/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 --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:27:21,466 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:27:21,468 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:27:21,505 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:27:21,506 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:27:21,507 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:27:21,509 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:27:21,512 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:27:21,514 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:27:21,515 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:27:21,516 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:27:21,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:27:21,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:27:21,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:27:21,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:27:21,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:27:21,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:27:21,525 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:27:21,527 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:27:21,544 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:27:21,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:27:21,548 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:27:21,549 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:27:21,550 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:27:21,553 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:27:21,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:27:21,556 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:27:21,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:27:21,558 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:27:21,564 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:27:21,564 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:27:21,565 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:27:21,570 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:27:21,571 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:27:21,573 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:27:21,576 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:27:21,577 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:27:21,577 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:27:21,578 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:27:21,589 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:27:21,590 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:27:21,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:27:21,612 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:27:21,613 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:27:21,617 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:27:21,618 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:27:21,618 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:27:21,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:27:21,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:27:21,619 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:27:21,619 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:27:21,620 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:27:21,621 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:27:21,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:27:21,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:27:21,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:27:21,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:27:21,623 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:27:21,623 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:27:21,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:27:21,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:27:21,624 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:27:21,624 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:27:21,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:27:21,624 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:27:22,048 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:27:22,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:27:22,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:27:22,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:27:22,077 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:27:22,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-11-07 04:27:22,162 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62650ad18/d844f42cceff4889a94deef9bfada06e/FLAG5aca28eca [2020-11-07 04:27:22,762 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:27:22,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product48.cil.c [2020-11-07 04:27:22,780 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62650ad18/d844f42cceff4889a94deef9bfada06e/FLAG5aca28eca [2020-11-07 04:27:23,077 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/62650ad18/d844f42cceff4889a94deef9bfada06e [2020-11-07 04:27:23,080 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:27:23,087 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:27:23,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:27:23,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:27:23,095 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:27:23,096 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:27:23" (1/1) ... [2020-11-07 04:27:23,099 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@640e959 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23, skipping insertion in model container [2020-11-07 04:27:23,099 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:27:23" (1/1) ... [2020-11-07 04:27:23,107 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:27:23,152 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:27:23,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:27:23,524 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:27:23,695 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:27:23,743 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:27:23,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23 WrapperNode [2020-11-07 04:27:23,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:27:23,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:27:23,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:27:23,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:27:23,759 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23" (1/1) ... [2020-11-07 04:27:23,759 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23" (1/1) ... [2020-11-07 04:27:23,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23" (1/1) ... [2020-11-07 04:27:23,799 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23" (1/1) ... [2020-11-07 04:27:23,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23" (1/1) ... [2020-11-07 04:27:23,842 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23" (1/1) ... [2020-11-07 04:27:23,847 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23" (1/1) ... [2020-11-07 04:27:23,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:27:23,857 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:27:23,857 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:27:23,857 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:27:23,858 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:27:23,938 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:27:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:27:23,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:27:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:27:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:27:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:27:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:27:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:27:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:27:23,940 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:27:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:27:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:27:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:27:23,941 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:27:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:27:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:27:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:27:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:27:23,942 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:27:23,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:27:23,943 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:27:23,944 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:27:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:27:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:27:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:27:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:27:23,946 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:27:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:27:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:27:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:27:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:27:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:27:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:27:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:27:23,947 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:27:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:27:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:27:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:27:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:27:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:27:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:27:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:27:23,948 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:27:23,949 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:27:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:27:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:27:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:27:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:27:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:27:23,949 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:27:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:27:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:27:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:27:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:27:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:27:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:27:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:27:23,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:27:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:27:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:27:23,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:27:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:27:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:27:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:27:23,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:27:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:27:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:27:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:27:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:27:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:27:23,953 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:27:23,954 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:27:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:27:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:27:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:27:23,955 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:27:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:27:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:27:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:27:23,956 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:27:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:27:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:27:23,957 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:27:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:27:23,958 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:27:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:27:23,959 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:27:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:27:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:27:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:27:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:27:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:27:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:27:23,960 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:27:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:27:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:27:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:27:23,961 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:27:25,358 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:27:25,358 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:27:25,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:27:25 BoogieIcfgContainer [2020-11-07 04:27:25,361 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:27:25,363 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:27:25,363 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:27:25,366 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:27:25,366 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:27:23" (1/3) ... [2020-11-07 04:27:25,367 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2ecf60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:27:25, skipping insertion in model container [2020-11-07 04:27:25,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:27:23" (2/3) ... [2020-11-07 04:27:25,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b2ecf60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:27:25, skipping insertion in model container [2020-11-07 04:27:25,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:27:25" (3/3) ... [2020-11-07 04:27:25,370 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product48.cil.c [2020-11-07 04:27:25,385 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:27:25,389 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:27:25,402 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:27:25,432 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:27:25,433 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:27:25,433 