/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_spec4_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:39:22,794 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:39:22,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:39:22,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:39:22,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:39:22,858 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:39:22,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:39:22,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:39:22,868 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:39:22,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:39:22,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:39:22,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:39:22,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:39:22,881 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:39:22,883 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:39:22,885 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:39:22,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:39:22,902 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:39:22,905 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:39:22,910 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:39:22,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:39:22,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:39:22,918 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:39:22,919 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:39:22,929 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:39:22,930 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:39:22,932 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:39:22,933 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:39:22,934 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:39:22,935 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:39:22,938 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:39:22,939 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:39:22,940 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:39:22,942 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:39:22,944 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:39:22,944 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:39:22,945 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:39:22,945 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:39:22,946 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:39:22,946 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:39:22,947 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:39:22,948 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 03:39:22,973 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:39:22,973 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:39:22,976 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:39:22,976 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:39:22,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:39:22,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:39:22,977 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:39:22,977 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:39:22,977 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:39:22,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:39:22,978 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:39:22,980 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:39:22,980 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:39:22,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:39:22,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:39:22,981 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:39:22,981 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:39:22,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:39:22,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:39:22,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:39:22,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:39:22,982 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:39:22,982 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:39:22,983 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:39:23,373 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:39:23,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:39:23,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:39:23,407 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:39:23,408 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:39:23,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2021-02-24 03:39:23,489 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb4087ac/96f47ff4ae25489baac6db76823d07c6/FLAG4a2204e73 [2021-02-24 03:39:24,219 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:39:24,219 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product58.cil.c [2021-02-24 03:39:24,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb4087ac/96f47ff4ae25489baac6db76823d07c6/FLAG4a2204e73 [2021-02-24 03:39:24,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7eb4087ac/96f47ff4ae25489baac6db76823d07c6 [2021-02-24 03:39:24,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:39:24,529 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:39:24,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:39:24,532 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:39:24,536 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:39:24,537 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:39:24" (1/1) ... [2021-02-24 03:39:24,539 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418464a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:24, skipping insertion in model container [2021-02-24 03:39:24,539 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:39:24" (1/1) ... [2021-02-24 03:39:24,548 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:39:24,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:39:24,929 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_spec4_product58.cil.c[11394,11407] [2021-02-24 03:39:24,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:39:24,997 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:39:25,056 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_spec4_product58.cil.c[11394,11407] [2021-02-24 03:39:25,111 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:39:25,168 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:39:25,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25 WrapperNode [2021-02-24 03:39:25,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:39:25,171 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:39:25,171 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:39:25,171 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:39:25,187 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25" (1/1) ... [2021-02-24 03:39:25,187 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25" (1/1) ... [2021-02-24 03:39:25,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25" (1/1) ... [2021-02-24 03:39:25,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25" (1/1) ... [2021-02-24 03:39:25,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25" (1/1) ... [2021-02-24 03:39:25,316 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25" (1/1) ... [2021-02-24 03:39:25,326 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25" (1/1) ... [2021-02-24 03:39:25,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:39:25,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:39:25,346 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:39:25,346 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:39:25,346 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25" (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 03:39:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:39:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:39:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:39:25,516 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:39:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:39:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:39:25,517 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:39:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:39:25,518 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:39:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:39:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2021-02-24 03:39:25,519 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:39:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-24 03:39:25,520 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-24 03:39:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-24 03:39:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-24 03:39:25,521 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-24 03:39:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-24 03:39:25,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-24 03:39:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2021-02-24 03:39:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-24 03:39:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-24 03:39:25,526 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-24 03:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:39:25,527 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-24 03:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-24 03:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-24 03:39:25,528 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2021-02-24 03:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-24 03:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-24 03:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-24 03:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-24 03:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-24 03:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-24 03:39:25,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2021-02-24 03:39:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-24 03:39:25,530 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:39:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:39:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:39:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:39:25,530 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:39:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:39:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:39:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:39:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:39:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:39:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:39:25,531 