/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_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:46:20,975 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:46:20,979 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:46:21,037 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:46:21,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:46:21,042 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:46:21,046 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:46:21,053 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:46:21,064 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:46:21,070 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:46:21,071 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:46:21,073 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:46:21,073 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:46:21,076 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:46:21,077 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:46:21,079 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:46:21,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:46:21,084 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:46:21,090 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:46:21,098 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:46:21,100 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:46:21,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:46:21,103 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:46:21,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:46:21,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:46:21,113 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:46:21,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:46:21,116 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:46:21,116 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:46:21,117 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:46:21,118 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:46:21,118 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:46:21,120 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:46:21,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:46:21,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:46:21,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:46:21,123 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:46:21,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:46:21,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:46:21,124 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:46:21,125 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:46:21,126 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 03:46:21,148 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:46:21,148 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:46:21,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:46:21,153 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:46:21,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:46:21,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:46:21,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:46:21,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:46:21,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:46:21,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:46:21,156 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:46:21,156 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:46:21,156 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:46:21,156 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:46:21,157 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:46:21,157 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:46:21,157 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:46:21,157 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:46:21,157 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:46:21,158 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:46:21,158 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:46:21,158 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:46:21,158 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:46:21,158 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:46:21,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:46:21,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:46:21,597 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:46:21,599 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:46:21,600 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:46:21,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2021-02-24 03:46:21,690 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41bf56c9/254a99ab9346467e880d4982b51ee96a/FLAGcc17038ad [2021-02-24 03:46:22,482 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:46:22,483 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2021-02-24 03:46:22,509 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41bf56c9/254a99ab9346467e880d4982b51ee96a/FLAGcc17038ad [2021-02-24 03:46:22,733 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a41bf56c9/254a99ab9346467e880d4982b51ee96a [2021-02-24 03:46:22,736 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:46:22,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:46:22,752 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:46:22,752 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:46:22,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:46:22,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:46:22" (1/1) ... [2021-02-24 03:46:22,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67166f42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:22, skipping insertion in model container [2021-02-24 03:46:22,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:46:22" (1/1) ... [2021-02-24 03:46:22,769 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:46:22,809 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:46:23,061 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_product48.cil.c[10968,10981] [2021-02-24 03:46:23,182 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:46:23,196 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:46:23,249 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_product48.cil.c[10968,10981] [2021-02-24 03:46:23,279 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:46:23,325 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:46:23,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23 WrapperNode [2021-02-24 03:46:23,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:46:23,327 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:46:23,327 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:46:23,328 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:46:23,341 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23" (1/1) ... [2021-02-24 03:46:23,341 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23" (1/1) ... [2021-02-24 03:46:23,360 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23" (1/1) ... [2021-02-24 03:46:23,360 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23" (1/1) ... [2021-02-24 03:46:23,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23" (1/1) ... [2021-02-24 03:46:23,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23" (1/1) ... [2021-02-24 03:46:23,443 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23" (1/1) ... [2021-02-24 03:46:23,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:46:23,464 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:46:23,465 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:46:23,465 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:46:23,469 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23" (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 03:46:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:46:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:46:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:46:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:46:23,623 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:46:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:46:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:46:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:46:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:46:23,624 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-24 03:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-24 03:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-24 03:46:23,625 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-24 03:46:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2021-02-24 03:46:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-24 03:46:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-24 03:46:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-24 03:46:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-24 03:46:23,626 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-24 03:46:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-24 03:46:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2021-02-24 03:46:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-24 03:46:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-24 03:46:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-24 03:46:23,627 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-24 03:46:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-24 03:46:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-24 03:46:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-24 03:46:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-24 03:46:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-24 03:46:23,628 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-24 03:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-24 03:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:46:23,629 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:46:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:46:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:46:23,630 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:46:23,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:46:23,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:46:23,632 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:46:23,633 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:46:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-24 03:46:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-24 03:46:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-24 03:46:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2021-02-24 03:46:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-24 03:46:23,634 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-24 03:46:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:46:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-24 03:46:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-24 03:46:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-24 03:46:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-24 03:46:23,635 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-24 03:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-24 03:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-24 03:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-24 03:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2021-02-24 03:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2021-02-24 03:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-24 03:46:23,636 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-24 03:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-24 03:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-24 03:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-24 03:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2021-02-24 03:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-24 03:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-24 03:46:23,637 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2021-02-24 03:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-24 03:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:46:23,638 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:46:23,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:46:24,735 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:46:24,736 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 03:46:24,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:46:24 BoogieIcfgContainer [2021-02-24 03:46:24,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:46:24,741 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:46:24,741 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:46:24,744 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:46:24,745 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:46:22" (1/3) ... [2021-02-24 03:46:24,745 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f525fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:46:24, skipping insertion in model container [2021-02-24 03:46:24,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:46:23" (2/3) ... [2021-02-24 03:46:24,746 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f525fca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:46:24, skipping insertion in model container [2021-02-24 03:46:24,746 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:46:24" (3/3) ... [2021-02-24 03:46:24,748 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2021-02-24 03:46:24,755 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:46:24,761 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:46:24,782 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:46:24,809 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:46:24,809 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:46:24,809 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:46:24,810 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:46:24,810 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:46:24,810 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:46:24,810 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:46:24,810 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:46:24,837 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2021-02-24 03:46:24,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2021-02-24 03:46:24,859 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:46:24,860 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 03:46:24,860 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:46:24,867 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:46:24,868 INFO L82 PathProgramCache]: Analyzing trace with hash -1086021256, now seen corresponding path program 1 times [2021-02-24 03:46:24,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:46:24,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928215414] [2021-02-24 03:46:24,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:46:24,966 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:46:25,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,319 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,636 WARN L202 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:46:25,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:25,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,724 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:46:25,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,756 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:46:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:46:25,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:46:25,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:46:25,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-24 03:46:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,819 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:25,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,830 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,831 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2021-02-24 03:46:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-24 03:46:25,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:25,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:25,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:25,907 