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:27:25,433 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:27:25,433 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:27:25,433 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:27:25,433 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:27:25,434 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:27:25,491 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states. [2020-11-07 04:27:25,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:27:25,513 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:25,514 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:25,515 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:25,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:25,522 INFO L82 PathProgramCache]: Analyzing trace with hash 1811795048, now seen corresponding path program 1 times [2020-11-07 04:27:25,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:25,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1795822425] [2020-11-07 04:27:25,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:25,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,355 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:26,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:26,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:26,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:26,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:26,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:27:26,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:26,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:27:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:27:26,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:26,624 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:27:26,625 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1795822425] [2020-11-07 04:27:26,627 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:26,627 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:27:26,628 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [671237004] [2020-11-07 04:27:26,633 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:27:26,634 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:26,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:27:26,648 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:27:26,650 INFO L87 Difference]: Start difference. First operand 347 states. Second operand 4 states. [2020-11-07 04:27:28,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:28,501 INFO L93 Difference]: Finished difference Result 550 states and 647 transitions. [2020-11-07 04:27:28,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:27:28,503 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:27:28,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:28,522 INFO L225 Difference]: With dead ends: 550 [2020-11-07 04:27:28,522 INFO L226 Difference]: Without dead ends: 344 [2020-11-07 04:27:28,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:27:28,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-11-07 04:27:28,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 293. [2020-11-07 04:27:28,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 293 states. [2020-11-07 04:27:28,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 320 transitions. [2020-11-07 04:27:28,718 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 320 transitions. Word has length 166 [2020-11-07 04:27:28,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:28,719 INFO L481 AbstractCegarLoop]: Abstraction has 293 states and 320 transitions. [2020-11-07 04:27:28,719 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:27:28,719 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 320 transitions. [2020-11-07 04:27:28,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:27:28,724 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:28,725 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:28,725 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:27:28,725 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:28,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:28,726 INFO L82 PathProgramCache]: Analyzing trace with hash 1988391958, now seen corresponding path program 1 times [2020-11-07 04:27:28,727 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:28,727 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1703276416] [2020-11-07 04:27:28,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:28,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,221 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:29,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:29,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:29,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:29,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:29,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:29,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:27:29,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:27:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:29,338 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:27:29,339 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1703276416] [2020-11-07 04:27:29,339 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:29,339 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:27:29,339 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803533094] [2020-11-07 04:27:29,341 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:27:29,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:29,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:27:29,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:27:29,343 INFO L87 Difference]: Start difference. First operand 293 states and 320 transitions. Second operand 5 states. [2020-11-07 04:27:30,223 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:31,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:31,794 INFO L93 Difference]: Finished difference Result 466 states and 527 transitions. [2020-11-07 04:27:31,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:27:31,795 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:27:31,797 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:31,806 INFO L225 Difference]: With dead ends: 466 [2020-11-07 04:27:31,806 INFO L226 Difference]: Without dead ends: 333 [2020-11-07 04:27:31,814 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:27:31,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 333 states. [2020-11-07 04:27:31,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 333 to 283. [2020-11-07 04:27:31,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-11-07 04:27:31,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 307 transitions. [2020-11-07 04:27:31,938 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 307 transitions. Word has length 167 [2020-11-07 04:27:31,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:31,939 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 307 transitions. [2020-11-07 04:27:31,939 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:27:31,939 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 307 transitions. [2020-11-07 04:27:31,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:27:31,942 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:31,943 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:31,943 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:27:31,944 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:31,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:31,944 INFO L82 PathProgramCache]: Analyzing trace with hash -980151545, now seen corresponding path program 1 times [2020-11-07 04:27:31,944 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:31,945 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1154446575] [2020-11-07 04:27:31,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:31,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,423 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:32,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:32,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:32,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:32,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:27:32,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:27:32,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:27:32,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,644 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:27:32,646 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1154446575] [2020-11-07 04:27:32,646 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:32,646 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:27:32,647 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684267171] [2020-11-07 04:27:32,647 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:27:32,648 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:32,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:27:32,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:27:32,649 INFO L87 Difference]: Start difference. First operand 283 states and 307 transitions. Second operand 11 states. [2020-11-07 04:27:33,351 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:33,868 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:34,284 WARN L194 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:34,705 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:35,146 WARN L194 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:35,577 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:37,078 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:40,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:40,396 INFO L93 Difference]: Finished difference Result 781 states and 909 transitions. [2020-11-07 04:27:40,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:27:40,397 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:27:40,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:40,404 INFO L225 Difference]: With dead ends: 781 [2020-11-07 04:27:40,404 INFO L226 Difference]: Without dead ends: 618 [2020-11-07 04:27:40,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:27:40,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2020-11-07 04:27:40,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 513. [2020-11-07 04:27:40,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 513 states. [2020-11-07 04:27:40,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 577 transitions. [2020-11-07 04:27:40,664 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 577 transitions. Word has length 180 [2020-11-07 04:27:40,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:40,665 INFO L481 AbstractCegarLoop]: Abstraction has 513 states and 577 transitions. [2020-11-07 04:27:40,665 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:27:40,665 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 577 transitions. [2020-11-07 04:27:40,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-07 04:27:40,669 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:40,669 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:40,669 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:27:40,670 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:40,670 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:40,670 INFO L82 PathProgramCache]: Analyzing trace with hash -1413789231, now seen corresponding path program 1 times [2020-11-07 04:27:40,671 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:40,671 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659764036] [2020-11-07 04:27:40,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:40,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,178 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:41,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:41,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:41,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:41,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:41,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:41,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:27:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:27:41,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:41,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-11-07 04:27:41,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 04:27:41,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:41,507 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-07 04:27:41,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659764036] [2020-11-07 04:27:41,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:41,508 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:27:41,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [775652540] [2020-11-07 04:27:41,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:27:41,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:41,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:27:41,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:27:41,514 INFO L87 Difference]: Start difference. First operand 513 states and 577 transitions. Second operand 10 states. [2020-11-07 04:27:42,142 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:43,349 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:43,756 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:45,219 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:45,637 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:46,036 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:46,557 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:46,956 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:47,411 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:48,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:48,260 INFO L93 Difference]: Finished difference Result 1201 states and 1434 transitions. [2020-11-07 04:27:48,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:27:48,261 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-11-07 04:27:48,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:48,268 INFO L225 Difference]: With dead ends: 1201 [2020-11-07 04:27:48,269 INFO L226 Difference]: Without dead ends: 808 [2020-11-07 04:27:48,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:27:48,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2020-11-07 04:27:48,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 715. [2020-11-07 04:27:48,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 715 states. [2020-11-07 04:27:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 715 states to 715 states and 801 transitions. [2020-11-07 04:27:48,623 INFO L78 Accepts]: Start accepts. Automaton has 715 states and 801 transitions. Word has length 185 [2020-11-07 04:27:48,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:48,625 