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:39:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:39:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:39:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:39:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:39:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:39:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:39:25,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:39:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:39:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:39:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:39:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:39:25,533 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-24 03:39:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-24 03:39:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2021-02-24 03:39:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-24 03:39:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-24 03:39:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-24 03:39:25,534 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-24 03:39:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-24 03:39:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-24 03:39:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2021-02-24 03:39:25,535 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-24 03:39:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-24 03:39:25,536 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-24 03:39:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-24 03:39:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:39:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:39:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-24 03:39:25,537 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:39:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:39:25,538 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:39:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:39:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:39:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-24 03:39:25,539 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-24 03:39:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-24 03:39:25,540 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-24 03:39:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-24 03:39:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-24 03:39:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2021-02-24 03:39:25,541 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2021-02-24 03:39:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2021-02-24 03:39:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-24 03:39:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:39:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:39:25,542 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:39:27,091 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:39:27,092 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 03:39:27,096 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:39:27 BoogieIcfgContainer [2021-02-24 03:39:27,096 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:39:27,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:39:27,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:39:27,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:39:27,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:39:24" (1/3) ... [2021-02-24 03:39:27,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345aed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:39:27, skipping insertion in model container [2021-02-24 03:39:27,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:39:25" (2/3) ... [2021-02-24 03:39:27,105 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@345aed0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:39:27, skipping insertion in model container [2021-02-24 03:39:27,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:39:27" (3/3) ... [2021-02-24 03:39:27,107 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product58.cil.c [2021-02-24 03:39:27,114 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:39:27,120 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:39:27,139 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:39:27,171 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:39:27,172 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:39:27,172 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:39:27,172 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:39:27,172 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:39:27,172 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:39:27,172 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:39:27,173 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:39:27,196 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states. [2021-02-24 03:39:27,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-24 03:39:27,217 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:39:27,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:39:27,219 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:39:27,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:39:27,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1556435048, now seen corresponding path program 1 times [2021-02-24 03:39:27,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:39:27,238 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1454790034] [2021-02-24 03:39:27,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:39:27,311 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:39:27,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:27,687 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:27,688 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:27,689 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:27,690 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:28,090 WARN L202 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:39:28,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:39:28,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:28,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:28,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:28,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:39:28,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:28,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:28,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:28,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:39:28,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:28,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:28,254 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:28,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:39:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:28,262 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:28,264 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:39:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:28,273 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:28,274 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:28,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-24 03:39:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:28,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:28,278 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:28,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-24 03:39:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:28,281 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:28,282 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:28,337 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 03:39:28,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1454790034] [2021-02-24 03:39:28,341 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:39:28,341 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 03:39:28,342 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664696124] [2021-02-24 03:39:28,350 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 03:39:28,350 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:39:28,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 03:39:28,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 03:39:28,369 INFO L87 Difference]: Start difference. First operand 344 states. Second operand 3 states. [2021-02-24 03:39:30,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:39:30,374 INFO L93 Difference]: Finished difference Result 550 states and 644 transitions. [2021-02-24 03:39:30,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 03:39:30,378 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-02-24 03:39:30,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:39:30,414 INFO L225 Difference]: With dead ends: 550 [2021-02-24 03:39:30,414 INFO L226 Difference]: Without dead ends: 336 [2021-02-24 03:39:30,420 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 03:39:30,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2021-02-24 03:39:30,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 292. [2021-02-24 03:39:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 292 states. [2021-02-24 03:39:30,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 315 transitions. [2021-02-24 03:39:30,611 INFO L78 Accepts]: Start accepts. Automaton has 292 states and 315 transitions. Word has length 147 [2021-02-24 03:39:30,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:39:30,612 INFO L480 AbstractCegarLoop]: Abstraction has 292 states and 315 transitions. [2021-02-24 03:39:30,612 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 03:39:30,612 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 315 transitions. [2021-02-24 03:39:30,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-24 03:39:30,617 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:39:30,617 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:39:30,618 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:39:30,618 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:39:30,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:39:30,619 INFO L82 PathProgramCache]: Analyzing trace with hash 102353542, now seen corresponding path program 1 times [2021-02-24 03:39:30,619 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:39:30,619 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709301146] [2021-02-24 03:39:30,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:39:30,624 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:39:30,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:30,717 