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 03:46:25,909 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928215414] [2021-02-24 03:46:25,912 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:46:25,912 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 03:46:25,914 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826783129] [2021-02-24 03:46:25,921 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 03:46:25,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:46:25,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 03:46:25,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:46:25,942 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 4 states. [2021-02-24 03:46:27,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:46:27,959 INFO L93 Difference]: Finished difference Result 546 states and 642 transitions. [2021-02-24 03:46:27,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-02-24 03:46:27,962 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2021-02-24 03:46:27,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:46:27,980 INFO L225 Difference]: With dead ends: 546 [2021-02-24 03:46:27,980 INFO L226 Difference]: Without dead ends: 343 [2021-02-24 03:46:27,986 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:46:28,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 343 states. [2021-02-24 03:46:28,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 343 to 292. [2021-02-24 03:46:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-24 03:46:28,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 319 transitions. [2021-02-24 03:46:28,194 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 319 transitions. Word has length 165 [2021-02-24 03:46:28,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:46:28,195 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 319 transitions. [2021-02-24 03:46:28,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 03:46:28,196 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 319 transitions. [2021-02-24 03:46:28,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2021-02-24 03:46:28,200 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:46:28,201 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 03:46:28,201 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:46:28,201 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:46:28,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:46:28,202 INFO L82 PathProgramCache]: Analyzing trace with hash 1328612636, now seen corresponding path program 1 times [2021-02-24 03:46:28,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:46:28,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1292659882] [2021-02-24 03:46:28,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:46:28,206 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:46:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:28,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,367 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,709 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:46:28,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:28,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,814 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,815 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:46:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,824 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,825 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:46:28,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,828 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:46:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,836 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:46:28,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:46:28,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:46:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2021-02-24 03:46:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:46:28,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:28,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:28,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:28,904 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 03:46:28,904 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1292659882] [2021-02-24 03:46:28,904 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:46:28,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-02-24 03:46:28,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448991830] [2021-02-24 03:46:28,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-02-24 03:46:28,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:46:28,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-02-24 03:46:28,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-02-24 03:46:28,907 INFO L87 Difference]: Start difference. First operand 292 states and 319 transitions. Second operand 5 states. [2021-02-24 03:46:29,704 WARN L202 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:31,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:46:31,057 INFO L93 Difference]: Finished difference Result 464 states and 525 transitions. [2021-02-24 03:46:31,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-02-24 03:46:31,058 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 166 [2021-02-24 03:46:31,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:46:31,063 INFO L225 Difference]: With dead ends: 464 [2021-02-24 03:46:31,063 INFO L226 Difference]: Without dead ends: 332 [2021-02-24 03:46:31,066 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 03:46:31,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2021-02-24 03:46:31,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 282. [2021-02-24 03:46:31,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-02-24 03:46:31,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 306 transitions. [2021-02-24 03:46:31,187 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 306 transitions. Word has length 166 [2021-02-24 03:46:31,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:46:31,187 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 306 transitions. [2021-02-24 03:46:31,188 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-02-24 03:46:31,188 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 306 transitions. [2021-02-24 03:46:31,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2021-02-24 03:46:31,193 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:46:31,194 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 03:46:31,194 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:46:31,194 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:46:31,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:46:31,197 INFO L82 PathProgramCache]: Analyzing trace with hash 784736613, now seen corresponding path program 1 times [2021-02-24 03:46:31,197 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:46:31,197 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [990851691] [2021-02-24 03:46:31,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:46:31,201 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:46:31,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:31,291 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,292 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:31,295 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,296 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,297 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:46:31,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,303 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,596 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:46:31,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,634 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,634 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:46:31,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,642 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,643 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:46:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,645 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,646 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:46:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,653 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,654 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,662 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,662 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:46:31,675 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,676 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:46:31,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:46:31,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:46:31,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:46:31,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,730 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:31,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:46:31,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,772 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,772 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:31,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2021-02-24 03:46:31,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2021-02-24 03:46:31,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:31,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:31,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:31,848 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 03:46:31,848 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [990851691] [2021-02-24 03:46:31,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:46:31,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:46:31,849 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1435675966] [2021-02-24 03:46:31,850 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:46:31,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:46:31,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:46:31,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:46:31,851 INFO L87 Difference]: Start difference. First operand 282 states and 306 transitions. Second operand 11 states. [2021-02-24 03:46:32,557 WARN L202 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:46:33,011 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:46:33,396 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:46:33,790 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:34,168 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:46:34,546 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:35,879 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:38,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:46:38,693 INFO L93 Difference]: Finished difference Result 777 states and 905 transitions. [2021-02-24 03:46:38,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:46:38,694 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 179 [2021-02-24 03:46:38,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:46:38,700 INFO L225 Difference]: With dead ends: 777 [2021-02-24 03:46:38,700 INFO L226 Difference]: Without dead ends: 615 [2021-02-24 03:46:38,703 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2021-02-24 03:46:38,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 615 states. [2021-02-24 03:46:38,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 615 to 512. [2021-02-24 03:46:38,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 512 states. [2021-02-24 03:46:38,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 576 transitions. [2021-02-24 03:46:38,934 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 576 transitions. Word has length 179 [2021-02-24 03:46:38,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:46:38,934 INFO L480 AbstractCegarLoop]: Abstraction has 512 states and 576 transitions. [2021-02-24 03:46:38,935 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:46:38,935 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 576 transitions. [2021-02-24 03:46:38,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2021-02-24 03:46:38,939 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:46:38,939 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:46:38,939 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:46:38,939 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:46:38,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:46:38,940 INFO L82 PathProgramCache]: Analyzing trace with hash 136535620, now seen corresponding path program 1 times [2021-02-24 03:46:38,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:46:38,940 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1314349113] [2021-02-24 03:46:38,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:46:38,944 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:46:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,090 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,091 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,095 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,101 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,101 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,102 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,103 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,104 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,109 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,109 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,115 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,116 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,444 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:46:39,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,512 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:46:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,523 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,524 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:46:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,527 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,528 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:46:39,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:46:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,536 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:46:39,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,551 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2021-02-24 03:46:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,572 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,577 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-24 03:46:39,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,587 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,590 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,590 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2021-02-24 03:46:39,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,594 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2021-02-24 03:46:39,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:39,600 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:39,601 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,602 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,613 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:39,613 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:39,673 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 03:46:39,674 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1314349113] [2021-02-24 03:46:39,674 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:46:39,674 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-24 03:46:39,674 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100044510] [2021-02-24 03:46:39,676 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 03:46:39,676 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:46:39,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 03:46:39,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-24 03:46:39,678 INFO L87 Difference]: Start difference. First operand 512 states and 576 transitions. Second operand 10 states. [2021-02-24 03:46:40,301 WARN