INFO L481 AbstractCegarLoop]: Abstraction has 715 states and 801 transitions. [2020-11-07 04:27:48,625 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:27:48,625 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 801 transitions. [2020-11-07 04:27:48,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:27:48,631 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:48,631 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:48,631 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:27:48,632 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:48,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:48,632 INFO L82 PathProgramCache]: Analyzing trace with hash 995654870, now seen corresponding path program 1 times [2020-11-07 04:27:48,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:48,633 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1330195028] [2020-11-07 04:27:48,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:48,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,045 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:49,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:49,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:49,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:27:49,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:49,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:27:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:49,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:49,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:49,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:49,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:27:49,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:27:49,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,372 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:27:49,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1330195028] [2020-11-07 04:27:49,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:49,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:27:49,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150084440] [2020-11-07 04:27:49,374 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:27:49,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:49,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:27:49,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:27:49,376 INFO L87 Difference]: Start difference. First operand 715 states and 801 transitions. Second operand 11 states. [2020-11-07 04:27:51,334 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:51,769 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:27:52,208 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:27:52,617 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:53,037 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:53,428 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:55,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:55,257 INFO L93 Difference]: Finished difference Result 1522 states and 1835 transitions. [2020-11-07 04:27:55,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:27:55,261 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 240 [2020-11-07 04:27:55,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:55,268 INFO L225 Difference]: With dead ends: 1522 [2020-11-07 04:27:55,268 INFO L226 Difference]: Without dead ends: 927 [2020-11-07 04:27:55,271 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:27:55,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2020-11-07 04:27:55,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 734. [2020-11-07 04:27:55,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-11-07 04:27:55,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 821 transitions. [2020-11-07 04:27:55,541 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 821 transitions. Word has length 240 [2020-11-07 04:27:55,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:55,542 INFO L481 AbstractCegarLoop]: Abstraction has 734 states and 821 transitions. [2020-11-07 04:27:55,542 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:27:55,542 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 821 transitions. [2020-11-07 04:27:55,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:27:55,546 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:55,547 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:55,547 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:27:55,547 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:55,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:55,548 INFO L82 PathProgramCache]: Analyzing trace with hash 220956790, now seen corresponding path program 1 times [2020-11-07 04:27:55,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:55,549 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1901114635] [2020-11-07 04:27:55,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:55,947 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:55,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:55,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:56,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:56,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:27:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:56,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:56,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:27:56,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:56,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:56,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:56,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:27:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:27:56,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:56,294 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:27:56,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1901114635] [2020-11-07 04:27:56,296 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:27:56,297 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:27:56,297 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568746305] [2020-11-07 04:27:56,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:27:56,298 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:56,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:27:56,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:27:56,299 INFO L87 Difference]: Start difference. First operand 734 states and 821 transitions. Second operand 14 states. [2020-11-07 04:27:57,136 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:57,558 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:27:57,959 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:58,352 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:58,740 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:00,201 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:00,623 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:01,087 WARN L194 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:01,533 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:01,932 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:04,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:04,034 INFO L93 Difference]: Finished difference Result 1559 states and 1873 transitions. [2020-11-07 04:28:04,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:28:04,035 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-11-07 04:28:04,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:04,042 INFO L225 Difference]: With dead ends: 1559 [2020-11-07 04:28:04,042 INFO L226 Difference]: Without dead ends: 945 [2020-11-07 04:28:04,046 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:28:04,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2020-11-07 04:28:04,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 746. [2020-11-07 04:28:04,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 746 states. [2020-11-07 04:28:04,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 746 states and 833 transitions. [2020-11-07 04:28:04,454 INFO L78 Accepts]: Start accepts. Automaton has 746 states and 833 transitions. Word has length 240 [2020-11-07 04:28:04,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:04,455 INFO L481 AbstractCegarLoop]: Abstraction has 746 states and 833 transitions. [2020-11-07 04:28:04,455 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:28:04,455 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 833 transitions. [2020-11-07 04:28:04,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:28:04,461 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:04,461 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:04,461 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:28:04,462 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:04,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:04,462 INFO L82 PathProgramCache]: Analyzing trace with hash 1286383897, now seen corresponding path program 1 times [2020-11-07 04:28:04,463 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:04,463 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1451347190] [2020-11-07 04:28:04,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,886 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:04,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:04,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:04,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:04,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:04,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:28:04,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:04,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:28:04,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:05,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:05,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:05,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:28:05,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:28:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:05,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:28:05,174 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1451347190] [2020-11-07 04:28:05,175 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:05,175 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:28:05,175 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990858816] [2020-11-07 04:28:05,176 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:28:05,176 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:05,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:28:05,177 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:28:05,177 INFO L87 Difference]: Start difference. First operand 746 states and 833 transitions. Second operand 8 states. [2020-11-07 04:28:05,868 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:06,730 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:10,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:10,632 INFO L93 Difference]: Finished difference Result 2329 states and 2834 transitions. [2020-11-07 04:28:10,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-11-07 04:28:10,632 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 240 [2020-11-07 04:28:10,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:10,643 INFO L225 Difference]: With dead ends: 2329 [2020-11-07 04:28:10,643 INFO L226 Difference]: Without dead ends: 1703 [2020-11-07 04:28:10,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 51 SyntacticMatches, 3 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=163, Invalid=487, Unknown=0, NotChecked=0, Total=650 [2020-11-07 04:28:10,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1703 states. [2020-11-07 04:28:11,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1703 to 1434. [2020-11-07 04:28:11,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-11-07 04:28:11,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 1630 transitions. [2020-11-07 04:28:11,225 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 1630 transitions. Word has length 240 [2020-11-07 04:28:11,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:11,226 INFO L481 AbstractCegarLoop]: Abstraction has 1434 states and 1630 transitions. [2020-11-07 04:28:11,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:28:11,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 1630 transitions. [2020-11-07 04:28:11,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:28:11,229 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:11,230 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:11,230 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:28:11,230 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:11,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:11,231 INFO L82 PathProgramCache]: Analyzing trace with hash 442691057, now seen corresponding path program 1 times [2020-11-07 04:28:11,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:11,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2001270381] [2020-11-07 04:28:11,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:11,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,805 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:11,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:11,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:11,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:11,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:11,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:11,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:11,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:28:11,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:11,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:28:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:11,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:12,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:12,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:12,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:12,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:12,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:12,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:12,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:12,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:28:12,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:12,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:28:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:12,150 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:28:12,151 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2001270381] [2020-11-07 04:28:12,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:28:12,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:28:12,152 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172086089] [2020-11-07 04:28:12,152 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:28:12,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:12,153 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:28:12,153 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:28:12,153 INFO L87 Difference]: Start difference. First operand 1434 states and 1630 transitions. Second operand 15 states. [2020-11-07 04:28:13,229 WARN L194 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:28:14,474 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:16,175 WARN L194 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:28:16,987 WARN L194 SmtUtils]: Spent 763.