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:30,717 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:30,718 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:30,719 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:30,723 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:30,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:31,042 WARN L202 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:39:31,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:39:31,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:31,086 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:31,087 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:31,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:39:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:31,094 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:31,095 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:31,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:39:31,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:31,098 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:31,099 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:31,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:39:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:31,103 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:31,104 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:31,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:39:31,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:31,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:31,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:31,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:39:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:31,110 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:31,110 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:31,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:39:31,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:31,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:31,114 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:31,143 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 03:39:31,144 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709301146] [2021-02-24 03:39:31,144 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:39:31,144 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 03:39:31,145 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802526154] [2021-02-24 03:39:31,146 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 03:39:31,146 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:39:31,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 03:39:31,147 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:39:31,147 INFO L87 Difference]: Start difference. First operand 292 states and 315 transitions. Second operand 4 states. [2021-02-24 03:39:31,854 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:39:33,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:39:33,154 INFO L93 Difference]: Finished difference Result 462 states and 514 transitions. [2021-02-24 03:39:33,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 03:39:33,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-02-24 03:39:33,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:39:33,159 INFO L225 Difference]: With dead ends: 462 [2021-02-24 03:39:33,159 INFO L226 Difference]: Without dead ends: 319 [2021-02-24 03:39:33,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 03:39:33,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2021-02-24 03:39:33,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 282. [2021-02-24 03:39:33,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-02-24 03:39:33,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 302 transitions. [2021-02-24 03:39:33,272 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 302 transitions. Word has length 148 [2021-02-24 03:39:33,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:39:33,272 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 302 transitions. [2021-02-24 03:39:33,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 03:39:33,273 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 302 transitions. [2021-02-24 03:39:33,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-02-24 03:39:33,275 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:39:33,276 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:39:33,276 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:39:33,276 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:39:33,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:39:33,277 INFO L82 PathProgramCache]: Analyzing trace with hash -30124071, now seen corresponding path program 1 times [2021-02-24 03:39:33,277 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:39:33,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1852764088] [2021-02-24 03:39:33,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:39:33,281 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:39:33,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:33,378 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,379 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,380 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:33,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:33,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,388 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:39:33,395 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,396 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,718 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:39:33,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:39:33,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:33,757 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,758 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:39:33,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:33,765 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,765 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:39:33,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:33,768 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,768 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:39:33,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:33,775 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,776 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,784 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,784 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:33,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,798 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:33,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:39:33,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:33,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,833 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-24 03:39:33,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:33,850 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:33,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:39:33,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:33,865 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,865 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-24 03:39:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:33,869 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:33,870 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:33,904 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 03:39:33,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1852764088] [2021-02-24 03:39:33,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:39:33,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-24 03:39:33,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89121259] [2021-02-24 03:39:33,906 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 03:39:33,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:39:33,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 03:39:33,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-24 03:39:33,907 INFO L87 Difference]: Start difference. First operand 282 states and 302 transitions. Second operand 10 states. [2021-02-24 03:39:34,587 WARN L202 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:39:35,031 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:39:35,398 WARN L202 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:39:35,811 WARN L202 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:36,178 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:36,565 WARN L202 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:38,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:39:38,612 INFO L93 Difference]: Finished difference Result 508 states and 576 transitions. [2021-02-24 03:39:38,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 03:39:38,613 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2021-02-24 03:39:38,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:39:38,617 INFO L225 Difference]: With dead ends: 508 [2021-02-24 03:39:38,618 INFO L226 Difference]: Without dead ends: 341 [2021-02-24 03:39:38,620 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-02-24 03:39:38,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2021-02-24 03:39:38,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 282. [2021-02-24 03:39:38,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 282 states. [2021-02-24 03:39:38,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 301 transitions. [2021-02-24 03:39:38,752 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 301 transitions. Word has length 161 [2021-02-24 03:39:38,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:39:38,753 INFO L480 AbstractCegarLoop]: Abstraction has 282 states and 301 transitions. [2021-02-24 03:39:38,753 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 03:39:38,753 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 301 transitions. [2021-02-24 03:39:38,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-02-24 03:39:38,756 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:39:38,757 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:39:38,757 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:39:38,757 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:39:38,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:39:38,758 INFO L82 PathProgramCache]: Analyzing trace with hash -689326448, now seen corresponding path program 1 times [2021-02-24 03:39:38,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:39:38,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1108075174] [2021-02-24 