/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_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-36cd7be [2021-02-24 03:38:20,121 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-02-24 03:38:20,124 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-02-24 03:38:20,158 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-02-24 03:38:20,158 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-02-24 03:38:20,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-02-24 03:38:20,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-02-24 03:38:20,183 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-02-24 03:38:20,185 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-02-24 03:38:20,186 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-02-24 03:38:20,187 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-02-24 03:38:20,189 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-02-24 03:38:20,199 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-02-24 03:38:20,205 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-02-24 03:38:20,209 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-02-24 03:38:20,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-02-24 03:38:20,216 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-02-24 03:38:20,219 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-02-24 03:38:20,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-02-24 03:38:20,235 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-02-24 03:38:20,238 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-02-24 03:38:20,240 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-02-24 03:38:20,241 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-02-24 03:38:20,242 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-02-24 03:38:20,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-02-24 03:38:20,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-02-24 03:38:20,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-02-24 03:38:20,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-02-24 03:38:20,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-02-24 03:38:20,257 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-02-24 03:38:20,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-02-24 03:38:20,259 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-02-24 03:38:20,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-02-24 03:38:20,264 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-02-24 03:38:20,265 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-02-24 03:38:20,265 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-02-24 03:38:20,266 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-02-24 03:38:20,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-02-24 03:38:20,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-02-24 03:38:20,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-02-24 03:38:20,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-02-24 03:38:20,269 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 03:38:20,290 INFO L113 SettingsManager]: Loading preferences was successful [2021-02-24 03:38:20,291 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-02-24 03:38:20,296 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-02-24 03:38:20,296 INFO L138 SettingsManager]: * sizeof long=4 [2021-02-24 03:38:20,296 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-02-24 03:38:20,296 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-02-24 03:38:20,297 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-02-24 03:38:20,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-02-24 03:38:20,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-02-24 03:38:20,297 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-02-24 03:38:20,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-02-24 03:38:20,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-02-24 03:38:20,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-02-24 03:38:20,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-02-24 03:38:20,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-02-24 03:38:20,299 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2021-02-24 03:38:20,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-02-24 03:38:20,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-02-24 03:38:20,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-02-24 03:38:20,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-02-24 03:38:20,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2021-02-24 03:38:20,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-02-24 03:38:20,301 INFO L138 SettingsManager]: * Loop acceleration method that is used by accelerated interpolation=WERNER_OVERAPPROX [2021-02-24 03:38:20,301 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-02-24 03:38:20,707 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-02-24 03:38:20,731 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-02-24 03:38:20,734 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-02-24 03:38:20,736 INFO L271 PluginConnector]: Initializing CDTParser... [2021-02-24 03:38:20,738 INFO L275 PluginConnector]: CDTParser initialized [2021-02-24 03:38:20,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c [2021-02-24 03:38:20,817 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843bf53fc/2739c1049ec6492aa0ccb6336ed9e03f/FLAGf84893990 [2021-02-24 03:38:21,471 INFO L306 CDTParser]: Found 1 translation units. [2021-02-24 03:38:21,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product46.cil.c [2021-02-24 03:38:21,500 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843bf53fc/2739c1049ec6492aa0ccb6336ed9e03f/FLAGf84893990 [2021-02-24 03:38:21,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/843bf53fc/2739c1049ec6492aa0ccb6336ed9e03f [2021-02-24 03:38:21,746 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-02-24 03:38:21,762 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-02-24 03:38:21,764 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-02-24 03:38:21,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-02-24 03:38:21,770 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-02-24 03:38:21,771 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:38:21" (1/1) ... [2021-02-24 03:38:21,773 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106e1864 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:21, skipping insertion in model container [2021-02-24 03:38:21,773 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.02 03:38:21" (1/1) ... [2021-02-24 03:38:21,782 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-02-24 03:38:21,824 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-02-24 03:38:22,156 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_product46.cil.c[12686,12699] [2021-02-24 03:38:22,195 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:38:22,207 INFO L203 MainTranslator]: Completed pre-run [2021-02-24 03:38:22,319 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_product46.cil.c[12686,12699] [2021-02-24 03:38:22,341 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-02-24 03:38:22,386 INFO L208 MainTranslator]: Completed translation [2021-02-24 03:38:22,387 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22 WrapperNode [2021-02-24 03:38:22,387 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-02-24 03:38:22,388 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-02-24 03:38:22,388 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-02-24 03:38:22,389 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-02-24 03:38:22,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22" (1/1) ... [2021-02-24 03:38:22,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22" (1/1) ... [2021-02-24 03:38:22,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22" (1/1) ... [2021-02-24 03:38:22,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22" (1/1) ... [2021-02-24 03:38:22,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22" (1/1) ... [2021-02-24 03:38:22,467 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22" (1/1) ... [2021-02-24 03:38:22,472 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22" (1/1) ... [2021-02-24 03:38:22,480 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-02-24 03:38:22,481 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-02-24 03:38:22,481 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-02-24 03:38:22,482 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-02-24 03:38:22,485 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22" (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 03:38:22,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2021-02-24 03:38:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-02-24 03:38:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2021-02-24 03:38:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2021-02-24 03:38:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2021-02-24 03:38:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2021-02-24 03:38:22,605 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2021-02-24 03:38:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2021-02-24 03:38:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2021-02-24 03:38:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2021-02-24 03:38:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2021-02-24 03:38:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2021-02-24 03:38:22,606 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2021-02-24 03:38:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2021-02-24 03:38:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2021-02-24 03:38:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2021-02-24 03:38:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2021-02-24 03:38:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2021-02-24 03:38:22,607 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2021-02-24 03:38:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2021-02-24 03:38:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2021-02-24 03:38:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2021-02-24 03:38:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2021-02-24 03:38:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2021-02-24 03:38:22,608 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2021-02-24 03:38:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2021-02-24 03:38:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2021-02-24 03:38:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2021-02-24 03:38:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2021-02-24 03:38:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2021-02-24 03:38:22,609 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2021-02-24 03:38:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2021-02-24 03:38:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2021-02-24 03:38:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2021-02-24 03:38:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2021-02-24 03:38:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2021-02-24 03:38:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2021-02-24 03:38:22,610 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2021-02-24 03:38:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2021-02-24 03:38:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2021-02-24 03:38:22,611 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2021-02-24 03:38:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2021-02-24 03:38:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2021-02-24 03:38:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2021-02-24 03:38:22,611 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-02-24 03:38:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2021-02-24 03:38:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2021-02-24 03:38:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2021-02-24 03:38:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2021-02-24 03:38:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2021-02-24 03:38:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2021-02-24 03:38:22,612 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2021-02-24 