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:28:17,520 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:17,956 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:18,721 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:28:19,184 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:19,647 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:20,122 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:24,433 WARN L194 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:28:25,251 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:25,687 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:26,203 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:27,895 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:28:28,698 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:28:29,495 WARN L194 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:28:30,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:30,569 INFO L93 Difference]: Finished difference Result 4376 states and 5349 transitions. [2020-11-07 04:28:30,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-11-07 04:28:30,570 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 245 [2020-11-07 04:28:30,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:30,596 INFO L225 Difference]: With dead ends: 4376 [2020-11-07 04:28:30,596 INFO L226 Difference]: Without dead ends: 3343 [2020-11-07 04:28:30,605 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1301 ImplicationChecksByTransitivity, 10.7s TimeCoverageRelationStatistics Valid=829, Invalid=3331, Unknown=0, NotChecked=0, Total=4160 [2020-11-07 04:28:30,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3343 states. [2020-11-07 04:28:32,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3343 to 2631. [2020-11-07 04:28:32,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2631 states. [2020-11-07 04:28:32,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2631 states to 2631 states and 2971 transitions. [2020-11-07 04:28:32,070 INFO L78 Accepts]: Start accepts. Automaton has 2631 states and 2971 transitions. Word has length 245 [2020-11-07 04:28:32,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:32,071 INFO L481 AbstractCegarLoop]: Abstraction has 2631 states and 2971 transitions. [2020-11-07 04:28:32,071 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:28:32,071 INFO L276 IsEmpty]: Start isEmpty. Operand 2631 states and 2971 transitions. [2020-11-07 04:28:32,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-11-07 04:28:32,076 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:32,077 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:32,077 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:28:32,077 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:32,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:32,078 INFO L82 PathProgramCache]: Analyzing trace with hash -321643640, now seen corresponding path program 1 times [2020-11-07 04:28:32,078 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:32,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [546740821] [2020-11-07 04:28:32,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:32,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,516 WARN L194 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:32,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:32,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:32,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:32,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:32,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:32,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:32,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:28:32,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:32,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:32,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:32,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:32,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:32,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:28:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:32,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:28:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:28:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-07 04:28:32,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-11-07 04:28:32,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:32,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:32,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:32,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:32,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-11-07 04:28:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-11-07 04:28:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:33,122 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-07 04:28:33,123 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [546740821] [2020-11-07 04:28:33,123 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:28:33,123 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:28:33,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490918314] [2020-11-07 04:28:33,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:28:33,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:33,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:28:33,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:28:33,125 INFO L87 Difference]: Start difference. First operand 2631 states and 2971 transitions. Second operand 19 states. [2020-11-07 04:28:34,260 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:28:34,673 WARN L194 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:28:35,081 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:35,509 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:35,902 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:37,173 WARN L194 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:28:37,729 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:28:38,283 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:28:38,711 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:28:39,149 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:39,672 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:28:40,247 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:28:40,745 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:28:43,700 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:45,488 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:28:46,303 WARN L194 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:28:47,208 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:28:47,819 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:48,845 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:49,671 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:28:50,193 WARN L194 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:28:51,174 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:28:52,046 WARN L194 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:28:53,639 WARN L194 SmtUtils]: Spent 430.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-11-07 04:28:54,426 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:55,333 WARN L194 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:28:57,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:57,905 INFO L93 Difference]: Finished difference Result 5953 states and 7005 transitions. [2020-11-07 04:28:57,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-11-07 04:28:57,905 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 331 [2020-11-07 04:28:57,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:57,929 INFO L225 Difference]: With dead ends: 5953 [2020-11-07 04:28:57,929 INFO L226 Difference]: Without dead ends: 3708 [2020-11-07 04:28:57,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2463 ImplicationChecksByTransitivity, 15.3s TimeCoverageRelationStatistics Valid=1409, Invalid=6601, Unknown=0, NotChecked=0, Total=8010 [2020-11-07 04:28:57,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2020-11-07 04:28:59,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 3057. [2020-11-07 04:28:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3057 states. [2020-11-07 04:28:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 3057 states and 3400 transitions. [2020-11-07 04:28:59,400 INFO L78 Accepts]: Start accepts. Automaton has 3057 states and 3400 transitions. Word has length 331 [2020-11-07 04:28:59,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:59,401 INFO L481 AbstractCegarLoop]: Abstraction has 3057 states and 3400 transitions. [2020-11-07 04:28:59,401 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:28:59,401 INFO L276 IsEmpty]: Start isEmpty. Operand 3057 states and 3400 transitions. [2020-11-07 04:28:59,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 579 [2020-11-07 04:28:59,414 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:59,415 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:59,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:28:59,415 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:28:59,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:59,416 INFO L82 PathProgramCache]: Analyzing trace with hash 684137495, now seen corresponding path program 1 times [2020-11-07 04:28:59,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:59,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [175648926] [2020-11-07 04:28:59,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:59,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,806 WARN L194 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:59,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:59,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:59,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:59,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:28:59,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:59,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:59,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:59,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:59,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:59,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:29:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:29:00,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:29:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:00,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:00,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:00,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:00,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:00,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:29:00,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:00,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-11-07 04:29:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-11-07 04:29:00,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:00,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:00,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:00,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:00,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:29:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 421 [2020-11-07 04:29:00,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-11-07 04:29:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:00,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:00,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:00,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2020-11-07 04:29:00,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-11-07 04:29:00,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:00,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 491 [2020-11-07 04:29:00,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:00,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:00,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:00,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-11-07 04:29:00,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 564 [2020-11-07 04:29:00,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:00,740 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 172 proven. 14 refuted. 0 times theorem prover too weak. 475 trivial. 