03:39:38,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:39:38,762 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:39:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:38,833 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:38,834 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:38,837 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:38,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:38,838 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:38,838 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:38,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:38,839 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:38,840 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:38,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:38,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:38,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,140 WARN L202 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:39:39,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:39:39,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,204 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,207 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,207 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:39:39,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,217 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,220 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:39:39,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,225 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,235 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:39:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:39:39,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-24 03:39:39,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,259 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,260 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:39:39,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,276 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:39,277 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,277 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:39:39,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:39,284 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,285 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:39:39,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:39:39,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,299 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,300 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-24 03:39:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-02-24 03:39:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:39,307 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:39,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:39,368 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 03:39:39,369 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1108075174] [2021-02-24 03:39:39,369 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:39:39,369 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 03:39:39,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732605099] [2021-02-24 03:39:39,370 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 03:39:39,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:39:39,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 03:39:39,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-24 03:39:39,371 INFO L87 Difference]: Start difference. First operand 282 states and 301 transitions. Second operand 7 states. [2021-02-24 03:39:40,104 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:39:42,050 WARN L202 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:39:43,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:39:43,134 INFO L93 Difference]: Finished difference Result 688 states and 806 transitions. [2021-02-24 03:39:43,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 03:39:43,135 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2021-02-24 03:39:43,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:39:43,139 INFO L225 Difference]: With dead ends: 688 [2021-02-24 03:39:43,140 INFO L226 Difference]: Without dead ends: 521 [2021-02-24 03:39:43,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:39:43,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2021-02-24 03:39:43,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 394. [2021-02-24 03:39:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 394 states. [2021-02-24 03:39:43,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 394 states to 394 states and 422 transitions. [2021-02-24 03:39:43,346 INFO L78 Accepts]: Start accepts. Automaton has 394 states and 422 transitions. Word has length 174 [2021-02-24 03:39:43,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:39:43,347 INFO L480 AbstractCegarLoop]: Abstraction has 394 states and 422 transitions. [2021-02-24 03:39:43,347 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 03:39:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 422 transitions. [2021-02-24 03:39:43,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-02-24 03:39:43,350 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:39:43,350 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:39:43,350 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:39:43,351 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:39:43,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:39:43,351 INFO L82 PathProgramCache]: Analyzing trace with hash 431480062, now seen corresponding path program 1 times [2021-02-24 03:39:43,351 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:39:43,352 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1281061111] [2021-02-24 03:39:43,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:39:43,355 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:39:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,424 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:43,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:43,429 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:43,433 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,434 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:43,439 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,439 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:39:43,448 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:39:43,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,449 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:39:43,450 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:39:43,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:39:43,459 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,459 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:39:43,467 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,467 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,794 WARN L202 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:39:43,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:39:43,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,840 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,841 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:39:43,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:39:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,849 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,850 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:39:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,852 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,853 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:39:43,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,860 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,861 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,862 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,863 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:43,882 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-24 03:39:43,884 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-24 03:39:43,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:39:43,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,904 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,905 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-24 03:39:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,922 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:39:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,944 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,945 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:39:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,950 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,950 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:39:43,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,957 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,958 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:39:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,961 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,962 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:39:43,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,964 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,965 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-02-24 03:39:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:43,971 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,971 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:43,972 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,972 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:43,987 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:43,987 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:44,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-02-24 03:39:44,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:44,006 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:44,006 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:44,070 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 03:39:44,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1281061111] [2021-02-24 03:39:44,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:39:44,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-24 03:39:44,072 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1421826569] [2021-02-24 03:39:44,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-24 03:39:44,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:39:44,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-24 03:39:44,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:39:44,073 INFO L87 Difference]: Start difference. First operand 394 states and 422 transitions. Second operand 15 states. [2021-02-24 03:39:44,731 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:39:45,209 WARN L202 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:39:45,633 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:39:46,000 WARN L202 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:46,370 WARN L202 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:46,734 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:47,509 WARN L202 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:39:48,951 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:49,331 WARN L202 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:49,767 WARN L202 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:50,179 WARN L202 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:39:50,534 WARN L202 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:39:50,899 WARN L202 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:51,263 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:39:51,723 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:52,168 WARN L202 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:39:52,592 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:55,090 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:39:55,489 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:56,120 WARN L202 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:57,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:39:57,509 INFO L93 Difference]: Finished difference Result 1393 states and 1730 transitions. [2021-02-24 03:39:57,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-24 03:39:57,510 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 198 [2021-02-24 03:39:57,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:39:57,519 INFO L225 Difference]: With dead ends: 1393 [2021-02-24 03:39:57,519 INFO L226 Difference]: Without dead ends: 1114 [2021-02-24 03:39:57,522 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 348 ImplicationChecksByTransitivity, 7.5s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2021-02-24 03:39:57,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2021-02-24 03:39:57,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 815. [2021-02-24 03:39:57,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2021-02-24 03:39:57,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 899 transitions. [2021-02-24 03:39:57,938 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 899 transitions. Word has length 198 [2021-02-24 03:39:57,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:39:57,939 INFO L480 AbstractCegarLoop]: Abstraction has 815 states and 899 transitions. [2021-02-24 03:39:57,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-24 03:39:57,939 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 899 transitions. [2021-02-24 03:39:57,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-02-24 03:39:57,946 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:39:57,946 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-02-24 03:39:57,947 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:39:57,947 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:39:57,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:39:57,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1040636898, now seen corresponding path program 1 times [2021-02-24 03:39:57,948 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:39:57,948 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [181481262] [2021-02-24 03:39:57,948 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:39:58,025 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:58,048 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:58,057 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:58,062 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:58,115 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:58,127 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:58,131 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,134 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,137 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-24 03:39:58,142 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-24 03:39:58,146 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-24 03:39:58,151 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-24 03:39:58,189 WARN L141 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size [2021-02-24 03:39:58,194 INFO L723 QuantifierPusher]: Distributing 8 disjuncts over 3 conjuncts [2021-02-24 03:39:58,200 INFO L730 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:58,201 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:58,204 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:58,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 91 [2021-02-24 03:39:58,216 WARN L147 QuantifierPusher]: treesize reduction 4, result has 89.7 percent of original size 35 [2021-02-24 03:39:58,223 WARN L141 QuantifierPusher]: treesize reduction 14, result has 87.7 percent of original size [2021-02-24 03:39:58,228 WARN L147 QuantifierPusher]: treesize reduction 14, result has 87.7 percent of original size 100 [2021-02-24 03:39:58,230 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,231 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,233 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,234 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,236 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:58,238 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:58,240 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,242 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,244 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,245 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,247 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,247 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,249 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:58,251 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:58,253 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,255 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,258 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:58,262 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:58,265 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:58,270 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:58,315 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:58,316 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:58,318 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,320 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,322 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,323 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,325 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,325 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,327 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:58,329 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:58,331 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,333 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,335 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-24 03:39:58,339 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-24 03:39:58,342 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-24 03:39:58,346 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-24 03:39:58,384 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-24 03:39:58,385 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-24 03:39:58,388 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,390 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,391 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,392 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,394 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,394 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,396 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:58,398 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:58,400 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,402 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,403 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,404 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,406 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,406 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,409 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:58,410 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:58,412 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,414 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,416 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,416 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,418 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,418 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,420 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:58,422 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:58,424 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,426 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,428 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:58,432 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:58,434 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:58,438 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:58,481 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:58,483 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:58,485 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,486 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,488 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,489 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,490 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,491 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,493 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:58,494 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:58,497 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,498 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,501 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-24 03:39:58,504 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-24 03:39:58,507 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-24 03:39:58,510 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-24 03:39:58,547 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-24 03:39:58,548 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-24 03:39:58,550 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,552 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,554 