03:38:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2021-02-24 03:38:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2021-02-24 03:38:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure test [2021-02-24 03:38:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2021-02-24 03:38:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2021-02-24 03:38:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2021-02-24 03:38:22,613 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2021-02-24 03:38:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2021-02-24 03:38:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2021-02-24 03:38:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2021-02-24 03:38:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2021-02-24 03:38:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2021-02-24 03:38:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2021-02-24 03:38:22,614 INFO L130 BoogieDeclarations]: Found specification of procedure free [2021-02-24 03:38:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2021-02-24 03:38:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-02-24 03:38:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-02-24 03:38:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-02-24 03:38:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-02-24 03:38:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2021-02-24 03:38:22,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-02-24 03:38:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2021-02-24 03:38:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2021-02-24 03:38:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-02-24 03:38:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2021-02-24 03:38:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2021-02-24 03:38:22,616 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2021-02-24 03:38:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2021-02-24 03:38:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2021-02-24 03:38:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2021-02-24 03:38:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2021-02-24 03:38:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2021-02-24 03:38:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2021-02-24 03:38:22,617 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2021-02-24 03:38:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2021-02-24 03:38:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2021-02-24 03:38:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2021-02-24 03:38:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2021-02-24 03:38:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2021-02-24 03:38:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2021-02-24 03:38:22,618 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2021-02-24 03:38:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2021-02-24 03:38:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-02-24 03:38:22,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-02-24 03:38:24,508 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-02-24 03:38:24,508 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-02-24 03:38:24,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:38:24 BoogieIcfgContainer [2021-02-24 03:38:24,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-02-24 03:38:24,513 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-02-24 03:38:24,513 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-02-24 03:38:24,517 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-02-24 03:38:24,517 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.02 03:38:21" (1/3) ... [2021-02-24 03:38:24,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd3d5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:38:24, skipping insertion in model container [2021-02-24 03:38:24,518 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.02 03:38:22" (2/3) ... [2021-02-24 03:38:24,518 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bd3d5dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.02 03:38:24, skipping insertion in model container [2021-02-24 03:38:24,519 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.02 03:38:24" (3/3) ... [2021-02-24 03:38:24,520 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product46.cil.c [2021-02-24 03:38:24,527 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2021-02-24 03:38:24,532 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-02-24 03:38:24,550 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-02-24 03:38:24,575 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-02-24 03:38:24,576 INFO L377 AbstractCegarLoop]: Hoare is true [2021-02-24 03:38:24,576 INFO L378 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2021-02-24 03:38:24,576 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-02-24 03:38:24,576 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-02-24 03:38:24,576 INFO L381 AbstractCegarLoop]: Difference is false [2021-02-24 03:38:24,576 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-02-24 03:38:24,577 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-02-24 03:38:24,602 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states. [2021-02-24 03:38:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2021-02-24 03:38:24,621 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:38:24,622 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 03:38:24,623 INFO L428 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:38:24,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:38:24,629 INFO L82 PathProgramCache]: Analyzing trace with hash 8188574, now seen corresponding path program 1 times [2021-02-24 03:38:24,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:38:24,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1946568775] [2021-02-24 03:38:24,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:38:24,726 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:38:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:25,157 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:25,159 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:25,160 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:25,161 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:25,760 WARN L202 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:38:25,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:38:25,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:25,875 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:25,876 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:25,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:38:25,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:25,899 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:25,900 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:25,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:38:25,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:25,909 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:25,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:25,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:38:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:25,918 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:25,918 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:25,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:38:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:25,921 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:25,922 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:25,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2021-02-24 03:38:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:25,926 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:25,927 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:25,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2021-02-24 03:38:25,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:25,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:25,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:25,963 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 03:38:25,965 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1946568775] [2021-02-24 03:38:25,967 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:38:25,967 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-02-24 03:38:25,967 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942353291] [2021-02-24 03:38:25,972 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-02-24 03:38:25,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:38:25,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-02-24 03:38:25,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 03:38:25,989 INFO L87 Difference]: Start difference. First operand 325 states. Second operand 3 states. [2021-02-24 03:38:28,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:38:28,685 INFO L93 Difference]: Finished difference Result 512 states and 606 transitions. [2021-02-24 03:38:28,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-02-24 03:38:28,687 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 147 [2021-02-24 03:38:28,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:38:28,716 INFO L225 Difference]: With dead ends: 512 [2021-02-24 03:38:28,716 INFO L226 Difference]: Without dead ends: 317 [2021-02-24 03:38:28,727 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-02-24 03:38:28,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2021-02-24 03:38:28,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 273. [2021-02-24 03:38:28,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2021-02-24 03:38:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 296 transitions. [2021-02-24 03:38:28,879 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 296 transitions. Word has length 147 [2021-02-24 03:38:28,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:38:28,880 INFO L480 AbstractCegarLoop]: Abstraction has 273 states and 296 transitions. [2021-02-24 03:38:28,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-02-24 03:38:28,880 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 296 transitions. [2021-02-24 03:38:28,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2021-02-24 03:38:28,884 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:38:28,885 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 03:38:28,885 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-02-24 03:38:28,885 INFO L428 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:38:28,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:38:28,886 INFO L82 PathProgramCache]: Analyzing trace with hash -855485290, now seen corresponding path program 1 times [2021-02-24 03:38:28,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:38:28,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1404781761] [2021-02-24 03:38:28,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:38:28,891 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:38:28,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:29,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:29,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:29,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,082 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:29,731 WARN L202 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:38:29,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:38:29,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:29,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,777 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:29,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:38:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:29,786 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,787 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:38:29,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:29,791 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,791 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:29,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:38:29,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:29,795 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,796 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:29,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:38:29,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:29,798 