0 not checked. [2020-11-07 04:29:00,741 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [175648926] [2020-11-07 04:29:00,741 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:00,741 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:29:00,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1707623186] [2020-11-07 04:29:00,742 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:29:00,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:00,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:29:00,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:29:00,743 INFO L87 Difference]: Start difference. First operand 3057 states and 3400 transitions. Second operand 18 states. [2020-11-07 04:29:01,561 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:02,910 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:06,177 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:06,602 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:07,060 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:07,548 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:07,948 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:08,360 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:29:08,746 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:09,159 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:09,564 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:10,025 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:29:10,427 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:10,905 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:29:13,376 WARN L194 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:14,156 WARN L194 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:29:14,892 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:29:15,309 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:15,747 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:29:16,157 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:29:19,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:19,379 INFO L93 Difference]: Finished difference Result 9355 states and 10819 transitions. [2020-11-07 04:29:19,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-11-07 04:29:19,379 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 578 [2020-11-07 04:29:19,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:19,416 INFO L225 Difference]: With dead ends: 9355 [2020-11-07 04:29:19,417 INFO L226 Difference]: Without dead ends: 6431 [2020-11-07 04:29:19,428 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 139 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1217 ImplicationChecksByTransitivity, 9.7s TimeCoverageRelationStatistics Valid=877, Invalid=3545, Unknown=0, NotChecked=0, Total=4422 [2020-11-07 04:29:19,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6431 states. [2020-11-07 04:29:21,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6431 to 5621. [2020-11-07 04:29:21,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5621 states. [2020-11-07 04:29:21,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5621 states to 5621 states and 6192 transitions. [2020-11-07 04:29:21,906 INFO L78 Accepts]: Start accepts. Automaton has 5621 states and 6192 transitions. Word has length 578 [2020-11-07 04:29:21,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:21,907 INFO L481 AbstractCegarLoop]: Abstraction has 5621 states and 6192 transitions. [2020-11-07 04:29:21,907 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:29:21,907 INFO L276 IsEmpty]: Start isEmpty. Operand 5621 states and 6192 transitions. [2020-11-07 04:29:21,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 584 [2020-11-07 04:29:21,929 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:21,929 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:29:21,930 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:29:21,930 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:29:21,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:21,930 INFO L82 PathProgramCache]: Analyzing trace with hash 691182261, now seen corresponding path program 1 times [2020-11-07 04:29:21,934 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:21,935 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1484552978] [2020-11-07 04:29:21,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,373 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:22,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:22,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:22,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:22,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:29:22,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:29:22,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:29:22,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:22,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:22,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:22,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:22,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:22,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:22,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:29:22,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:22,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:22,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:29:23,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:29:23,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:23,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:23,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:23,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:29:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:29:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 04:29:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:23,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:23,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:23,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:29:23,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-11-07 04:29:23,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 431 [2020-11-07 04:29:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2020-11-07 04:29:23,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-11-07 04:29:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:23,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 496 [2020-11-07 04:29:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:23,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:23,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:23,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:23,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:23,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-11-07 04:29:23,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 569 [2020-11-07 04:29:23,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:23,444 INFO L134 CoverageAnalysis]: Checked inductivity of 661 backedges. 110 proven. 53 refuted. 0 times theorem prover too weak. 498 trivial. 0 not checked. [2020-11-07 04:29:23,444 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1484552978] [2020-11-07 04:29:23,445 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:23,445 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-11-07 04:29:23,445 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1067498246] [2020-11-07 04:29:23,446 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-07 04:29:23,446 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:23,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-07 04:29:23,447 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=492, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:29:23,447 INFO L87 Difference]: Start difference. First operand 5621 states and 6192 transitions. Second operand 24 states. [2020-11-07 04:29:24,244 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:24,764 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:25,166 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:29:25,637 WARN L194 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:26,031 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:29:26,406 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:27,695 WARN L194 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:31,934 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:32,360 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:32,846 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:33,346 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:33,758 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:34,175 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:34,641 WARN L194 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:35,065 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:35,478 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:35,967 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:36,374 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:36,832 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:37,632 WARN L194 SmtUtils]: Spent 674.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:29:38,497 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:29:39,355 WARN L194 SmtUtils]: Spent 736.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:29:46,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:46,781 INFO L93 Difference]: Finished difference Result 11829 states and 13593 transitions. [2020-11-07 04:29:46,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2020-11-07 04:29:46,782 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 583 [2020-11-07 04:29:46,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:46,819 INFO L225 Difference]: With dead ends: 11829 [2020-11-07 04:29:46,819 INFO L226 Difference]: Without dead ends: 6909 [2020-11-07 04:29:46,835 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 234 GetRequests, 147 SyntacticMatches, 3 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2152 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=1338, Invalid=5972, Unknown=0, NotChecked=0, Total=7310 [2020-11-07 04:29:46,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6909 states. [2020-11-07 04:29:49,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6909 to 5399. [2020-11-07 04:29:49,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5399 states. [2020-11-07 04:29:49,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5399 states to 5399 states and 5917 transitions. [2020-11-07 04:29:49,370 INFO L78 Accepts]: Start accepts. Automaton has 5399 states and 5917 transitions. Word has length 583 [2020-11-07 04:29:49,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:49,370 INFO L481 AbstractCegarLoop]: Abstraction has 5399 states and 5917 transitions. [2020-11-07 04:29:49,370 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-07 04:29:49,370 INFO L276 IsEmpty]: Start isEmpty. Operand 5399 states and 5917 transitions. [2020-11-07 04:29:49,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2020-11-07 04:29:49,389 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:49,389 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:29:49,390 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:29:49,390 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:29:49,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:49,391 INFO L82 PathProgramCache]: Analyzing trace with hash 2139189898, now seen corresponding path program 1 times [2020-11-07 04:29:49,391 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:49,391 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972812394] [2020-11-07 04:29:49,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,827 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:49,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:49,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:49,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:49,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:29:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:29:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:49,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:49,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:49,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:49,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:49,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:49,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:49,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:29:49,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:49,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:29:49,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:29:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:49,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:49,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:49,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:50,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:50,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:29:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-11-07 04:29:50,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-11-07 04:29:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:50,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:50,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:50,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:50,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:29:50,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-11-07 04:29:50,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:50,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-11-07 04:29:50,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:50,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:50,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:50,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2020-11-07 04:29:50,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 484 [2020-11-07 04:29:50,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2020-11-07 04:29:50,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-11-07 04:29:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:50,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:50,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:50,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:50,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-11-07 04:29:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-11-07 04:29:50,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:50,520 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-11-07 04:29:50,520 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972812394] [2020-11-07 04:29:50,520 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:50,520 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-11-07 04:29:50,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [64964055] [2020-11-07 04:29:50,521 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-07 04:29:50,521 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:50,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-07 04:29:50,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:29:50,522 INFO L87 Difference]: Start difference. First operand 5399 states and 5917 transitions. Second operand 16 states. [2020-11-07 04:29:52,649 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:29:53,046 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:29:53,479 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:29:53,928 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:29:54,342 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:29:54,728 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:29:55,386 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:57,050 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:57,490 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:57,976 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:29:58,426 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:04,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:30:04,088 INFO L93 Difference]: Finished difference Result 15590 states and 18009 transitions. [2020-11-07 04:30:04,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2020-11-07 04:30:04,093 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 590 [2020-11-07 04:30:04,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:30:04,142 INFO L225 Difference]: With dead ends: 15590 [2020-11-07 04:30:04,142 INFO L226 Difference]: Without dead ends: 9355 [2020-11-07 04:30:04,161 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 141 SyntacticMatches, 4 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 