L202 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:46:41,344 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:41,729 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:46:43,157 WARN L202 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:43,526 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:46:43,864 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:44,361 WARN L202 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:46:44,717 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:45,128 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:46,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:46:46,174 INFO L93 Difference]: Finished difference Result 1199 states and 1432 transitions. [2021-02-24 03:46:46,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-02-24 03:46:46,175 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 184 [2021-02-24 03:46:46,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:46:46,182 INFO L225 Difference]: With dead ends: 1199 [2021-02-24 03:46:46,182 INFO L226 Difference]: Without dead ends: 807 [2021-02-24 03:46:46,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2021-02-24 03:46:46,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 807 states. [2021-02-24 03:46:46,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 807 to 714. [2021-02-24 03:46:46,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 714 states. [2021-02-24 03:46:46,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 714 states to 714 states and 800 transitions. [2021-02-24 03:46:46,465 INFO L78 Accepts]: Start accepts. Automaton has 714 states and 800 transitions. Word has length 184 [2021-02-24 03:46:46,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:46:46,466 INFO L480 AbstractCegarLoop]: Abstraction has 714 states and 800 transitions. [2021-02-24 03:46:46,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 03:46:46,466 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 800 transitions. [2021-02-24 03:46:46,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-24 03:46:46,471 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:46:46,472 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:46:46,472 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:46:46,472 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:46:46,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:46:46,473 INFO L82 PathProgramCache]: Analyzing trace with hash -1377929483, now seen corresponding path program 1 times [2021-02-24 03:46:46,473 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:46:46,473 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1913934213] [2021-02-24 03:46:46,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:46:46,476 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:46:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,538 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,540 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,823 WARN L202 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:46:46,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:46:46,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:46:46,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,866 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:46:46,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,869 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:46:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:46:46,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,882 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:46:46,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,891 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:46:46,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:46,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:46:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,920 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:46:46,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,928 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,930 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,934 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:46,942 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,942 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:46,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,951 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:46:46,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:46,965 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,966 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:46,967 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,967 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:46:46,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:46:46,995 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:46,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:46:47,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:46:47,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:47,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:47,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:47,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:46:47,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:47,020 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:47,023 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:47,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:46:47,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:47,027 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:47,027 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:47,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:46:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:47,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:47,030 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:47,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:46:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:47,034 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:47,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:47,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-24 03:46:47,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:47,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:47,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:47,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-24 03:46:47,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:47,046 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:47,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:47,102 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 03:46:47,103 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1913934213] [2021-02-24 03:46:47,103 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:46:47,103 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2021-02-24 03:46:47,103 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012626634] [2021-02-24 03:46:47,104 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-02-24 03:46:47,104 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:46:47,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-02-24 03:46:47,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2021-02-24 03:46:47,105 INFO L87 Difference]: Start difference. First operand 714 states and 800 transitions. Second operand 11 states. [2021-02-24 03:46:48,903 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:49,314 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:46:49,718 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:46:50,101 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:50,484 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:46:50,842 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:52,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:46:52,529 INFO L93 Difference]: Finished difference Result 1520 states and 1833 transitions. [2021-02-24 03:46:52,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-02-24 03:46:52,531 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 239 [2021-02-24 03:46:52,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:46:52,537 INFO L225 Difference]: With dead ends: 1520 [2021-02-24 03:46:52,537 INFO L226 Difference]: Without dead ends: 926 [2021-02-24 03:46:52,540 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 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 03:46:52,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 926 states. [2021-02-24 03:46:52,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 926 to 733. [2021-02-24 03:46:52,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2021-02-24 03:46:52,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 820 transitions. [2021-02-24 03:46:52,873 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 820 transitions. Word has length 239 [2021-02-24 03:46:52,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:46:52,874 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 820 transitions. [2021-02-24 03:46:52,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2021-02-24 03:46:52,875 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 820 transitions. [2021-02-24 03:46:52,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-24 03:46:52,885 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:46:52,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:46:52,886 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:46:52,886 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:46:52,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:46:52,887 INFO L82 PathProgramCache]: Analyzing trace with hash -710183083, now seen corresponding path program 1 times [2021-02-24 03:46:52,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:46:52,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2138024179] [2021-02-24 03:46:52,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:46:52,890 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:46:52,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:52,978 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:52,979 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:52,979 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:52,980 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:52,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:52,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:52,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:52,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:52,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:52,988 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,288 WARN L202 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:46:53,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:53,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:46:53,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,345 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:46:53,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,347 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,348 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:46:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:46:53,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:46:53,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:46:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:46:53,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:46:53,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,406 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:46:53,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,409 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:46:53,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,415 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,416 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:46:53,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,440 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,440 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:46:53,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,453 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,455 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,456 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:46:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,466 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:53,478 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,478 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:53,491 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,491 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:46:53,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,496 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,497 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,497 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:53,512 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,513 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:46:53,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:46:53,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,531 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,532 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:46:53,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,535 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,538 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:46:53,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:46:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,550 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,552 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-24 03:46:53,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,560 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,560 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-24 03:46:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:46:53,563 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:46:53,566 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:46:53,620 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 03:46:53,621 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2138024179] [2021-02-24 03:46:53,621 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:46:53,621 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2021-02-24 03:46:53,621 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188626728] [2021-02-24 03:46:53,622 INFO L460 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-02-24 03:46:53,622 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:46:53,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-02-24 03:46:53,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2021-02-24 03:46:53,623 INFO L87 Difference]: Start difference. First operand 733 states and 820 transitions. Second operand 14 states. [2021-02-24 03:46:54,341 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:46:54,728 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:46:55,093 WARN L202 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:55,455 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:46:55,803 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:57,120 WARN L202 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:57,520 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:46:57,921 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:46:58,338 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:46:58,702 WARN L202 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:00,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:00,451 INFO L93 Difference]: Finished difference Result 1557 states and 1871 transitions. [2021-02-24 03:47:00,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-02-24 03:47:00,452 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 239 [2021-02-24 03:47:00,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:00,460 INFO L225 Difference]: With dead ends: 1557 [2021-02-24 03:47:00,460 INFO L226 Difference]: Without dead ends: 944 [2021-02-24 03:47:00,463 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 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 03:47:00,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 944 states. [2021-02-24 03:47:00,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 944 to 745. [2021-02-24 