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,799 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:29,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-02-24 03:38:29,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:29,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:29,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:38:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:29,807 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:29,808 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:29,838 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 03:38:29,839 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1404781761] [2021-02-24 03:38:29,839 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:38:29,839 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-02-24 03:38:29,839 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1355792638] [2021-02-24 03:38:29,840 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-02-24 03:38:29,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:38:29,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-02-24 03:38:29,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-02-24 03:38:29,842 INFO L87 Difference]: Start difference. First operand 273 states and 296 transitions. Second operand 4 states. [2021-02-24 03:38:31,159 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:38:33,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:38:33,129 INFO L93 Difference]: Finished difference Result 424 states and 476 transitions. [2021-02-24 03:38:33,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-02-24 03:38:33,131 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2021-02-24 03:38:33,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:38:33,136 INFO L225 Difference]: With dead ends: 424 [2021-02-24 03:38:33,136 INFO L226 Difference]: Without dead ends: 300 [2021-02-24 03:38:33,138 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-02-24 03:38:33,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2021-02-24 03:38:33,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 263. [2021-02-24 03:38:33,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2021-02-24 03:38:33,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 283 transitions. [2021-02-24 03:38:33,280 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 283 transitions. Word has length 148 [2021-02-24 03:38:33,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:38:33,283 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 283 transitions. [2021-02-24 03:38:33,283 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-02-24 03:38:33,283 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 283 transitions. [2021-02-24 03:38:33,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2021-02-24 03:38:33,287 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:38:33,288 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 03:38:33,289 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-02-24 03:38:33,293 INFO L428 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:38:33,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:38:33,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1636685667, now seen corresponding path program 1 times [2021-02-24 03:38:33,295 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:38:33,299 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [693206256] [2021-02-24 03:38:33,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:38:33,304 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:38:33,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:33,447 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:33,448 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:33,449 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:33,450 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:33,455 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:33,456 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:33,463 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:33,464 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:33,464 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:33,465 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:38:33,474 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:33,475 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:34,168 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:38:34,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:38:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:34,222 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,222 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:34,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:38:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:34,240 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,240 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:34,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:38:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:34,244 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,245 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:34,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:38:34,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:34,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:34,268 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,269 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:38:34,296 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,298 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:38:34,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:38:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:34,334 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:34,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-24 03:38:34,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:34,375 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,376 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:34,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2021-02-24 03:38:34,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:34,416 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,417 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:34,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2021-02-24 03:38:34,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:34,422 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:34,423 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:34,476 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 03:38:34,477 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [693206256] [2021-02-24 03:38:34,477 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:38:34,477 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2021-02-24 03:38:34,477 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479726644] [2021-02-24 03:38:34,479 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-02-24 03:38:34,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:38:34,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-02-24 03:38:34,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2021-02-24 03:38:34,480 INFO L87 Difference]: Start difference. First operand 263 states and 283 transitions. Second operand 10 states. [2021-02-24 03:38:35,567 WARN L202 SmtUtils]: Spent 581.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:38:36,482 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:38:37,241 WARN L202 SmtUtils]: Spent 729.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:38:37,981 WARN L202 SmtUtils]: Spent 676.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:38:38,761 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:38:39,467 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:38:42,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:38:42,383 INFO L93 Difference]: Finished difference Result 470 states and 538 transitions. [2021-02-24 03:38:42,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-02-24 03:38:42,384 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 161 [2021-02-24 03:38:42,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:38:42,388 INFO L225 Difference]: With dead ends: 470 [2021-02-24 03:38:42,389 INFO L226 Difference]: Without dead ends: 322 [2021-02-24 03:38:42,390 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 5.1s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2021-02-24 03:38:42,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2021-02-24 03:38:42,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 263. [2021-02-24 03:38:42,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2021-02-24 03:38:42,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 282 transitions. [2021-02-24 03:38:42,495 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 282 transitions. Word has length 161 [2021-02-24 03:38:42,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:38:42,495 INFO L480 AbstractCegarLoop]: Abstraction has 263 states and 282 transitions. [2021-02-24 03:38:42,495 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2021-02-24 03:38:42,496 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 282 transitions. [2021-02-24 03:38:42,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2021-02-24 03:38:42,498 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:38:42,498 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 03:38:42,498 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-02-24 03:38:42,499 INFO L428 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:38:42,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:38:42,499 INFO L82 PathProgramCache]: Analyzing trace with hash 592124761, now seen corresponding path program 1 times [2021-02-24 03:38:42,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:38:42,500 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [15821314] [2021-02-24 03:38:42,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:38:42,503 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:38:42,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:42,575 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:42,575 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:42,581 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:42,581 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:42,582 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:42,583 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:42,583 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:42,584 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:42,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:42,585 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:42,586 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:42,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,200 WARN L202 SmtUtils]: Spent 603.