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:58,558 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:58,560 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:58,564 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:58,607 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:58,608 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:58,610 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,612 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,613 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,614 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,616 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:58,616 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:58,618 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:58,619 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:58,621 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,623 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,625 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-24 03:39:58,628 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-24 03:39:58,630 WARN L141 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size [2021-02-24 03:39:58,633 WARN L147 QuantifierPusher]: treesize reduction 14, result has 82.7 percent of original size 67 [2021-02-24 03:39:58,670 WARN L141 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size [2021-02-24 03:39:58,671 WARN L147 QuantifierPusher]: treesize reduction 31, result has 20.5 percent of original size 8 [2021-02-24 03:39:58,673 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:58,675 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:58,675 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 03:39:58,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:58,780 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:58,781 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:58,781 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:58,782 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:58,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:58,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:58,787 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:58,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:58,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:58,792 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:58,797 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:58,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,083 WARN L202 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:39:59,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:39:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,113 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:39:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,121 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,121 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:39:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,125 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,126 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:39:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,128 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,129 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:39:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,131 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,131 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-24 03:39:59,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,143 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,143 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-02-24 03:39:59,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,156 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-02-24 03:39:59,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,175 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:59,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:39:59,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,185 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:59,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:39:59,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,212 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:39:59,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,216 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,217 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:39:59,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,220 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,221 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-02-24 03:39:59,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,252 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-24 03:39:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:59,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,257 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,257 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:59,269 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,276 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:59,358 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 03:39:59,364 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,366 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,367 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,370 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,373 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,378 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,379 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,383 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 60 [2021-02-24 03:39:59,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 93 [2021-02-24 03:39:59,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,386 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,389 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,390 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,392 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,393 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,394 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,395 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,396 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,400 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,400 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,401 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,403 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,405 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,406 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,407 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,407 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,408 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,408 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,411 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,411 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,412 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,413 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,414 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,416 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,417 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,418 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,420 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,421 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,421 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,422 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,423 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,424 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,425 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:59,426 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:59,427 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,428 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:59,428 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,429 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:59,442 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,442 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:39:59,461 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,462 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:39:59,484 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,485 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:59,506 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,507 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:59,534 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,536 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,536 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,537 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:59,538 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,539 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,539 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:59,540 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:39:59,568 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,568 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:59,569 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,570 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:59,599 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,601 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:39:59,643 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,644 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:59,646 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,647 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,648 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,648 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:59,649 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,650 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,650 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:59,651 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:39:59,693 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,695 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:39:59,722 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,723 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:39:59,755 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,756 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:59,785 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-24 03:39:59,785 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-24 03:39:59,811 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,811 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:39:59,843 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,843 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:39:59,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:59,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:59,949 