03:47:00,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 745 states. [2021-02-24 03:47:00,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 745 states and 832 transitions. [2021-02-24 03:47:00,755 INFO L78 Accepts]: Start accepts. Automaton has 745 states and 832 transitions. Word has length 239 [2021-02-24 03:47:00,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:00,756 INFO L480 AbstractCegarLoop]: Abstraction has 745 states and 832 transitions. [2021-02-24 03:47:00,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2021-02-24 03:47:00,756 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 832 transitions. [2021-02-24 03:47:00,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-02-24 03:47:00,763 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:00,763 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:47:00,763 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 03:47:00,763 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:00,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:00,764 INFO L82 PathProgramCache]: Analyzing trace with hash 16922194, now seen corresponding path program 1 times [2021-02-24 03:47:00,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:00,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972511412] [2021-02-24 03:47:00,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:00,767 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:00,829 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:00,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:00,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:00,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:00,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:00,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:00,834 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:00,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:00,835 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:00,835 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:47:00,837 WARN L141 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size [2021-02-24 03:47:00,837 WARN L147 QuantifierPusher]: treesize reduction 8, result has 11.1 percent of original size 1 [2021-02-24 03:47:00,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:00,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,151 WARN L202 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:01,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,193 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,194 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,195 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,195 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:47:01,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:01,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,202 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,202 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:01,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,211 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:01,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,215 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:01,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,225 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2021-02-24 03:47:01,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,236 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,237 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:47:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,241 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:01,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,243 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2021-02-24 03:47:01,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:01,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:01,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,280 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,280 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,282 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:47:01,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:01,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:47:01,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:47:01,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:47:01,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:47:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,334 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:47:01,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:47:01,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,341 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,342 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:47:01,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,344 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,345 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2021-02-24 03:47:01,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,353 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,353 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2021-02-24 03:47:01,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:01,355 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:01,356 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:01,421 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 03:47:01,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972511412] [2021-02-24 03:47:01,421 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:01,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-02-24 03:47:01,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031715543] [2021-02-24 03:47:01,422 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-02-24 03:47:01,422 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:01,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-02-24 03:47:01,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-02-24 03:47:01,423 INFO L87 Difference]: Start difference. First operand 745 states and 832 transitions. Second operand 8 states. [2021-02-24 03:47:02,082 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:02,850 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:06,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:06,483 INFO L93 Difference]: Finished difference Result 2326 states and 2831 transitions. [2021-02-24 03:47:06,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-02-24 03:47:06,485 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 239 [2021-02-24 03:47:06,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:06,497 INFO L225 Difference]: With dead ends: 2326 [2021-02-24 03:47:06,497 INFO L226 Difference]: Without dead ends: 1701 [2021-02-24 03:47:06,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 52 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2021-02-24 03:47:06,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1701 states. [2021-02-24 03:47:07,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1701 to 1433. [2021-02-24 03:47:07,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1433 states. [2021-02-24 03:47:07,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1433 states and 1629 transitions. [2021-02-24 03:47:07,093 INFO L78 Accepts]: Start accepts. Automaton has 1433 states and 1629 transitions. Word has length 239 [2021-02-24 03:47:07,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:07,094 INFO L480 AbstractCegarLoop]: Abstraction has 1433 states and 1629 transitions. [2021-02-24 03:47:07,094 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2021-02-24 03:47:07,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1433 states and 1629 transitions. [2021-02-24 03:47:07,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2021-02-24 03:47:07,101 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:07,101 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:47:07,101 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 03:47:07,102 INFO L428 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:07,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:07,102 INFO L82 PathProgramCache]: Analyzing trace with hash -862826751, now seen corresponding path program 1 times [2021-02-24 03:47:07,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:07,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385323532] [2021-02-24 03:47:07,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:07,107 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:47:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,297 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:07,300 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:07,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:07,302 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:07,306 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-24 03:47:07,307 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-24 03:47:07,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:07,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:07,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,321 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:07,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,647 WARN L202 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:07,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:07,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,692 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,693 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,694 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,694 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:47:07,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,701 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,701 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:07,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,703 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,704 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:07,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,709 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,709 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:07,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,711 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,711 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,728 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:47:07,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,758 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,759 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:07,774 WARN L141 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size [2021-02-24 03:47:07,775 WARN L147 QuantifierPusher]: treesize reduction 5, result has 72.2 percent of original size 13 [2021-02-24 03:47:07,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:47:07,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2021-02-24 03:47:07,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,813 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,814 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:07,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,816 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2021-02-24 03:47:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,845 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,845 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,848 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,848 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:47:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:47:07,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:47:07,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,858 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:47:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2021-02-24 03:47:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,863 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,864 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2021-02-24 03:47:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:07,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:07,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2021-02-24 03:47:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:07,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:07,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:07,997 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 03:47:07,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385323532] [2021-02-24 03:47:07,998 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:07,998 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-24 03:47:07,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670283259] [2021-02-24 03:47:07,999 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-24 03:47:07,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:08,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-24 03:47:08,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:47:08,000 INFO L87 Difference]: Start difference. First operand 1433 states and 1629 transitions. Second operand 15 states. [2021-02-24 03:47:09,008 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2021-02-24 03:47:09,964 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:11,508 WARN L202 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2021-02-24 03:47:12,270 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2021-02-24 03:47:12,732 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:13,121 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:13,861 WARN L202 SmtUtils]: Spent 664.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2021-02-24 03:47:14,257 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:14,690 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:15,083 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:19,453 WARN L202 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2021-02-24 03:47:20,219 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:20,582 WARN L202 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:21,050 WARN L202 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:22,749 WARN L202 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2021-02-24 03:47:23,496 WARN L202 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2021-02-24 03:47:24,219 WARN L202 SmtUtils]: Spent 651.