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:38:43,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:38:43,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,272 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,273 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,274 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,275 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:43,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:38:43,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,283 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:38:43,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,286 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:38:43,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,290 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,291 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:38:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,294 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-24 03:38:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:38:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,331 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:43,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,333 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:38:43,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,337 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,338 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:43,339 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,339 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:38:43,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:38:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,354 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,355 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-24 03:38:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,358 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,358 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2021-02-24 03:38:43,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:43,361 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:43,362 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:43,405 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 03:38:43,405 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [15821314] [2021-02-24 03:38:43,406 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:38:43,406 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-02-24 03:38:43,406 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375733829] [2021-02-24 03:38:43,407 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-02-24 03:38:43,407 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:38:43,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-02-24 03:38:43,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-02-24 03:38:43,408 INFO L87 Difference]: Start difference. First operand 263 states and 282 transitions. Second operand 7 states. [2021-02-24 03:38:44,415 WARN L202 SmtUtils]: Spent 619.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:38:47,433 WARN L202 SmtUtils]: Spent 631.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:38:48,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:38:48,704 INFO L93 Difference]: Finished difference Result 663 states and 780 transitions. [2021-02-24 03:38:48,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-02-24 03:38:48,705 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 174 [2021-02-24 03:38:48,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:38:48,710 INFO L225 Difference]: With dead ends: 663 [2021-02-24 03:38:48,710 INFO L226 Difference]: Without dead ends: 515 [2021-02-24 03:38:48,712 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:38:48,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2021-02-24 03:38:48,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 388. [2021-02-24 03:38:48,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2021-02-24 03:38:48,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 415 transitions. [2021-02-24 03:38:48,893 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 415 transitions. Word has length 174 [2021-02-24 03:38:48,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:38:48,893 INFO L480 AbstractCegarLoop]: Abstraction has 388 states and 415 transitions. [2021-02-24 03:38:48,894 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-02-24 03:38:48,894 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 415 transitions. [2021-02-24 03:38:48,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2021-02-24 03:38:48,897 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:38:48,897 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 03:38:48,897 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-02-24 03:38:48,897 INFO L428 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:38:48,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:38:48,898 INFO L82 PathProgramCache]: Analyzing trace with hash -2096023539, now seen corresponding path program 1 times [2021-02-24 03:38:48,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:38:48,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [680929083] [2021-02-24 03:38:48,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:38:48,902 INFO L218 tedInterpolationCore]: No loops in this trace, falling back to nested interpolation [2021-02-24 03:38:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:48,992 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:48,993 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:48,998 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:48,999 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:49,000 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,001 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:49,008 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:49,017 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,018 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:38:49,028 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,029 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:38:49,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:38:49,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,032 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:38:49,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,034 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:38:49,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 4 [2021-02-24 03:38:49,059 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,060 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,679 WARN L202 SmtUtils]: Spent 589.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:38:49,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:38:49,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,734 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,735 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,735 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,736 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-02-24 03:38:49,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:38:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,745 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,746 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:38:49,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,751 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,752 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:38:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,776 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,778 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,779 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,780 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:38:49,823 WARN L141 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size [2021-02-24 03:38:49,825 WARN L147 QuantifierPusher]: treesize reduction 22, result has 33.3 percent of original size 11 [2021-02-24 03:38:49,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:38:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,859 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,859 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2021-02-24 03:38:49,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,885 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,885 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2021-02-24 03:38:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,916 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,917 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:38:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,924 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,925 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:38:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,935 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,936 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:38:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,940 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,940 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:38:49,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,943 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,943 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2021-02-24 03:38:49,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:49,951 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,952 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:49,952 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,953 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:49,976 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:49,977 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:38:50,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2021-02-24 03:38:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:38:50,009 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:38:50,010 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:38:50,070 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 03:38:50,071 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [680929083] [2021-02-24 03:38:50,071 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:38:50,071 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2021-02-24 03:38:50,071 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [204099331] [2021-02-24 03:38:50,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-02-24 03:38:50,072 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:38:50,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-02-24 03:38:50,073 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=180, Unknown=0, NotChecked=0, Total=210 [2021-02-24 03:38:50,073 INFO L87 Difference]: Start difference. First operand 388 states and 415 transitions. Second operand 15 states. [2021-02-24 03:38:51,101 WARN L202 SmtUtils]: Spent 591.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:38:52,010 WARN L202 SmtUtils]: Spent 673.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:38:52,769 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:38:53,513 WARN L202 SmtUtils]: Spent 665.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:38:54,278 WARN L202 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:38:54,989 WARN L202 SmtUtils]: Spent 666.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:38:56,317 WARN L202 SmtUtils]: Spent 600.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-02-24 03:38:58,873 WARN L202 SmtUtils]: Spent 672.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:38:59,620 WARN L202 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:00,496 WARN L202 SmtUtils]: Spent 679.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:01,289 WARN L202 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:39:02,077 WARN L202 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:39:02,806 WARN L202 SmtUtils]: Spent 686.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:39:03,579 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:04,467 WARN L202 SmtUtils]: Spent 709.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:05,443 WARN L202 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-02-24 03:39:06,244 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:10,373 WARN L202 SmtUtils]: Spent 661.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:39:11,149 WARN L202 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:12,315 WARN L202 SmtUtils]: Spent 654.