434 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=539, Invalid=1441, Unknown=0, NotChecked=0, Total=1980 [2020-11-07 04:30:04,172 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9355 states. [2020-11-07 04:30:07,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9355 to 6735. [2020-11-07 04:30:07,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6735 states. [2020-11-07 04:30:07,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6735 states to 6735 states and 7419 transitions. [2020-11-07 04:30:07,302 INFO L78 Accepts]: Start accepts. Automaton has 6735 states and 7419 transitions. Word has length 590 [2020-11-07 04:30:07,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:30:07,304 INFO L481 AbstractCegarLoop]: Abstraction has 6735 states and 7419 transitions. [2020-11-07 04:30:07,304 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-07 04:30:07,304 INFO L276 IsEmpty]: Start isEmpty. Operand 6735 states and 7419 transitions. [2020-11-07 04:30:07,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2020-11-07 04:30:07,325 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:30:07,326 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:30:07,326 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:30:07,326 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:30:07,327 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:30:07,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1820099777, now seen corresponding path program 1 times [2020-11-07 04:30:07,327 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:30:07,327 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1719727987] [2020-11-07 04:30:07,327 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:30:07,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,747 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:30:07,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:07,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:30:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:30:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:30:07,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:30:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:30:07,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:30:07,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:30:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:30:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:30:07,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:07,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:07,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:07,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:07,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:30:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:07,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:30:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:30:08,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:30:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:08,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:08,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:08,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:08,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:30:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:08,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 04:30:08,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-11-07 04:30:08,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:08,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:08,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:08,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:08,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:08,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:08,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:30:08,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:08,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 434 [2020-11-07 04:30:08,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-11-07 04:30:08,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 451 [2020-11-07 04:30:08,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-11-07 04:30:08,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:08,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-11-07 04:30:08,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:08,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:08,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:08,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 533 [2020-11-07 04:30:08,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2020-11-07 04:30:08,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 135 proven. 32 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2020-11-07 04:30:08,620 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1719727987] [2020-11-07 04:30:08,620 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:30:08,620 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-11-07 04:30:08,620 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726691685] [2020-11-07 04:30:08,621 INFO L461 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-11-07 04:30:08,621 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:30:08,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-11-07 04:30:08,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:30:08,622 INFO L87 Difference]: Start difference. First operand 6735 states and 7419 transitions. Second operand 21 states. [2020-11-07 04:30:09,388 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:09,919 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:10,321 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:30:10,720 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:11,096 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:30:11,473 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:12,634 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:13,314 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:13,781 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:14,286 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:14,772 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:17,748 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:18,282 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:18,785 WARN L194 SmtUtils]: Spent 441.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:30:19,298 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:19,809 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:20,226 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:20,778 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:30:22,462 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:22,991 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:23,412 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:30:24,011 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:30:24,552 WARN L194 SmtUtils]: Spent 443.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:30:26,665 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:27,090 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:30:27,500 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:27,925 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:30:28,382 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:30:28,792 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:30:33,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:30:33,826 INFO L93 Difference]: Finished difference Result 14578 states and 16804 transitions. [2020-11-07 04:30:33,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-11-07 04:30:33,827 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 557 [2020-11-07 04:30:33,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:30:34,012 INFO L225 Difference]: With dead ends: 14578 [2020-11-07 04:30:34,012 INFO L226 Difference]: Without dead ends: 8544 [2020-11-07 04:30:34,032 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3587 ImplicationChecksByTransitivity, 12.9s TimeCoverageRelationStatistics Valid=1686, Invalid=8820, Unknown=0, NotChecked=0, Total=10506 [2020-11-07 04:30:34,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8544 states. [2020-11-07 04:30:36,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8544 to 6599. [2020-11-07 04:30:36,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6599 states. [2020-11-07 04:30:36,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6599 states to 6599 states and 7237 transitions. [2020-11-07 04:30:36,950 INFO L78 Accepts]: Start accepts. Automaton has 6599 states and 7237 transitions. Word has length 557 [2020-11-07 04:30:36,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:30:36,951 INFO L481 AbstractCegarLoop]: Abstraction has 6599 states and 7237 transitions. [2020-11-07 04:30:36,951 INFO L482 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-11-07 04:30:36,951 INFO L276 IsEmpty]: Start isEmpty. Operand 6599 states and 7237 transitions. [2020-11-07 04:30:36,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2020-11-07 04:30:36,970 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:30:36,971 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:30:36,971 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:30:36,971 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:30:36,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:30:36,972 INFO L82 PathProgramCache]: Analyzing trace with hash 1403824060, now seen corresponding path program 1 times [2020-11-07 04:30:36,972 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:30:36,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1615055310] [2020-11-07 04:30:36,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:30:37,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,400 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:30:37,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:37,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:30:37,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:30:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:30:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:30:37,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:30:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:30:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:30:37,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:30:37,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:37,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:30:37,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:37,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:37,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:37,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:37,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:30:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:37,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:30:37,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:30:37,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:30:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:37,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:37,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:37,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:37,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:30:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:37,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:37,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:37,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:30:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:30:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:38,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:30:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:38,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:38,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:30:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:30:38,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:30:38,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-11-07 04:30:38,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-11-07 04:30:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:30:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:30:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 467 [2020-11-07 04:30:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:30:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:30:38,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:30:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:30:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:30:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-11-07 04:30:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-11-07 04:30:38,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:30:38,243 INFO L134 CoverageAnalysis]: Checked inductivity of 551 backedges. 132 proven. 