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2021-02-24 03:47:25,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:47:25,240 INFO L93 Difference]: Finished difference Result 4372 states and 5345 transitions. [2021-02-24 03:47:25,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-02-24 03:47:25,246 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 244 [2021-02-24 03:47:25,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:47:25,268 INFO L225 Difference]: With dead ends: 4372 [2021-02-24 03:47:25,269 INFO L226 Difference]: Without dead ends: 3340 [2021-02-24 03:47:25,276 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 9.9s TimeCoverageRelationStatistics Valid=829, Invalid=3331, Unknown=0, NotChecked=0, Total=4160 [2021-02-24 03:47:25,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2021-02-24 03:47:26,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 2630. [2021-02-24 03:47:26,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2630 states. [2021-02-24 03:47:26,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 2970 transitions. [2021-02-24 03:47:26,847 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 2970 transitions. Word has length 244 [2021-02-24 03:47:26,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:47:26,848 INFO L480 AbstractCegarLoop]: Abstraction has 2630 states and 2970 transitions. [2021-02-24 03:47:26,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-24 03:47:26,848 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 2970 transitions. [2021-02-24 03:47:26,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 331 [2021-02-24 03:47:26,853 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:47:26,854 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:47:26,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-02-24 03:47:26,854 INFO L428 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:47:26,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:47:26,855 INFO L82 PathProgramCache]: Analyzing trace with hash -283095070, now seen corresponding path program 1 times [2021-02-24 03:47:26,855 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:47:26,855 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [502508879] [2021-02-24 03:47:26,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:47:26,934 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:47:26,935 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:47:26,942 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:47:26,942 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:47:26,948 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:47:26,973 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:47:26,978 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-24 03:47:26,981 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-24 03:47:26,986 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:47:26,993 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:47:26,996 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:47:27,002 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:47:27,042 WARN L141 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size [2021-02-24 03:47:27,044 WARN L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-02-24 03:47:27,049 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-24 03:47:27,053 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-24 03:47:27,059 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:47:27,067 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:47:27,071 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:47:27,079 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:47:27,120 WARN L141 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size [2021-02-24 03:47:27,122 WARN L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-02-24 03:47:27,127 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-24 03:47:27,128 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-24 03:47:27,131 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:47:27,131 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:47:27,133 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:47:27,133 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:47:27,135 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:47:27,138 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:47:27,142 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-24 03:47:27,145 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-24 03:47:27,148 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:47:27,157 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:47:27,160 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:47:27,171 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:47:27,211 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size [2021-02-24 03:47:27,216 INFO L723 QuantifierPusher]: Distributing 9 disjuncts over 3 conjuncts [2021-02-24 03:47:27,238 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,239 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:27,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 102 [2021-02-24 03:47:27,260 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.5 percent of original size 38 [2021-02-24 03:47:27,267 WARN L141 QuantifierPusher]: treesize reduction 17, result has 87.3 percent of original size [2021-02-24 03:47:27,272 WARN L147 QuantifierPusher]: treesize reduction 17, result has 87.3 percent of original size 117 [2021-02-24 03:47:27,276 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:47:27,276 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:47:27,278 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:47:27,279 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:47:27,281 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:47:27,283 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:47:27,285 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-24 03:47:27,287 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-24 03:47:27,289 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:47:27,289 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:47:27,291 WARN L141 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size [2021-02-24 03:47:27,291 WARN L147 QuantifierPusher]: treesize reduction 94, result has 1.1 percent of original size 1 [2021-02-24 03:47:27,295 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:47:27,299 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:47:27,301 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-24 03:47:27,305 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-24 03:47:27,307 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:47:27,319 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:47:27,324 WARN L141 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size [2021-02-24 03:47:27,328 WARN L147 QuantifierPusher]: treesize reduction 22, result has 76.8 percent of original size 73 [2021-02-24 03:47:27,371 WARN L141 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size [2021-02-24 03:47:27,375 WARN L147 QuantifierPusher]: treesize reduction 34, result has 19.0 percent of original size 8 [2021-02-24 03:47:27,377 WARN L141 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size [2021-02-24 03:47:27,379 WARN L147 QuantifierPusher]: treesize reduction 17, result has 72.6 percent of original size 45 [2021-02-24 03:47:27,380 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 03:47:27,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,480 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,481 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,481 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:27,485 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,486 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:47:27,489 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,766 WARN L202 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:47:27,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,794 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,795 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2021-02-24 03:47:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,801 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,801 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2021-02-24 03:47:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,804 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,805 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2021-02-24 03:47:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,809 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2021-02-24 03:47:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2021-02-24 03:47:27,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,821 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-24 03:47:27,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,832 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,832 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2021-02-24 03:47:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:27,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,846 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:27,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:47:27,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,851 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,852 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:27,861 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,862 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:27,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2021-02-24 03:47:27,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,886 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2021-02-24 03:47:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,907 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-02-24 03:47:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,910 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2021-02-24 03:47:27,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:47:27,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 207 [2021-02-24 03:47:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2021-02-24 03:47:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:47:27,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,921 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:27,986 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 03:47:27,991 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,993 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:27,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,994 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:27,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-24 03:47:27,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,997 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:27,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:27,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:28,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-24 03:47:28,002 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,006 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:28,007 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-24 03:47:28,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,010 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,011 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,011 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:28,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-24 03:47:28,016 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,024 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,026 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,028 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 74 [2021-02-24 03:47:28,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 110 [2021-02-24 03:47:28,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:28,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 40 [2021-02-24 03:47:28,035 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:28,036 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:28,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:47:28,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,079 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:47:28,102 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:47:28,126 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,127 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:47:28,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,254 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,255 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,255 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:28,256 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:28,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:47:28,293 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:47:28,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:28,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:47:28,360 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:28,362 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,362 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,363 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,363 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:47:28,364 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,365 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,365 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:28,366 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:47:28,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,406 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:47:28,431 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:47:28,460 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,461 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:47:28,488 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-24 03:47:28,489 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-24 03:47:28,513 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,514 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:47:28,545 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,546 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:47:28,584 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:28,622 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,623 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:28,665 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,666 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,667 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:28,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:47:28,713 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,714 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:28,715 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,715 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:28,762 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,763 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:28,764 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,766 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:47:28,767 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,769 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:28,770 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:47:28,815 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,816 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:47:28,855 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,855 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:28,856 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:47:28,893 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,893 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:28,894 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,894 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:28,895 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,895 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:28,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:47:28,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,897 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:47:28,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,935 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:28,970 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:28,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:28,973 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:47:29,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:47:29,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:47:29,111 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:29,159 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,160 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:47:29,161 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,162 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:29,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:47:29,216 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-24 03:47:29,217 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-24 03:47:29,218 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:47:29,261 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,262 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,265 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,266 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:47:29,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,301 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,311 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,312 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,313 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:47:29,316 WARN L141 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size [2021-02-24 03:47:29,316 WARN L147 QuantifierPusher]: treesize reduction 1, result has 94.1 percent of original size 16 [2021-02-24 03:47:29,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,361 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:29,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,409 