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:14,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:39:14,549 INFO L93 Difference]: Finished difference Result 1375 states and 1709 transitions. [2021-02-24 03:39:14,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-02-24 03:39:14,550 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 198 [2021-02-24 03:39:14,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:39:14,559 INFO L225 Difference]: With dead ends: 1375 [2021-02-24 03:39:14,559 INFO L226 Difference]: Without dead ends: 1102 [2021-02-24 03:39:14,561 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 371 ImplicationChecksByTransitivity, 15.2s TimeCoverageRelationStatistics Valid=386, Invalid=1336, Unknown=0, NotChecked=0, Total=1722 [2021-02-24 03:39:14,563 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1102 states. [2021-02-24 03:39:14,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1102 to 803. [2021-02-24 03:39:14,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 803 states. [2021-02-24 03:39:14,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 803 states to 803 states and 885 transitions. [2021-02-24 03:39:14,976 INFO L78 Accepts]: Start accepts. Automaton has 803 states and 885 transitions. Word has length 198 [2021-02-24 03:39:14,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:39:14,977 INFO L480 AbstractCegarLoop]: Abstraction has 803 states and 885 transitions. [2021-02-24 03:39:14,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2021-02-24 03:39:14,977 INFO L276 IsEmpty]: Start isEmpty. Operand 803 states and 885 transitions. [2021-02-24 03:39:14,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2021-02-24 03:39:14,989 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:39:14,990 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 03:39:14,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-02-24 03:39:14,991 INFO L428 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:39:14,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:39:14,991 INFO L82 PathProgramCache]: Analyzing trace with hash -636988500, now seen corresponding path program 1 times [2021-02-24 03:39:14,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:39:14,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [165994203] [2021-02-24 03:39:14,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:39:15,072 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:15,096 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:15,106 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:15,113 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:15,195 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:15,207 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:15,212 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,215 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,218 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,219 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,222 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,223 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,226 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:15,228 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:15,231 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,234 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,238 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-02-24 03:39:15,244 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size 70 [2021-02-24 03:39:15,248 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-02-24 03:39:15,256 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size 70 [2021-02-24 03:39:15,329 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:15,331 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:15,333 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,336 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,338 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:15,344 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:15,346 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:15,351 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:15,437 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:15,439 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:15,441 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,444 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,446 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:15,451 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:15,454 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:15,459 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:15,531 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:15,533 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:15,535 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,537 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,540 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:15,545 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:15,547 WARN L141 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size [2021-02-24 03:39:15,552 WARN L147 QuantifierPusher]: treesize reduction 9, result has 88.9 percent of original size 72 [2021-02-24 03:39:15,625 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:15,627 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:15,629 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,631 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,632 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,633 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,635 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,635 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,638 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:15,640 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:15,642 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,644 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,646 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-02-24 03:39:15,651 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size 70 [2021-02-24 03:39:15,654 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-02-24 03:39:15,658 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size 70 [2021-02-24 03:39:15,729 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:15,731 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:15,733 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,735 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,737 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,737 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,739 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,740 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,743 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:15,744 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:15,746 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,748 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,749 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,750 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,752 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,752 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,755 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:15,756 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:15,759 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,760 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,762 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,762 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,764 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,765 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,768 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:15,769 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:15,772 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,774 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,776 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,776 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,780 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,781 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,785 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:15,787 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:15,789 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,791 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,793 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-02-24 03:39:15,797 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size 70 [2021-02-24 03:39:15,799 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-02-24 03:39:15,803 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size 70 [2021-02-24 03:39:15,874 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:15,876 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:15,880 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,882 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,884 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,884 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,887 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,887 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,891 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:15,892 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:15,894 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,896 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,898 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-02-24 03:39:15,904 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size 70 [2021-02-24 03:39:15,907 WARN L141 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size [2021-02-24 03:39:15,917 WARN L147 QuantifierPusher]: treesize reduction 11, result has 86.4 percent of original size 70 [2021-02-24 03:39:15,988 WARN L141 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size [2021-02-24 03:39:15,990 WARN L147 QuantifierPusher]: treesize reduction 38, result has 17.4 percent of original size 8 [2021-02-24 03:39:15,992 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:15,994 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:15,995 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,996 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:15,998 WARN L141 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size [2021-02-24 03:39:15,999 WARN L147 QuantifierPusher]: treesize reduction 80, result has 1.2 percent of original size 1 [2021-02-24 03:39:16,003 WARN L141 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size [2021-02-24 03:39:16,015 WARN L147 QuantifierPusher]: treesize reduction 2, result has 80.0 percent of original size 8 [2021-02-24 03:39:16,017 WARN L141 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size [2021-02-24 03:39:16,027 WARN L147 QuantifierPusher]: treesize reduction 14, result has 75.0 percent of original size 42 [2021-02-24 03:39:16,028 INFO L206 tedInterpolationCore]: Starting analysis with loop acceleration approximation UNDERAPPROXIMATION [2021-02-24 03:39:16,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,145 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,146 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,147 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,147 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:16,153 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,154 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:16,155 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,156 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:16,163 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,165 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:16,174 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,175 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,765 WARN L202 SmtUtils]: Spent 570.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-02-24 03:39:16,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2021-02-24 03:39:16,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,796 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,797 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2021-02-24 03:39:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,803 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,804 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2021-02-24 03:39:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,806 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,807 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2021-02-24 03:39:16,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,809 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,810 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2021-02-24 03:39:16,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,812 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,812 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2021-02-24 03:39:16,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,828 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,829 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2021-02-24 03:39:16,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,847 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,847 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 172 [2021-02-24 03:39:16,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,871 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,872 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,872 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,873 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:16,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:39:16,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,879 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,880 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,881 