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,951 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:59,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:59,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:39:59,994 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,995 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:59,996 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:59,996 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:40:00,042 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,043 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:40:00,044 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,045 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:40:00,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,047 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:40:00,049 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:40:00,099 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,100 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:40:00,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:40:00,141 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,141 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,179 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-24 03:40:00,180 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-24 03:40:00,183 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:40:00,227 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,227 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,228 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,229 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,229 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,230 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,231 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,232 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:40:00,233 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,234 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,235 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,239 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,242 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,243 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,244 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,245 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,246 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,246 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,247 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,247 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,248 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,248 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,249 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,249 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,250 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,250 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,251 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,251 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,252 WARN L141 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-02-24 03:40:00,252 WARN L147 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size 10 [2021-02-24 03:40:00,288 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,289 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:40:00,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,336 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:40:00,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,386 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:40:00,388 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,392 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:40:00,436 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-24 03:40:00,437 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-24 03:40:00,438 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,438 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:40:00,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,490 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:40:00,543 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-24 03:40:00,544 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-24 03:40:00,544 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,545 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:40:00,595 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,596 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:40:00,656 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,657 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:40:00,721 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,725 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:40:00,727 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,728 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:40:00,775 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-24 03:40:00,776 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-24 03:40:00,777 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:40:00,839 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,841 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:40:00,897 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,898 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:40:00,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,899 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:40:00,900 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,901 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:40:00,902 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,903 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:40:00,903 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,904 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:40:00,905 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,908 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,910 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:40:00,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,911 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:40:00,913 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,914 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,914 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,915 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,915 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,916 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,917 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,919 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:40:00,919 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,920 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:40:00,985 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:00,986 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:40:01,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:40:01,051 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,052 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:40:01,112 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,113 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:40:01,206 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,208 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:40:01,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,288 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:40:01,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:40:01,446 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,446 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:40:01,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:40:01,525 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,526 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:40:01,528 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,529 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:40:01,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:40:01,530 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:40:01,531 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [181481262] [2021-02-24 03:40:01,531 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:40:01,531 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2021-02-24 03:40:01,531 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867801512] [2021-02-24 03:40:01,532 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-02-24 03:40:01,533 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:40:01,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-02-24 03:40:01,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=2474, Unknown=0, NotChecked=0, Total=2756 [2021-02-24 03:40:01,535 INFO L87 Difference]: Start difference. First operand 815 states and 899 transitions. Second operand 50 states. [2021-02-24 03:40:02,315 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:40:03,012 WARN L202 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:40:03,453 WARN L202 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:03,882 WARN L202 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:40:04,305 WARN L202 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:04,755 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:40:05,216 WARN L202 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:40:05,642 WARN L202 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:40:06,110 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:40:06,580 WARN L202 SmtUtils]: Spent 414.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:40:07,093 WARN L202 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:40:07,582 WARN L202 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:40:08,088 WARN L202 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:40:08,636 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:40:09,174 WARN L202 SmtUtils]: Spent 412.