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:29,471 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,471 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:29,472 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 26 [2021-02-24 03:47:29,534 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:47:29,536 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:47:29,537 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 22 [2021-02-24 03:47:29,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,600 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:47:29,657 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,658 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:29,659 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,660 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:29,724 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,726 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:47:29,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:47:29,866 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,867 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 28 [2021-02-24 03:47:29,868 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 32 [2021-02-24 03:47:29,933 WARN L141 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size [2021-02-24 03:47:29,934 WARN L147 QuantifierPusher]: treesize reduction 8, result has 70.4 percent of original size 19 [2021-02-24 03:47:29,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:29,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:30,004 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:47:30,073 WARN L141 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size [2021-02-24 03:47:30,075 WARN L147 QuantifierPusher]: treesize reduction 4, result has 82.6 percent of original size 19 [2021-02-24 03:47:30,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:47:30,142 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:30,144 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,145 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:30,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:47:30,148 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,149 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:30,149 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,150 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:30,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:47:30,151 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:30,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,152 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:30,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,153 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:30,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,228 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:47:30,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,305 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:47:30,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,309 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:47:30,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 27 [2021-02-24 03:47:30,462 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,463 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:47:30,551 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,554 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:47:30,636 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,637 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:47:30,731 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:47:30,732 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 34 [2021-02-24 03:47:30,821 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,822 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 35 [2021-02-24 03:47:30,901 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,902 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:47:30,993 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:30,997 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 31 [2021-02-24 03:47:31,076 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,077 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:47:31,177 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,179 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:47:31,263 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,263 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:31,264 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,265 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:47:31,336 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,337 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:31,338 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:47:31,410 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,411 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,412 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:47:31,413 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,415 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:47:31,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,420 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:47:31,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,424 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,430 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,430 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,431 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,432 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,432 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,433 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,434 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:31,508 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,509 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:47:31,592 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,592 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:47:31,593 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,595 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:47:31,673 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,674 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 30 [2021-02-24 03:47:31,744 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,744 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:47:31,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,830 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:47:31,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:47:31,980 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,981 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:47:31,982 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,983 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:47:31,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,985 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:47:31,988 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,989 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 29 [2021-02-24 03:47:31,989 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:47:31,990 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:47:31,990 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [502508879] [2021-02-24 03:47:31,990 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:47:31,990 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [67] imperfect sequences [] total 67 [2021-02-24 03:47:31,990 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930600056] [2021-02-24 03:47:31,991 INFO L460 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-02-24 03:47:31,991 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:47:31,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-02-24 03:47:31,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=437, Invalid=4819, Unknown=0, NotChecked=0, Total=5256 [2021-02-24 03:47:31,994 INFO L87 Difference]: Start difference. First operand 2630 states and 2970 transitions. Second operand 67 states. [2021-02-24 03:47:32,757 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:47:33,549 WARN L202 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:47:33,986 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:47:34,397 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:34,803 WARN L202 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:47:35,217 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:35,666 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:47:36,082 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:36,514 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:47:36,984 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:47:37,450 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:37,933 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:47:38,446 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:47:39,021 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:47:39,538 WARN L202 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:47:40,103 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:47:40,935 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:41,738 WARN L202 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:42,161 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:42,606 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:47:42,990 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:43,421 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:47:43,812 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:47:44,238 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:47:45,195 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:47:45,601 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:47:46,623 WARN L202 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:47:47,167 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:47:47,718 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:47:48,260 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:47:48,779 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:47:49,216 WARN L202 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:47:49,843 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:47:50,390 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:47:51,124 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:47:51,781 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:47:52,381 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:47:52,870 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:47:53,481 WARN L202 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:47:54,054 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:47:54,933 WARN L202 SmtUtils]: Spent 458.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:47:55,512 WARN L202 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:47:56,820 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:47:57,981 WARN L202 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:47:58,487 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:47:59,122 WARN L202 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:47:59,826 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:00,573 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:01,169 WARN L202 SmtUtils]: Spent 464.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:01,705 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:02,218 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:48:02,784 WARN L202 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:03,265 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:03,803 WARN L202 SmtUtils]: Spent 442.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:48:04,327 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:05,153 WARN L202 SmtUtils]: Spent 428.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:05,691 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:06,315 WARN L202 SmtUtils]: Spent 436.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:48:06,747 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:48:07,208 WARN L202 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:07,820 WARN L202 SmtUtils]: Spent 468.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:08,303 WARN L202 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:09,178 WARN L202 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:48:09,752 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:48:12,093 WARN L202 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:13,436 WARN L202 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:48:15,172 WARN L202 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:48:17,012 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:48:17,930 WARN L202 SmtUtils]: Spent 448.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:48:18,654 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:48:19,540 WARN L202 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:48:20,295 WARN L202 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:48:20,802 WARN L202 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:48:22,829 WARN L202 SmtUtils]: Spent 435.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:48:24,124 WARN L202 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2021-02-24 03:48:25,848 WARN L202 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-24 03:48:28,017 WARN L202 SmtUtils]: Spent 437.00 ms on a formula simplification that was a NOOP. DAG size: 224 [2021-02-24 03:48:30,304 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:48:31,899 WARN L202 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:32,630 WARN L202 SmtUtils]: Spent 449.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:33,814 WARN L202 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 216 [2021-02-24 03:48:34,475 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:48:35,101 WARN L202 SmtUtils]: Spent 421.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:48:36,263 WARN L202 SmtUtils]: Spent 865.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 217 [2021-02-24 03:48:37,308 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:48:37,722 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:48:39,593 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:40,014 WARN L202 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:48:41,231 WARN L202 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:41,673 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:48:42,167 WARN L202 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:48:42,983 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:48:44,208 WARN L202 SmtUtils]: Spent 424.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:48:44,819 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:48:45,594 WARN L202 SmtUtils]: Spent 477.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:48:46,565 WARN L202 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:48:47,911 WARN L202 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:48:48,863 WARN L202 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:48:50,111 WARN L202 SmtUtils]: Spent 836.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:48:51,055 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:48:52,885 WARN L202 SmtUtils]: Spent 506.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-02-24 03:48:53,711 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:48:55,033 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-24 03:48:56,079 WARN L202 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:48:57,516 WARN L202 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2021-02-24 03:48:58,300 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:49:01,033 WARN L202 SmtUtils]: Spent 429.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-02-24 03:49:01,769 WARN L202 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:49:04,001 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:49:05,310 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:49:06,083 WARN L202 SmtUtils]: Spent 444.