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,882 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:16,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-02-24 03:39:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,886 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,887 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2021-02-24 03:39:16,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,892 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,892 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2021-02-24 03:39:16,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,896 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,896 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2021-02-24 03:39:16,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,906 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,907 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2021-02-24 03:39:16,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-02-24 03:39:16,911 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,912 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:16,912 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,913 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:16,930 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:16,931 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:17,026 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 03:39:17,029 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,031 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,032 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,033 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,036 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,038 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,039 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,040 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,041 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,042 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,043 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,044 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,045 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,045 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,046 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,047 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,048 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,049 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,050 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,051 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,052 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,053 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,054 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,054 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,055 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,056 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,057 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,058 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,059 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,060 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,061 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,062 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,063 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,064 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,065 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,066 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,067 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,068 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,069 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,070 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,071 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,071 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,074 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,075 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,075 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,076 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,077 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,079 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,079 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,080 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:17,081 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 37 [2021-02-24 03:39:17,083 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,083 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:17,084 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,085 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:17,106 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,107 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:39:17,139 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,140 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:39:17,176 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,177 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:17,210 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,211 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:17,253 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,255 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,256 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,256 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:17,257 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,258 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,258 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:17,259 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:39:17,283 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,286 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:17,287 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,287 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:17,333 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,335 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 25 [2021-02-24 03:39:17,383 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,384 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:17,385 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,386 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,387 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,387 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-02-24 03:39:17,388 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,389 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,390 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:17,391 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:39:17,451 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,452 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-02-24 03:39:17,488 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,489 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:39:17,530 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,531 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:17,572 WARN L141 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size [2021-02-24 03:39:17,572 WARN L147 QuantifierPusher]: treesize reduction 8, result has 46.7 percent of original size 7 [2021-02-24 03:39:17,608 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,609 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-02-24 03:39:17,660 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,661 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2021-02-24 03:39:17,729 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,731 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:17,782 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,783 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:17,851 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,853 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:17,854 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,856 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:17,857 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:39:17,925 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,926 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:17,927 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:17,928 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:39:18,007 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,008 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:39:18,010 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,011 WARN L159 QuantifierPusher]: Ignoring assumption. [2021-02-24 03:39:18,012 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,013 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:18,016 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:39:18,087 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,090 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:39:18,150 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,151 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-02-24 03:39:18,152 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,157 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,217 WARN L141 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size [2021-02-24 03:39:18,219 WARN L147 QuantifierPusher]: treesize reduction 4, result has 71.4 percent of original size 10 [2021-02-24 03:39:18,223 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,224 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:39:18,292 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,293 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,294 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,295 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,303 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,304 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:39:18,305 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,306 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,306 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,310 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,313 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,314 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,316 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,316 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,317 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,318 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,322 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,323 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:18,324 WARN L141 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size [2021-02-24 03:39:18,324 WARN L147 QuantifierPusher]: treesize reduction 3, result has 76.9 percent of original size 10 [2021-02-24 03:39:18,377 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,378 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:18,435 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,436 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:18,498 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,498 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:18,500 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,500 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:39:18,581 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-24 03:39:18,584 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-24 03:39:18,585 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,586 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:18,667 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,668 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:39:18,747 WARN L141 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size [2021-02-24 03:39:18,747 WARN L147 QuantifierPusher]: treesize reduction 4, result has 76.5 percent of original size 13 [2021-02-24 03:39:18,754 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,754 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:18,836 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,837 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:18,931 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:18,932 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:39:19,030 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,031 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:39:19,033 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,035 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:39:19,115 WARN L141 