31 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2020-11-07 04:30:38,243 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1615055310] [2020-11-07 04:30:38,244 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:30:38,244 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-11-07 04:30:38,244 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886245098] [2020-11-07 04:30:38,244 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-07 04:30:38,244 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:30:38,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-07 04:30:38,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:30:38,245 INFO L87 Difference]: Start difference. First operand 6599 states and 7237 transitions. Second operand 23 states. [2020-11-07 04:30:39,037 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:39,570 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:30:39,974 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:30:40,378 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:40,774 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:30:41,152 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:42,332 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:30:45,761 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:46,220 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:46,726 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:47,175 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:47,630 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:48,045 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:48,440 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:48,864 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:49,277 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:49,765 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:50,175 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:30:50,600 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:30:53,875 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:30:54,681 WARN L194 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:30:55,427 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:30:59,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:30:59,825 INFO L93 Difference]: Finished difference Result 13905 states and 15935 transitions. [2020-11-07 04:30:59,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2020-11-07 04:30:59,825 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 554 [2020-11-07 04:30:59,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:30:59,858 INFO L225 Difference]: With dead ends: 13905 [2020-11-07 04:30:59,858 INFO L226 Difference]: Without dead ends: 8007 [2020-11-07 04:30:59,874 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 148 SyntacticMatches, 1 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2176 ImplicationChecksByTransitivity, 11.3s TimeCoverageRelationStatistics Valid=1316, Invalid=5994, Unknown=0, NotChecked=0, Total=7310 [2020-11-07 04:30:59,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8007 states. [2020-11-07 04:31:02,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8007 to 6131. [2020-11-07 04:31:02,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6131 states. [2020-11-07 04:31:02,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6131 states to 6131 states and 6719 transitions. [2020-11-07 04:31:02,608 INFO L78 Accepts]: Start accepts. Automaton has 6131 states and 6719 transitions. Word has length 554 [2020-11-07 04:31:02,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:31:02,609 INFO L481 AbstractCegarLoop]: Abstraction has 6131 states and 6719 transitions. [2020-11-07 04:31:02,609 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-07 04:31:02,609 INFO L276 IsEmpty]: Start isEmpty. Operand 6131 states and 6719 transitions. [2020-11-07 04:31:02,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2020-11-07 04:31:02,626 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:31:02,626 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:31:02,626 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:31:02,627 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:31:02,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:31:02,627 INFO L82 PathProgramCache]: Analyzing trace with hash 667338820, now seen corresponding path program 1 times [2020-11-07 04:31:02,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:31:02,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [691125727] [2020-11-07 04:31:02,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:31:02,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,039 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:31:03,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:31:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:31:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:31:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:31:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:31:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:31:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:31:03,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:31:03,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:03,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:03,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:03,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:03,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:03,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:03,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:03,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:31:03,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:31:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:31:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:03,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:03,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:03,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-11-07 04:31:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:31:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 04:31:03,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:03,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:03,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:03,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:03,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:31:03,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:03,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-11-07 04:31:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-11-07 04:31:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-11-07 04:31:03,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:03,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-11-07 04:31:03,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:03,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:03,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:31:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-11-07 04:31:03,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:03,709 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 129 proven. 38 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2020-11-07 04:31:03,709 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [691125727] [2020-11-07 04:31:03,709 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:31:03,709 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:31:03,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1206515776] [2020-11-07 04:31:03,710 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:31:03,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:31:03,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:31:03,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:31:03,711 INFO L87 Difference]: Start difference. First operand 6131 states and 6719 transitions. Second operand 18 states. [2020-11-07 04:31:06,188 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:31:06,588 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:31:07,001 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:07,419 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:07,817 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:08,306 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:10,537 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:10,963 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:18,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:31:18,651 INFO L93 Difference]: Finished difference Result 12677 states and 14721 transitions. [2020-11-07 04:31:18,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2020-11-07 04:31:18,653 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 543 [2020-11-07 04:31:18,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:31:18,688 INFO L225 Difference]: With dead ends: 12677 [2020-11-07 04:31:18,689 INFO L226 Difference]: Without dead ends: 9139 [2020-11-07 04:31:18,702 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 143 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1132 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=821, Invalid=3085, Unknown=0, NotChecked=0, Total=3906 [2020-11-07 04:31:18,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9139 states. [2020-11-07 04:31:21,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9139 to 6173. [2020-11-07 04:31:21,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6173 states. [2020-11-07 04:31:21,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6173 states to 6173 states and 6773 transitions. [2020-11-07 04:31:21,526 INFO L78 Accepts]: Start accepts. Automaton has 6173 states and 6773 transitions. Word has length 543 [2020-11-07 04:31:21,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:31:21,526 INFO L481 AbstractCegarLoop]: Abstraction has 6173 states and 6773 transitions. [2020-11-07 04:31:21,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:31:21,527 INFO L276 IsEmpty]: Start isEmpty. Operand 6173 states and 6773 transitions. [2020-11-07 04:31:21,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2020-11-07 04:31:21,544 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:31:21,544 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-11-07 04:31:21,544 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:31:21,544 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:31:21,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:31:21,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1665915226, now seen corresponding path program 1 times [2020-11-07 04:31:21,545 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:31:21,545 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1610085714] [2020-11-07 04:31:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:31:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:21,985 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:31:21,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:31:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:31:22,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:31:22,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:31:22,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:31:22,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:31:22,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:31:22,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:31:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:22,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:22,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:22,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:22,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:22,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:22,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:31:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:31:22,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:31:22,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:22,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:22,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:22,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:22,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:22,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:22,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:22,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:22,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-07 04:31:22,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:31:22,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:31:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:22,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:31:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:31:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-11-07 04:31:22,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-11-07 04:31:22,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:31:22,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:22,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2020-11-07 04:31:22,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:22,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 534 [2020-11-07 04:31:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 544 [2020-11-07 04:31:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:22,775 INFO L134 CoverageAnalysis]: Checked inductivity of 555 backedges. 133 proven. 47 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2020-11-07 04:31:22,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1610085714] [2020-11-07 04:31:22,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:31:22,776 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:31:22,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013891915] [2020-11-07 04:31:22,777 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:31:22,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:31:22,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:31:22,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:31:22,778 INFO L87 Difference]: Start difference. First operand 6173 states and 6773 transitions. Second operand 18 states. [2020-11-07 04:31:23,548 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:25,783 WARN L194 SmtUtils]: Spent 422.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:26,203 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:26,992 WARN L194 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:31:27,800 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:31:28,176 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:31:28,936 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:31:29,335 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:31:29,715 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:30,164 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:31:30,634 WARN L194 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:31:31,061 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:31:31,773 WARN L194 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:31:33,422 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:33,861 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:34,727 WARN L194 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:31:35,591 WARN L194 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-11-07 04:31:36,371 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:31:37,805 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:31:38,596 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 213 [2020-11-07 04:31:43,178 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:31:44,426 WARN L194 SmtUtils]: Spent 433.