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:49:06,595 WARN L202 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:49:07,008 WARN L202 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:49:07,411 WARN L202 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:49:07,894 WARN L202 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-02-24 03:49:08,327 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:49:09,212 WARN L202 SmtUtils]: Spent 439.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:49:37,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:49:37,300 INFO L93 Difference]: Finished difference Result 10208 states and 13056 transitions. [2021-02-24 03:49:37,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 691 states. [2021-02-24 03:49:37,301 INFO L78 Accepts]: Start accepts. Automaton has 67 states. Word has length 330 [2021-02-24 03:49:37,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:49:37,353 INFO L225 Difference]: With dead ends: 10208 [2021-02-24 03:49:37,354 INFO L226 Difference]: Without dead ends: 7964 [2021-02-24 03:49:37,439 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 986 GetRequests, 223 SyntacticMatches, 6 SemanticMatches, 757 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268532 ImplicationChecksByTransitivity, 90.0s TimeCoverageRelationStatistics Valid=23432, Invalid=551890, Unknown=0, NotChecked=0, Total=575322 [2021-02-24 03:49:37,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7964 states. [2021-02-24 03:49:40,229 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7964 to 5000. [2021-02-24 03:49:40,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5000 states. [2021-02-24 03:49:40,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 5000 states and 5608 transitions. [2021-02-24 03:49:40,244 INFO L78 Accepts]: Start accepts. Automaton has 5000 states and 5608 transitions. Word has length 330 [2021-02-24 03:49:40,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:49:40,245 INFO L480 AbstractCegarLoop]: Abstraction has 5000 states and 5608 transitions. [2021-02-24 03:49:40,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 67 states. [2021-02-24 03:49:40,245 INFO L276 IsEmpty]: Start isEmpty. Operand 5000 states and 5608 transitions. [2021-02-24 03:49:40,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2021-02-24 03:49:40,264 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:49:40,265 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 03:49:40,266 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-02-24 03:49:40,266 INFO L428 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:49:40,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:49:40,266 INFO L82 PathProgramCache]: Analyzing trace with hash 1907405652, now seen corresponding path program 1 times [2021-02-24 03:49:40,267 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:49:40,267 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472505379] [2021-02-24 03:49:40,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:49:40,383 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-24 03:49:40,387 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-24 03:49:40,389 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-24 03:49:40,392 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-24 03:49:40,444 WARN L141 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size [2021-02-24 03:49:40,446 WARN L147 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size 8 [2021-02-24 03:49:40,448 WARN L141 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size [2021-02-24 03:49:40,450 WARN L147 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size 49 [2021-02-24 03:49:40,452 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-24 03:49:40,455 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-24 03:49:40,461 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-24 03:49:40,464 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-24 03:49:40,525 WARN L141 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size [2021-02-24 03:49:40,526 WARN L147 QuantifierPusher]: treesize reduction 35, result has 18.6 percent of original size 8 [2021-02-24 03:49:40,528 WARN L141 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size [2021-02-24 03:49:40,530 WARN L147 QuantifierPusher]: treesize reduction 15, result has 76.6 percent of original size 49 [2021-02-24 03:49:40,531 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-24 03:49:40,533 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-24 03:49:40,537 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-24 03:49:40,540 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-24 03:49:40,595 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-02-24 03:49:40,597 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size 39 [2021-02-24 03:49:40,599 WARN L141 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size [2021-02-24 03:49:40,600 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:49:40,602 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:40,602 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:49:40,604 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:40,605 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-24 03:49:40,606 WARN L147 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size 87 [2021-02-24 03:49:40,608 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-24 03:49:40,610 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-24 03:49:40,617 WARN L141 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size [2021-02-24 03:49:40,619 WARN L147 QuantifierPusher]: treesize reduction 19, result has 82.1 percent of original size 87 [2021-02-24 03:49:40,676 WARN L141 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size [2021-02-24 03:49:40,678 WARN L147 QuantifierPusher]: treesize reduction 4, result has 90.7 percent of original size 39 [2021-02-24 03:49:40,680 WARN L141 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size [2021-02-24 03:49:40,681 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:49:40,684 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:40,684 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:49:40,685 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:40,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-24 03:49:40,689 WARN L147 QuantifierPusher]: treesize reduction 15, result has 85.3 percent of original size 87 [2021-02-24 03:49:40,691 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-24 03:49:40,694 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-24 03:49:40,696 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-24 03:49:40,699 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-24 03:49:40,770 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size [2021-02-24 03:49:40,772 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size 44 [2021-02-24 03:49:40,775 WARN L141 QuantifierPusher]: treesize reduction 21, result has 80.4 percent of original size [2021-02-24 03:49:40,776 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:49:40,777 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:40,777 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:49:40,778 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:40,779 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 03:49:40,780 WARN L147 QuantifierPusher]: treesize reduction 21, result has 80.4 percent of original size 86 [2021-02-24 03:49:40,783 WARN L141 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size [2021-02-24 03:49:40,786 WARN L147 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size 94 [2021-02-24 03:49:40,788 WARN L141 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size [2021-02-24 03:49:40,791 WARN L147 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size 94 [2021-02-24 03:49:40,861 WARN L141 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size [2021-02-24 03:49:40,862 WARN L147 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size 8 [2021-02-24 03:49:40,864 WARN L141 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-02-24 03:49:40,868 WARN L147 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size 43 [2021-02-24 03:49:40,870 WARN L141 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size [2021-02-24 03:49:40,873 WARN L147 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size 94 [2021-02-24 03:49:40,875 WARN L141 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size [2021-02-24 03:49:40,877 WARN L147 QuantifierPusher]: treesize reduction 19, result has 83.2 percent of original size 94 [2021-02-24 03:49:40,947 WARN L141 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size [2021-02-24 03:49:40,949 WARN L147 QuantifierPusher]: treesize reduction 40, result has 16.7 percent of original size 8 [2021-02-24 03:49:40,950 WARN L141 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-02-24 03:49:40,954 WARN L147 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size 43 [2021-02-24 03:49:40,956 WARN L141 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size [2021-02-24 03:49:41,097 WARN L147 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size 90 [2021-02-24 03:49:41,100 WARN L141 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size [2021-02-24 03:49:41,106 WARN L147 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size 90 [2021-02-24 03:49:41,174 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size [2021-02-24 03:49:41,175 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size 42 [2021-02-24 03:49:41,178 WARN L141 QuantifierPusher]: treesize reduction 21, result has 80.0 percent of original size [2021-02-24 03:49:41,180 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:49:41,181 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,181 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:49:41,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 03:49:41,187 WARN L147 QuantifierPusher]: treesize reduction 21, result has 80.0 percent of original size 84 [2021-02-24 03:49:41,190 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-24 03:49:41,193 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-24 03:49:41,196 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-24 03:49:41,199 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-24 03:49:41,264 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:49:41,266 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:49:41,268 WARN L141 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-02-24 03:49:41,273 WARN L147 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size 43 [2021-02-24 03:49:41,275 WARN L141 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size [2021-02-24 03:49:41,278 WARN L147 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size 90 [2021-02-24 03:49:41,281 WARN L141 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size [2021-02-24 03:49:41,284 WARN L147 QuantifierPusher]: treesize reduction 23, result has 79.6 percent of original size 90 [2021-02-24 03:49:41,357 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size [2021-02-24 03:49:41,359 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.3 percent of original size 42 [2021-02-24 03:49:41,363 WARN L141 QuantifierPusher]: treesize reduction 21, result has 80.0 percent of original size [2021-02-24 03:49:41,365 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:49:41,368 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,369 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:49:41,370 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,371 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 47 [2021-02-24 03:49:41,372 WARN L147 QuantifierPusher]: treesize reduction 21, result has 80.0 percent of original size 84 [2021-02-24 03:49:41,374 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-24 03:49:41,382 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-24 03:49:41,386 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-24 03:49:41,395 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-24 03:49:41,471 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:49:41,473 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:49:41,475 WARN L141 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size [2021-02-24 03:49:41,477 WARN L147 QuantifierPusher]: treesize reduction 21, result has 67.2 percent of original size 43 [2021-02-24 03:49:41,482 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-24 03:49:41,488 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-24 03:49:41,491 WARN L141 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size [2021-02-24 03:49:41,494 WARN L147 QuantifierPusher]: treesize reduction 21, result has 81.4 percent of original size 92 [2021-02-24 03:49:41,557 WARN L141 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size [2021-02-24 03:49:41,558 WARN L147 QuantifierPusher]: treesize reduction 4, result has 91.7 percent of original size 44 [2021-02-24 03:49:41,561 WARN L141 QuantifierPusher]: treesize reduction 21, result has 80.4 percent of original size [2021-02-24 03:49:41,562 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:49:41,564 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,564 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:49:41,565 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,567 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 49 [2021-02-24 03:49:41,568 WARN L147 QuantifierPusher]: treesize reduction 21, result has 80.4 percent of original size 86 [2021-02-24 03:49:41,570 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-24 03:49:41,573 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-24 03:49:41,576 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-24 03:49:41,578 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-24 03:49:41,633 WARN L141 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-02-24 03:49:41,634 WARN L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-02-24 03:49:41,637 WARN L141 QuantifierPusher]: treesize reduction 12, result has 88.2 percent of original size [2021-02-24 03:49:41,638 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:49:41,639 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,639 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:49:41,640 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,642 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-24 03:49:41,643 WARN L147 QuantifierPusher]: treesize reduction 12, result has 88.2 percent of original size 90 [2021-02-24 03:49:41,644 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-24 03:49:41,651 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-24 03:49:41,653 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-24 03:49:41,656 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-24 03:49:41,724 WARN L141 QuantifierPusher]: treesize reduction 33, result has 19.5 percent of original size [2021-02-24 03:49:41,725 WARN L147 QuantifierPusher]: treesize reduction 33, result has 19.5 percent of original size 8 [2021-02-24 03:49:41,728 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-24 03:49:41,733 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-24 03:49:41,736 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-24 03:49:41,740 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-24 03:49:41,743 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-24 03:49:41,746 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-24 03:49:41,751 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:49:41,753 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:49:41,755 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-24 03:49:41,758 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-24 03:49:41,760 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-24 03:49:41,763 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-24 03:49:41,765 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-24 03:49:41,768 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-24 03:49:41,773 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:49:41,775 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:49:41,777 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-24 03:49:41,779 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-24 03:49:41,780 