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size [2021-02-24 03:39:19,116 WARN L147 QuantifierPusher]: treesize reduction 8, result has 61.9 percent of original size 13 [2021-02-24 03:39:19,118 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,119 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:19,214 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,215 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-02-24 03:39:19,301 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,302 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:19,304 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,307 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:39:19,308 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,308 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:19,309 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,310 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:19,311 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,312 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:39:19,314 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,315 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:19,315 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,318 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:39:19,319 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,320 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:19,321 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,322 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2021-02-24 03:39:19,323 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,324 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:19,325 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,325 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:19,326 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,327 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:19,327 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,328 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:19,328 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,329 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:19,329 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,330 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:19,330 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,331 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-02-24 03:39:19,332 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,332 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-02-24 03:39:19,419 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,420 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:19,511 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,516 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2021-02-24 03:39:19,517 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,518 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 20 [2021-02-24 03:39:19,610 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,611 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:39:19,736 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,737 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 21 [2021-02-24 03:39:19,846 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,849 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:39:19,954 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:19,955 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:39:20,070 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:20,072 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 22 [2021-02-24 03:39:20,073 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:20,074 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 23 [2021-02-24 03:39:20,182 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:20,183 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 19 [2021-02-24 03:39:20,184 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:20,185 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 26 [2021-02-24 03:39:20,186 WARN L141 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-02-24 03:39:20,186 WARN L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-02-24 03:39:20,187 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [165994203] [2021-02-24 03:39:20,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-02-24 03:39:20,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [50] imperfect sequences [] total 50 [2021-02-24 03:39:20,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438028740] [2021-02-24 03:39:20,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-02-24 03:39:20,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2021-02-24 03:39:20,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-02-24 03:39:20,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=282, Invalid=2474, Unknown=0, NotChecked=0, Total=2756 [2021-02-24 03:39:20,190 INFO L87 Difference]: Start difference. First operand 803 states and 885 transitions. Second operand 50 states. [2021-02-24 03:39:21,443 WARN L202 SmtUtils]: Spent 678.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:39:22,888 WARN L202 SmtUtils]: Spent 649.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:39:23,748 WARN L202 SmtUtils]: Spent 743.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:39:24,540 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:39:25,321 WARN L202 SmtUtils]: Spent 711.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:39:26,132 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:39:27,035 WARN L202 SmtUtils]: Spent 786.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:39:27,888 WARN L202 SmtUtils]: Spent 783.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:39:28,731 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:39:29,645 WARN L202 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:39:30,483 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:39:31,433 WARN L202 SmtUtils]: Spent 789.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:39:32,391 WARN L202 SmtUtils]: Spent 773.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:39:33,441 WARN L202 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:39:34,459 WARN L202 SmtUtils]: Spent 809.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:39:35,546 WARN L202 SmtUtils]: Spent 749.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:39:37,153 WARN L202 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:39,240 WARN L202 SmtUtils]: Spent 691.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:39:40,073 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:39:40,923 WARN L202 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:39:41,848 WARN L202 SmtUtils]: Spent 717.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:39:42,806 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:39:43,675 WARN L202 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:39:44,641 WARN L202 SmtUtils]: Spent 722.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:39:45,505 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2021-02-24 03:39:46,393 WARN L202 SmtUtils]: Spent 753.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:39:47,363 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:39:48,272 WARN L202 SmtUtils]: Spent 726.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:39:49,104 WARN L202 SmtUtils]: Spent 719.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:39:51,483 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:39:52,377 WARN L202 SmtUtils]: Spent 734.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:39:53,466 WARN L202 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:39:54,351 WARN L202 SmtUtils]: Spent 727.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:39:55,249 WARN L202 SmtUtils]: Spent 739.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:39:56,168 WARN L202 SmtUtils]: Spent 757.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:39:57,093 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:39:58,349 WARN L202 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2021-02-24 03:39:58,844 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:40:00,245 WARN L202 SmtUtils]: Spent 867.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:40:00,465 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:40:01,495 WARN L202 SmtUtils]: Spent 866.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:40:01,733 WARN L202 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:40:02,062 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:40:03,235 WARN L202 SmtUtils]: Spent 900.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:40:03,476 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:40:04,352 WARN L202 SmtUtils]: Spent 714.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-02-24 03:40:05,366 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2021-02-24 03:40:06,353 WARN L202 SmtUtils]: Spent 878.00 ms on a formula simplification that was a NOOP. DAG size: 223 [2021-02-24 03:40:06,574 WARN L202 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:40:06,887 WARN L202 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2021-02-24 03:40:07,251 WARN L202 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:40:07,591 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:40:08,001 WARN L202 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:40:08,256 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:40:08,582 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-02-24 03:40:08,924 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:40:09,220 WARN L202 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:40:09,996 WARN L202 SmtUtils]: Spent 730.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:40:10,888 WARN L202 SmtUtils]: Spent 822.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:40:11,342 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:40:11,609 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:40:12,515 WARN L202 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:40:13,012 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:40:15,930 WARN L202 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 224 DAG size of output: 222 [2021-02-24 03:40:16,929 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:40:17,358 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:40:18,966 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:40:21,256 WARN L202 SmtUtils]: Spent 698.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:40:22,354 WARN L202 SmtUtils]: Spent 765.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2021-02-24 03:40:24,092 WARN L202 SmtUtils]: Spent 745.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-02-24 03:40:25,168 WARN L202 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:26,806 WARN L202 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 220 DAG size of output: 218 [2021-02-24 03:40:27,879 WARN L202 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:29,483 WARN L202 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:30,347 WARN L202 SmtUtils]: Spent 741.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:31,938 WARN L202 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:33,172 WARN L202 SmtUtils]: Spent 796.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:34,625 WARN L202 SmtUtils]: Spent 812.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:35,630 WARN L202 SmtUtils]: Spent 849.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:36,752 WARN L202 SmtUtils]: Spent 855.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2021-02-24 03:40:37,898 WARN L202 SmtUtils]: Spent 891.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-02-24 03:40:39,499 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:40,689 WARN L202 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:41,672 WARN L202 SmtUtils]: Spent 826.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:43,893 WARN L202 SmtUtils]: Spent 824.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:44,809 WARN L202 SmtUtils]: Spent 803.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:46,696 WARN L202 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 217 DAG size of output: 215 [2021-02-24 03:40:48,518 WARN L202 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 220 DAG size of output: 217 [2021-02-24 03:40:51,047 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:40:51,894 WARN L202 SmtUtils]: Spent 756.