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:40:09,726 WARN L202 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:40:10,923 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:40:11,334 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:11,750 WARN L202 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:40:12,202 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:12,647 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:40:13,081 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:13,533 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:40:13,995 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:40:14,423 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:40:14,885 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:15,341 WARN L202 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:40:15,754 WARN L202 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:16,620 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:17,065 WARN L202 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:40:17,548 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:17,991 WARN L202 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:40:18,454 WARN L202 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:18,892 WARN L202 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:40:19,341 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:19,862 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:40:20,858 WARN L202 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-24 03:40:21,786 WARN L202 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-24 03:40:22,878 WARN L202 SmtUtils]: Spent 895.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2021-02-24 03:40:23,820 WARN L202 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-24 03:40:24,880 WARN L202 SmtUtils]: Spent 864.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-24 03:40:25,828 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-24 03:40:27,160 WARN L202 SmtUtils]: Spent 863.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-24 03:40:28,113 WARN L202 SmtUtils]: Spent 852.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-24 03:40:29,113 WARN L202 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 233 [2021-02-24 03:40:29,594 WARN L202 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:40:30,553 WARN L202 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-02-24 03:40:31,496 WARN L202 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-24 03:40:32,798 WARN L202 SmtUtils]: Spent 802.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 225 [2021-02-24 03:40:34,103 WARN L202 SmtUtils]: Spent 792.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 223 [2021-02-24 03:40:35,366 WARN L202 SmtUtils]: Spent 825.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 227 [2021-02-24 03:40:36,367 WARN L202 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 229 [2021-02-24 03:40:36,981 WARN L202 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:40:38,611 WARN L202 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 222 [2021-02-24 03:40:41,028 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:41,471 WARN L202 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:40:41,988 WARN L202 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:42,811 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 218 [2021-02-24 03:40:43,400 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:44,172 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:44,716 WARN L202 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:45,316 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:45,764 WARN L202 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:46,282 WARN L202 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:40:46,803 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:40:47,323 WARN L202 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:47,853 WARN L202 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:48,310 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:49,298 WARN L202 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:49,770 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:50,641 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 215 [2021-02-24 03:40:51,525 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-02-24 03:40:52,235 WARN L202 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:52,666 WARN L202 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:40:53,270 WARN L202 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:53,764 WARN L202 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:54,229 WARN L202 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:55,839 WARN L202 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:56,492 WARN L202 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:40:57,152 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:57,776 WARN L202 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:40:58,457 WARN L202 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:40:58,852 WARN L202 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:59,287 WARN L202 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:41:00,416 WARN L202 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 218 [2021-02-24 03:41:01,301 WARN L202 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:41:09,890 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:14,266 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:41:15,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:41:15,192 INFO L93 Difference]: Finished difference Result 2548 states and 3285 transitions. [2021-02-24 03:41:15,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 299 states. [2021-02-24 03:41:15,192 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 283 [2021-02-24 03:41:15,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:41:15,214 INFO L225 Difference]: With dead ends: 2548 [2021-02-24 03:41:15,214 INFO L226 Difference]: Without dead ends: 1848 [2021-02-24 03:41:15,244 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 494 GetRequests, 145 SyntacticMatches, 3 SemanticMatches, 346 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51123 ImplicationChecksByTransitivity, 64.3s TimeCoverageRelationStatistics Valid=11530, Invalid=109226, Unknown=0, NotChecked=0, Total=120756 [2021-02-24 03:41:15,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2021-02-24 03:41:15,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 933. [2021-02-24 03:41:15,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 933 states. [2021-02-24 03:41:15,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 933 states and 1024 transitions. [2021-02-24 03:41:15,808 INFO L78 Accepts]: Start accepts. Automaton has 933 states and 1024 transitions. Word has length 283 [2021-02-24 03:41:15,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:41:15,809 INFO L480 AbstractCegarLoop]: Abstraction has 933 states and 1024 transitions. [2021-02-24 03:41:15,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 50 states. [2021-02-24 03:41:15,809 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1024 transitions. [2021-02-24 03:41:15,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2021-02-24 03:41:15,818 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:41:15,819 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-02-24 03:41:15,820 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-02-24 03:41:15,820 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:41:15,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:41:15,821 INFO L82 PathProgramCache]: Analyzing trace with hash 884779810, now seen corresponding path program 1 times [2021-02-24 03:41:15,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:41:15,821 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [545162706] [2021-02-24 03:41:15,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:41:15,855 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:55) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolationCore.acceleratedInterpolationCoreIsCorrect(AcceleratedInterpolationCore.java:183) at de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.AcceleratedInterpolation.(AcceleratedInterpolation.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModulePreferences.construct(IpTcStrategyModulePreferences.java:145) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:241) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:511) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:437) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:372) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:62) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterateAllErrorsAtOnce(TraceAbstractionStarter.java:317) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:171) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-02-24 03:41:15,858 INFO L168 Benchmark]: Toolchain (without parser) took 111339.99 ms. Allocated memory was 155.2 MB in the beginning and 729.8 MB in the end (delta: 574.6 MB). Free memory was 130.3 MB in the beginning and 540.9 MB in the end (delta: -410.5 MB). Peak memory consumption was 164.5 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:15,858 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 155.2 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:41:15,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 638.18 ms. Allocated memory is still 155.2 MB. Free memory was 129.1 MB in the beginning and 106.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:15,858 INFO L168 Benchmark]: Boogie Preprocessor took 170.71 ms. Allocated memory is still 155.2 MB. Free memory was 106.8 MB in the beginning and 102.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:15,859 INFO L168 Benchmark]: RCFGBuilder took 1751.21 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 102.8 MB in the beginning and 117.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:15,859 INFO L168 Benchmark]: TraceAbstraction took 108757.81 ms. Allocated memory was 186.6 MB in the beginning and 729.8 MB in the end (delta: 543.2 MB). Free memory was 117.5 MB in the beginning and 540.9 MB in the end (delta: -423.4 MB). Peak memory consumption was 119.3 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:15,860 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 155.2 MB. Free memory is still 128.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 638.18 ms. Allocated memory is still 155.2 MB. Free memory was 129.1 MB in the beginning and 106.8 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 170.71 ms. Allocated memory is still 155.2 MB. Free memory was 106.8 MB in the beginning and 102.8 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1751.21 ms. Allocated memory was 155.2 MB in the beginning and 186.6 MB in the end (delta: 31.5 MB). Free memory was 102.8 MB in the beginning and 117.5 MB in the end (delta: -14.7 MB). Peak memory consumption was 28.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 108757.81 ms. Allocated memory was 186.6 MB in the beginning and 729.8 MB in the end (delta: 543.2 MB). Free memory was 117.5 MB in the beginning and 540.9 MB in the end (delta: -423.4 MB). Peak memory consumption was 119.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:55) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...