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-24 03:49:41,784 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-24 03:49:41,786 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-24 03:49:41,789 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-24 03:49:41,856 WARN L141 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size [2021-02-24 03:49:41,859 WARN L147 QuantifierPusher]: treesize reduction 2, result has 95.1 percent of original size 39 [2021-02-24 03:49:41,862 WARN L141 QuantifierPusher]: treesize reduction 12, result has 88.2 percent of original size [2021-02-24 03:49:41,864 INFO L723 QuantifierPusher]: Distributing 2 conjuncts over 2 disjuncts [2021-02-24 03:49:41,866 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,866 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:49:41,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:49:41,871 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 44 [2021-02-24 03:49:41,872 WARN L147 QuantifierPusher]: treesize reduction 12, result has 88.2 percent of original size 90 [2021-02-24 03:49:41,874 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-24 03:49:41,879 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-24 03:49:41,882 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-24 03:49:41,884 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-24 03:49:41,889 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:49:41,890 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:49:41,892 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-24 03:49:41,894 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-24 03:49:41,896 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-24 03:49:41,900 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-24 03:49:41,903 WARN L141 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size [2021-02-24 03:49:41,907 WARN L147 QuantifierPusher]: treesize reduction 16, result has 85.2 percent of original size 92 [2021-02-24 03:49:41,973 WARN L141 QuantifierPusher]: treesize reduction 33, result has 19.5 percent of original size [2021-02-24 03:49:41,976 WARN L147 QuantifierPusher]: treesize reduction 33, result has 19.5 percent of original size 8 [2021-02-24 03:49:41,978 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-24 03:49:41,981 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-24 03:49:41,983 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-24 03:49:41,991 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-24 03:49:41,993 WARN L141 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size [2021-02-24 03:49:41,996 WARN L147 QuantifierPusher]: treesize reduction 18, result has 83.3 percent of original size 90 [2021-02-24 03:49:42,001 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:49:42,002 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:49:42,005 WARN L141 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size [2021-02-24 03:49:42,007 WARN L147 QuantifierPusher]: treesize reduction 12, result has 82.1 percent of original size 55 [2021-02-24 03:49:42,007 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 03:49:42,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 03:49:42,112 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 03:49:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-02-24 03:49:42,209 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-02-24 03:49:42,535 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2021-02-24 03:49:42,535 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-02-24 03:49:42,537 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-02-24 03:49:42,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.02 03:49:42 BoogieIcfgContainer [2021-02-24 03:49:42,587 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-02-24 03:49:42,589 INFO L168 Benchmark]: Toolchain (without parser) took 199850.73 ms. Allocated memory was 174.1 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 149.1 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 413.7 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:42,589 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 174.1 MB. Free memory is still 147.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:49:42,589 INFO L168 Benchmark]: CACSL2BoogieTranslator took 574.71 ms. Allocated memory is still 174.1 MB. Free memory was 147.8 MB in the beginning and 126.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:42,589 INFO L168 Benchmark]: Boogie Preprocessor took 136.21 ms. Allocated memory is still 174.1 MB. Free memory was 126.0 MB in the beginning and 122.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:42,590 INFO L168 Benchmark]: RCFGBuilder took 1274.59 ms. Allocated memory was 174.1 MB in the beginning and 211.8 MB in the end (delta: 37.7 MB). Free memory was 122.1 MB in the beginning and 141.2 MB in the end (delta: -19.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:42,590 INFO L168 Benchmark]: TraceAbstraction took 197846.88 ms. Allocated memory was 211.8 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 141.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 367.7 MB. Max. memory is 8.0 GB. [2021-02-24 03:49:42,591 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 174.1 MB. Free memory is still 147.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 574.71 ms. Allocated memory is still 174.1 MB. Free memory was 147.8 MB in the beginning and 126.0 MB in the end (delta: 21.8 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 136.21 ms. Allocated memory is still 174.1 MB. Free memory was 126.0 MB in the beginning and 122.1 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1274.59 ms. Allocated memory was 174.1 MB in the beginning and 211.8 MB in the end (delta: 37.7 MB). Free memory was 122.1 MB in the beginning and 141.2 MB in the end (delta: -19.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 197846.88 ms. Allocated memory was 211.8 MB in the beginning and 1.7 GB in the end (delta: 1.5 GB). Free memory was 141.2 MB in the beginning and 1.3 GB in the end (delta: -1.1 GB). Peak memory consumption was 367.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 412]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L500] int pumpRunning = 0; [L501] int systemActive = 1; [L724] int waterLevel = 1; [L725] int methaneLevelCritical = 0; [L818] int cleanupTimeShifts = 4; [L919] int switchedOnBeforeTS ; [L896] int retValue_acc ; [L897] int tmp ; [L901] FCALL select_helpers() [L902] FCALL select_features() [L903] CALL, EXPR valid_product() [L994] int retValue_acc ; [L997] retValue_acc = 1 [L998] return (retValue_acc); [L903] RET, EXPR valid_product() [L903] tmp = valid_product() [L905] COND TRUE \read(tmp) [L907] FCALL setup() [L908] CALL runTest() [L886] CALL __utac_acc__Specification5_spec__1() [L924] switchedOnBeforeTS = 0 [L886] RET __utac_acc__Specification5_spec__1() [L887] CALL test() [L424] int splverifierCounter ; [L425] int tmp ; [L426] int tmp___0 ; [L427] int tmp___1 ; [L428] int tmp___2 ; [L431] splverifierCounter = 0 [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp) [L445] CALL waterRise() [L742] COND TRUE waterLevel < 2 [L743] waterLevel = waterLevel + 1 [L445] RET waterRise() [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L510] CALL __utac_acc__Specification5_spec__2() [L933] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L933] RET, EXPR isPumpRunning() [L933] switchedOnBeforeTS = isPumpRunning() [L510] RET __utac_acc__Specification5_spec__2() [L512] COND FALSE !(\read(pumpRunning)) [L519] COND TRUE \read(systemActive) [L521] CALL processEnvironment() [L567] int tmp ; [L570] COND FALSE !(\read(pumpRunning)) [L585] CALL processEnvironment__wrappee__methaneQuery() [L541] int tmp ; [L544] COND TRUE ! pumpRunning [L546] CALL, EXPR isHighWaterLevel() [L681] int retValue_acc ; [L682] int tmp ; [L683] int tmp___0 ; [L687] CALL, EXPR isHighWaterSensorDry() [L804] int retValue_acc ; [L807] COND FALSE !(waterLevel < 2) [L811] retValue_acc = 0 [L812] return (retValue_acc); [L687] RET, EXPR isHighWaterSensorDry() [L687] tmp = isHighWaterSensorDry() [L689] COND FALSE !(\read(tmp)) [L692] tmp___0 = 1 [L694] retValue_acc = tmp___0 [L695] return (retValue_acc); [L546] RET, EXPR isHighWaterLevel() [L546] tmp = isHighWaterLevel() [L548] COND TRUE \read(tmp) [L550] CALL activatePump() [L600] int tmp ; [L604] CALL, EXPR isMethaneAlarm() [L625] int retValue_acc ; [L629] CALL, EXPR isMethaneLevelCritical() [L763] int retValue_acc ; [L766] retValue_acc = methaneLevelCritical [L767] return (retValue_acc); [L629] RET, EXPR isMethaneLevelCritical() [L629] retValue_acc = isMethaneLevelCritical() [L631] return (retValue_acc); [L604] RET, EXPR isMethaneAlarm() [L604] tmp = isMethaneAlarm() [L606] COND FALSE !(\read(tmp)) [L610] CALL activatePump__wrappee__highWaterSensor() [L595] pumpRunning = 1 [L610] RET activatePump__wrappee__highWaterSensor() [L550] RET activatePump() [L585] RET processEnvironment__wrappee__methaneQuery() [L521] RET processEnvironment() [L527] CALL __utac_acc__Specification5_spec__3() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR getWaterLevel() [L795] int retValue_acc ; [L798] retValue_acc = waterLevel [L799] return (retValue_acc); [L944] RET, EXPR getWaterLevel() [L944] tmp = getWaterLevel() [L946] COND FALSE !(tmp != 2) [L527] RET __utac_acc__Specification5_spec__3() [L480] RET timeShift() [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L510] CALL __utac_acc__Specification5_spec__2() [L933] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L933] RET, EXPR isPumpRunning() [L933] switchedOnBeforeTS = isPumpRunning() [L510] RET __utac_acc__Specification5_spec__2() [L512] COND TRUE \read(pumpRunning) [L514] CALL lowerWaterLevel() [L730] COND TRUE waterLevel > 0 [L731] waterLevel = waterLevel - 1 [L514] RET lowerWaterLevel() [L519] COND TRUE \read(systemActive) [L521] CALL processEnvironment() [L567] int tmp ; [L570] COND TRUE \read(pumpRunning) [L572] CALL, EXPR isMethaneAlarm() [L625] int retValue_acc ; [L629] CALL, EXPR isMethaneLevelCritical() [L763] int retValue_acc ; [L766] retValue_acc = methaneLevelCritical [L767] return (retValue_acc); [L629] RET, EXPR isMethaneLevelCritical() [L629] retValue_acc = isMethaneLevelCritical() [L631] return (retValue_acc); [L572] RET, EXPR isMethaneAlarm() [L572] tmp = isMethaneAlarm() [L574] COND FALSE !(\read(tmp)) [L580] CALL processEnvironment__wrappee__methaneQuery() [L541] int tmp ; [L544] COND FALSE !(! pumpRunning) [L559] FCALL processEnvironment__wrappee__base() [L580] RET processEnvironment__wrappee__methaneQuery() [L521] RET processEnvironment() [L527] CALL __utac_acc__Specification5_spec__3() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR getWaterLevel() [L795] int retValue_acc ; [L798] retValue_acc = waterLevel [L799] return (retValue_acc); [L944] RET, EXPR getWaterLevel() [L944] tmp = getWaterLevel() [L946] COND FALSE !(tmp != 2) [L527] RET __utac_acc__Specification5_spec__3() [L480] RET timeShift() [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND FALSE !(\read(tmp)) [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L510] CALL __utac_acc__Specification5_spec__2() [L933] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L933] RET, EXPR isPumpRunning() [L933] switchedOnBeforeTS = isPumpRunning() [L510] RET __utac_acc__Specification5_spec__2() [L512] COND TRUE \read(pumpRunning) [L514] CALL lowerWaterLevel() [L730] COND TRUE waterLevel > 0 [L731] waterLevel = waterLevel - 1 [L514] RET lowerWaterLevel() [L519] COND TRUE \read(systemActive) [L521] CALL processEnvironment() [L567] int tmp ; [L570] COND TRUE \read(pumpRunning) [L572] CALL, EXPR isMethaneAlarm() [L625] int retValue_acc ; [L629] CALL, EXPR isMethaneLevelCritical() [L763] int retValue_acc ; [L766] retValue_acc = methaneLevelCritical [L767] return (retValue_acc); [L629] RET, EXPR isMethaneLevelCritical() [L629] retValue_acc = isMethaneLevelCritical() [L631] return (retValue_acc); [L572] RET, EXPR isMethaneAlarm() [L572] tmp = isMethaneAlarm() [L574] COND TRUE \read(tmp) [L576] CALL deactivatePump() [L620] pumpRunning = 0 [L576] RET deactivatePump() [L521] RET processEnvironment() [L527] CALL __utac_acc__Specification5_spec__3() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR getWaterLevel() [L795] int retValue_acc ; [L798] retValue_acc = waterLevel [L799] return (retValue_acc); [L944] RET, EXPR getWaterLevel() [L944] tmp = getWaterLevel() [L946] COND FALSE !(tmp != 2) [L527] RET __utac_acc__Specification5_spec__3() [L480] RET timeShift() [L433] COND TRUE 1 [L435] COND TRUE splverifierCounter < 4 [L441] tmp = __VERIFIER_nondet_int() [L443] COND TRUE \read(tmp) [L445] CALL waterRise() [L742] COND FALSE !(waterLevel < 2) [L445] RET waterRise() [L451] tmp___0 = __VERIFIER_nondet_int() [L453] COND FALSE !(\read(tmp___0)) [L461] tmp___2 = __VERIFIER_nondet_int() [L463] COND FALSE !(\read(tmp___2)) [L469] tmp___1 = __VERIFIER_nondet_int() [L471] COND FALSE !(\read(tmp___1)) [L480] CALL timeShift() [L510] CALL __utac_acc__Specification5_spec__2() [L933] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L933] RET, EXPR isPumpRunning() [L933] switchedOnBeforeTS = isPumpRunning() [L510] RET __utac_acc__Specification5_spec__2() [L512] COND FALSE !(\read(pumpRunning)) [L519] COND TRUE \read(systemActive) [L521] CALL processEnvironment() [L567] int tmp ; [L570] COND FALSE !(\read(pumpRunning)) [L585] CALL processEnvironment__wrappee__methaneQuery() [L541] int tmp ; [L544] COND TRUE ! pumpRunning [L546] CALL, EXPR isHighWaterLevel() [L681] int retValue_acc ; [L682] int tmp ; [L683] int tmp___0 ; [L687] CALL, EXPR isHighWaterSensorDry() [L804] int retValue_acc ; [L807] COND FALSE !(waterLevel < 2) [L811] retValue_acc = 0 [L812] return (retValue_acc); [L687] RET, EXPR isHighWaterSensorDry() [L687] tmp = isHighWaterSensorDry() [L689] COND FALSE !(\read(tmp)) [L692] tmp___0 = 1 [L694] retValue_acc = tmp___0 [L695] return (retValue_acc); [L546] RET, EXPR isHighWaterLevel() [L546] tmp = isHighWaterLevel() [L548] COND TRUE \read(tmp) [L550] CALL activatePump() [L600] int tmp ; [L604] CALL, EXPR isMethaneAlarm() [L625] int retValue_acc ; [L629] CALL, EXPR isMethaneLevelCritical() [L763] int retValue_acc ; [L766] retValue_acc = methaneLevelCritical [L767] return (retValue_acc); [L629] RET, EXPR isMethaneLevelCritical() [L629] retValue_acc = isMethaneLevelCritical() [L631] return (retValue_acc); [L604] RET, EXPR isMethaneAlarm() [L604] tmp = isMethaneAlarm() [L606] COND FALSE !(\read(tmp)) [L610] CALL activatePump__wrappee__highWaterSensor() [L595] pumpRunning = 1 [L610] RET activatePump__wrappee__highWaterSensor() [L550] RET activatePump() [L585] RET processEnvironment__wrappee__methaneQuery() [L521] RET processEnvironment() [L527] CALL __utac_acc__Specification5_spec__3() [L939] int tmp ; [L940] int tmp___0 ; [L944] CALL, EXPR getWaterLevel() [L795] int retValue_acc ; [L798] retValue_acc = waterLevel [L799] return (retValue_acc); [L944] RET, EXPR getWaterLevel() [L944] tmp = getWaterLevel() [L946] COND TRUE tmp != 2 [L948] CALL, EXPR isPumpRunning() [L636] int retValue_acc ; [L639] retValue_acc = pumpRunning [L640] return (retValue_acc); [L948] RET, EXPR isPumpRunning() [L948] tmp___0 = isPumpRunning() [L950] COND TRUE \read(tmp___0) [L951] COND TRUE ! switchedOnBeforeTS [L953] CALL __automaton_fail() [L412] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 44 procedures, 659 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 197.7s, OverallIterations: 10, TraceHistogramMax: 5, AutomataDifference: 177.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 3126 SDtfs, 10935 SDslu, 10225 SDs, 0 SdLazy, 35791 SolverSat, 6936 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 48.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1463 GetRequests, 515 SyntacticMatches, 9 SemanticMatches, 939 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270251 ImplicationChecksByTransitivity, 115.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5000occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 6.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 4631 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...