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:52,671 WARN L202 SmtUtils]: Spent 710.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:52,907 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:40:53,769 WARN L202 SmtUtils]: Spent 776.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:40:54,660 WARN L202 SmtUtils]: Spent 747.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:40:55,601 WARN L202 SmtUtils]: Spent 808.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:55,835 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:40:56,706 WARN L202 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:40:56,888 WARN L202 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:40:57,784 WARN L202 SmtUtils]: Spent 802.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2021-02-24 03:40:58,554 WARN L202 SmtUtils]: Spent 704.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:40:59,389 WARN L202 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-02-24 03:40:59,728 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:00,537 WARN L202 SmtUtils]: Spent 731.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:41:01,617 WARN L202 SmtUtils]: Spent 771.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:41:01,808 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:02,844 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:41:03,629 WARN L202 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2021-02-24 03:41:04,481 WARN L202 SmtUtils]: Spent 700.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:41:05,276 WARN L202 SmtUtils]: Spent 683.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2021-02-24 03:41:06,138 WARN L202 SmtUtils]: Spent 715.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2021-02-24 03:41:06,973 WARN L202 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:41:07,147 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:07,316 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:08,084 WARN L202 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-02-24 03:41:08,370 WARN L202 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:09,957 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:10,130 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:11,187 WARN L202 SmtUtils]: Spent 742.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2021-02-24 03:41:12,104 WARN L202 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-02-24 03:41:13,445 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-02-24 03:41:15,472 WARN L202 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 220 DAG size of output: 218 [2021-02-24 03:41:17,925 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-02-24 03:41:18,303 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:18,512 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:18,728 WARN L202 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:41:18,906 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:19,113 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:41:19,299 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:19,527 WARN L202 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:19,700 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:19,903 WARN L202 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:20,088 WARN L202 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:20,293 WARN L202 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:20,466 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:20,666 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:20,856 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:21,068 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:41:21,248 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:21,448 WARN L202 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:41:21,631 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:21,987 WARN L202 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:22,177 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:22,356 WARN L202 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:22,737 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:23,049 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-02-24 03:41:23,291 WARN L202 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:23,591 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:23,825 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:24,195 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-02-24 03:41:24,622 WARN L202 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:24,816 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:25,009 WARN L202 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:25,199 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:41:25,383 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:25,574 WARN L202 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2021-02-24 03:41:25,760 WARN L202 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:25,942 WARN L202 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:26,117 WARN L202 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:26,292 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:26,456 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:26,638 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:26,854 WARN L202 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:27,033 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-02-24 03:41:27,255 WARN L202 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:27,457 WARN L202 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:27,667 WARN L202 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:27,853 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:28,017 WARN L202 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-02-24 03:41:28,483 WARN L202 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:38,094 WARN L202 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:38,269 WARN L202 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:38,609 WARN L202 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:40,276 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:40,435 WARN L202 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 25 [2021-02-24 03:41:45,937 WARN L202 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:46,318 WARN L202 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:46,839 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:47,025 WARN L202 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:47,228 WARN L202 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 33 [2021-02-24 03:41:47,443 WARN L202 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2021-02-24 03:41:49,477 WARN L202 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2021-02-24 03:41:51,773 WARN L202 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2021-02-24 03:41:51,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-02-24 03:41:51,776 INFO L93 Difference]: Finished difference Result 3697 states and 4756 transitions. [2021-02-24 03:41:51,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 457 states. [2021-02-24 03:41:51,777 INFO L78 Accepts]: Start accepts. Automaton has 50 states. Word has length 283 [2021-02-24 03:41:51,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-02-24 03:41:51,798 INFO L225 Difference]: With dead ends: 3697 [2021-02-24 03:41:51,798 INFO L226 Difference]: Without dead ends: 3009 [2021-02-24 03:41:51,875 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 676 GetRequests, 168 SyntacticMatches, 4 SemanticMatches, 504 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 115308 ImplicationChecksByTransitivity, 122.1s TimeCoverageRelationStatistics Valid=14775, Invalid=240755, Unknown=0, NotChecked=0, Total=255530 [2021-02-24 03:41:51,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3009 states. [2021-02-24 03:41:52,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3009 to 1593. [2021-02-24 03:41:52,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1593 states. [2021-02-24 03:41:52,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1593 states and 1770 transitions. [2021-02-24 03:41:52,741 INFO L78 Accepts]: Start accepts. Automaton has 1593 states and 1770 transitions. Word has length 283 [2021-02-24 03:41:52,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-02-24 03:41:52,742 INFO L480 AbstractCegarLoop]: Abstraction has 1593 states and 1770 transitions. [2021-02-24 03:41:52,742 INFO L481 AbstractCegarLoop]: Interpolant automaton has 50 states. [2021-02-24 03:41:52,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1770 transitions. [2021-02-24 03:41:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2021-02-24 03:41:52,752 INFO L414 BasicCegarLoop]: Found error trace [2021-02-24 03:41:52,753 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 03:41:52,753 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-02-24 03:41:52,753 INFO L428 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-02-24 03:41:52,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-02-24 03:41:52,754 INFO L82 PathProgramCache]: Analyzing trace with hash -528159342, now seen corresponding path program 1 times [2021-02-24 03:41:52,754 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2021-02-24 03:41:52,755 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [651629030] [2021-02-24 03:41:52,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-02-24 03:41:52,803 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 03:41:52,808 INFO L168 Benchmark]: Toolchain (without parser) took 211060.11 ms. Allocated memory was 152.0 MB in the beginning and 619.7 MB in the end (delta: 467.7 MB). Free memory was 134.4 MB in the beginning and 489.9 MB in the end (delta: -355.5 MB). Peak memory consumption was 112.1 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:52,808 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 152.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 79.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-02-24 03:41:52,808 INFO L168 Benchmark]: CACSL2BoogieTranslator took 623.75 ms. Allocated memory is still 152.0 MB. Free memory was 133.1 MB in the beginning and 127.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:52,808 INFO L168 Benchmark]: Boogie Preprocessor took 92.27 ms. Allocated memory is still 152.0 MB. Free memory was 127.5 MB in the beginning and 123.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:52,809 INFO L168 Benchmark]: RCFGBuilder took 2029.98 ms. Allocated memory was 152.0 MB in the beginning and 192.9 MB in the end (delta: 40.9 MB). Free memory was 123.5 MB in the beginning and 170.8 MB in the end (delta: -47.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:52,809 INFO L168 Benchmark]: TraceAbstraction took 208293.82 ms. Allocated memory was 192.9 MB in the beginning and 619.7 MB in the end (delta: 426.8 MB). Free memory was 170.3 MB in the beginning and 489.9 MB in the end (delta: -319.6 MB). Peak memory consumption was 107.1 MB. Max. memory is 8.0 GB. [2021-02-24 03:41:52,810 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 152.0 MB. Free memory was 124.6 MB in the beginning and 124.5 MB in the end (delta: 79.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 623.75 ms. Allocated memory is still 152.0 MB. Free memory was 133.1 MB in the beginning and 127.5 MB in the end (delta: 5.6 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 92.27 ms. Allocated memory is still 152.0 MB. Free memory was 127.5 MB in the beginning and 123.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 2029.98 ms. Allocated memory was 152.0 MB in the beginning and 192.9 MB in the end (delta: 40.9 MB). Free memory was 123.5 MB in the beginning and 170.8 MB in the end (delta: -47.3 MB). Peak memory consumption was 62.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 208293.82 ms. Allocated memory was 192.9 MB in the beginning and 619.7 MB in the end (delta: 426.8 MB). Free memory was 170.3 MB in the beginning and 489.9 MB in the end (delta: -319.6 MB). Peak memory consumption was 107.1 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.lib.acceleratedinterpolation.loopaccelerator.AcceleratorWernerOverapprox.accelerateLoop(AcceleratorWernerOverapprox.java:55) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...