity, 67.6s TimeCoverageRelationStatistics Valid=12733, Invalid=278327, Unknown=0, NotChecked=0, Total=291060 [2021-02-24 03:49:50,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2021-02-24 03:49:51,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1381. [2021-02-24 03:49:51,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1381 states. [2021-02-24 03:49:51,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1381 states and 1517 transitions. [2021-02-24 03:49:51,491 INFO L78 Accepts]: Start accepts. Automaton has 1381 states and 1517 transitions. Word has length 313 [2021-02-24 03:49:51,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:49:51,491 INFO L480 AbstractCegarLoop]: Abstraction has 1381 states and 1517 transitions. [2021-02-24 03:49:51,491 INFO L481 AbstractCegarLoop]: Interpolant automaton has 56 states. [2021-02-24 03:49:51,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1517 transitions. [2021-02-24 03:49:51,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 489 [2021-02-24 03:49:51,498 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:49:51,499 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:49:51,499 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-02-24 03:49:51,499 INFO L428 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:49:51,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:49:51,499 INFO L82 PathProgramCache]: Analyzing trace with hash 1987805967, now seen corresponding path program 1 times [2021-02-24 03:49:51,500 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:49:51,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1925749272] [2021-02-24 03:49:51,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:49:51,590 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 03:49:51,593 INFO L168 Benchmark]: Toolchain (without parser) took 155440.90 ms. Allocated memory was 174.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 149.9 MB in the beginning and 453.4 MB in the end (delta: -303.4 MB). Peak memory consumption was 746.7 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:51,593 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 174.1 MB. Free memory is still 146.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:49:51,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 655.33 ms. Allocated memory is still 174.1 MB. Free memory was 148.8 MB in the beginning and 126.6 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:51,593 INFO L168 Benchmark]: Boogie Preprocessor took 136.07 ms. Allocated memory is still 174.1 MB. Free memory was 126.6 MB in the beginning and 156.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:51,594 INFO L168 Benchmark]: RCFGBuilder took 1274.91 ms. Allocated memory was 174.1 MB in the beginning and 219.2 MB in the end (delta: 45.1 MB). Free memory was 156.2 MB in the beginning and 147.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 58.1 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:51,594 INFO L168 Benchmark]: TraceAbstraction took 153351.38 ms. Allocated memory was 219.2 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 147.8 MB in the beginning and 453.4 MB in the end (delta: -305.5 MB). Peak memory consumption was 698.5 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:51,595 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 174.1 MB. Free memory is still 146.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 655.33 ms. Allocated memory is still 174.1 MB. Free memory was 148.8 MB in the beginning and 126.6 MB in the end (delta: 22.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 136.07 ms. Allocated memory is still 174.1 MB. Free memory was 126.6 MB in the beginning and 156.2 MB in the end (delta: -29.6 MB). Peak memory consumption was 7.9 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1274.91 ms. Allocated memory was 174.1 MB in the beginning and 219.2 MB in the end (delta: 45.1 MB). Free memory was 156.2 MB in the beginning and 147.8 MB in the end (delta: 8.4 MB). Peak memory consumption was 58.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 153351.38 ms. Allocated memory was 219.2 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 147.8 MB in the beginning and 453.4 MB in the end (delta: -305.5 MB). Peak memory consumption was 698.5 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...