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:31:44,848 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:31:45,613 WARN L194 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:31:46,403 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:31:47,132 WARN L194 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:31:54,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:31:54,473 INFO L93 Difference]: Finished difference Result 15796 states and 18676 transitions. [2020-11-07 04:31:54,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 100 states. [2020-11-07 04:31:54,474 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 558 [2020-11-07 04:31:54,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:31:54,516 INFO L225 Difference]: With dead ends: 15796 [2020-11-07 04:31:54,516 INFO L226 Difference]: Without dead ends: 12300 [2020-11-07 04:31:54,534 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 171 SyntacticMatches, 6 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4091 ImplicationChecksByTransitivity, 16.6s TimeCoverageRelationStatistics Valid=1941, Invalid=9831, Unknown=0, NotChecked=0, Total=11772 [2020-11-07 04:31:54,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12300 states. [2020-11-07 04:31:58,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12300 to 8797. [2020-11-07 04:31:58,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8797 states. [2020-11-07 04:31:58,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8797 states to 8797 states and 9598 transitions. [2020-11-07 04:31:58,675 INFO L78 Accepts]: Start accepts. Automaton has 8797 states and 9598 transitions. Word has length 558 [2020-11-07 04:31:58,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:31:58,676 INFO L481 AbstractCegarLoop]: Abstraction has 8797 states and 9598 transitions. [2020-11-07 04:31:58,676 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:31:58,676 INFO L276 IsEmpty]: Start isEmpty. Operand 8797 states and 9598 transitions. [2020-11-07 04:31:58,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 629 [2020-11-07 04:31:58,698 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:31:58,699 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:31:58,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:31:58,699 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:31:58,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:31:58,700 INFO L82 PathProgramCache]: Analyzing trace with hash 1561209277, now seen corresponding path program 1 times [2020-11-07 04:31:58,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:31:58,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [276956401] [2020-11-07 04:31:58,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:31:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,232 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:31:59,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:31:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:31:59,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:31:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:31:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:31:59,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:31:59,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:31:59,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:31:59,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:59,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:59,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:59,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:59,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:59,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:59,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:31:59,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:31:59,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:31:59,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:59,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:59,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:59,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:59,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:59,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:59,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-11-07 04:31:59,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 04:31:59,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:31:59,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:59,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:31:59,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:31:59,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:31:59,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-11-07 04:31:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 461 [2020-11-07 04:31:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:31:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:31:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-11-07 04:31:59,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 522 [2020-11-07 04:31:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-11-07 04:31:59,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:31:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-11-07 04:31:59,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:31:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:31:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:31:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:31:59,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:31:59,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 604 [2020-11-07 04:31:59,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:31:59,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 614 [2020-11-07 04:31:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:32:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 830 backedges. 166 proven. 125 refuted. 0 times theorem prover too weak. 539 trivial. 0 not checked. [2020-11-07 04:32:00,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [276956401] [2020-11-07 04:32:00,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:32:00,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-11-07 04:32:00,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977027138] [2020-11-07 04:32:00,467 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-07 04:32:00,467 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:32:00,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-07 04:32:00,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=533, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:32:00,468 INFO L87 Difference]: Start difference. First operand 8797 states and 9598 transitions. Second operand 25 states. [2020-11-07 04:32:01,593 WARN L194 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-11-07 04:32:03,291 WARN L194 SmtUtils]: Spent 668.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-11-07 04:32:05,262 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:32:06,229 WARN L194 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:32:07,080 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:32:07,952 WARN L194 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:32:08,706 WARN L194 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-11-07 04:32:09,497 WARN L194 SmtUtils]: Spent 713.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:32:10,284 WARN L194 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-11-07 04:32:11,106 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:32:11,901 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:32:12,661 WARN L194 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:32:17,816 WARN L194 SmtUtils]: Spent 809.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-11-07 04:32:19,256 WARN L194 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:32:20,071 WARN L194 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-11-07 04:32:20,875 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:32:21,702 WARN L194 SmtUtils]: Spent 757.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-11-07 04:32:22,481 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:32:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:32:29,782 INFO L93 Difference]: Finished difference Result 17136 states and 19617 transitions. [2020-11-07 04:32:29,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2020-11-07 04:32:29,782 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 628 [2020-11-07 04:32:29,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:32:29,788 INFO L225 Difference]: With dead ends: 17136 [2020-11-07 04:32:29,788 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:32:29,824 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 161 SyntacticMatches, 11 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2085 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=1004, Invalid=5968, Unknown=0, NotChecked=0, Total=6972 [2020-11-07 04:32:29,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:32:29,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:32:29,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:32:29,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:32:29,827 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 628 [2020-11-07 04:32:29,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:32:29,827 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:32:29,827 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-11-07 04:32:29,827 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:32:29,828 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:32:29,828 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:32:29,830 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:32:30,291 WARN L194 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2020-11-07 04:32:30,697 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 248 [2020-11-07 04:32:31,976 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 247 [2020-11-07 04:32:32,412 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 250 [2020-11-07 04:32:32,562 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 248 [2020-11-07 04:32:35,153 WARN L194 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 277 [2020-11-07 04:32:36,299 WARN L194 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 276 [2020-11-07 04:32:36,654 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 275 [2020-11-07 04:32:36,808 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 277 [2020-11-07 04:32:37,297 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 279 [2020-11-07 04:32:38,338 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 277 [2020-11-07 04:32:38,686 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 277 [2020-11-07 04:32:38,810 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 279 [2020-11-07 04:32:39,242 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 268 [2020-11-07 04:32:40,054 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:32:40,519 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2020-11-07 04:32:40,652 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 268 [2020-11-07 04:32:50,893 WARN L194 SmtUtils]: Spent 8.31 s on a formula simplification. DAG size of input: 1212 DAG size of output: 809 [2020-11-07 04:32:58,602 WARN L194 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 1313 DAG size of output: 776 [2020-11-07 04:32:58,741 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 277 [2020-11-07 04:32:59,579 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 276 [2020-11-07 04:32:59,908 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 275 [2020-11-07 04:33:00,040 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 277 [2020-11-07 04:33:04,549 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-11-07 04:33:05,151 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 276 [2020-11-07 04:33:05,256 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 268 [2020-11-07 04:33:15,693 WARN L194 SmtUtils]: Spent 9.87 s on a formula simplification. DAG size of input: 1470 DAG size of output: 902 [2020-11-07 04:33:16,582 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:33:16,740 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:33:16,899 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-11-07 04:33:17,112 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-11-07 04:33:32,842 WARN L194 SmtUtils]: Spent 14.34 s on a formula simplification. DAG size of input: 1705 DAG size of output: 997 [2020-11-07 04:33:52,451 WARN L194 SmtUtils]: Spent 17.00 s on a formula simplification. DAG size of input: 1914 DAG size of output: 1217 [2020-11-07 04:33:54,805 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:33:55,815 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:33:56,245 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2020-11-07 04:33:57,188 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:33:57,557 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:33:57,945 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:33:58,344 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:33:58,450 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 253 [2020-11-07 04:33:59,084 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-11-07 04:33:59,402 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:34:03,975 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-11-07 04:34:05,317 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:34:05,486 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 270 [2020-11-07 04:34:05,625 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-11-07 04:34:06,704 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 272 [2020-11-07 04:34:07,212 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 268 [2020-11-07 04:34:07,448 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 266 [2020-11-07 04:34:08,359 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 270 [2020-11-07 04:34:08,801 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 272 [2020-11-07 04:34:09,188 WARN L194 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 270 [2020-11-07 04:34:09,326 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 275 [2020-11-07 04:34:09,520 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 259 [2020-11-07 04:34:09,646 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 257 [2020-11-07 04:34:09,808 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 272 [2020-11-07 04:34:09,946 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-11-07 04:34:10,101 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:34:10,790 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 273 [2020-11-07 04:34:11,148 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2020-11-07 04:34:11,600 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 250 [2020-11-07 04:34:12,322 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 263 [2020-11-07 04:34:12,934 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 251 [2020-11-07 04:34:13,123 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 247 [2020-11-07 04:34:16,384 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:34:16,495 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:34:16,700 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:34:17,192 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:34:17,304 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:34:17,463 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-11-07 04:34:17,636 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-11-07 04:34:28,152 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:34:28,549 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 268 [2020-11-07 04:34:28,658 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 267 [2020-11-07 04:34:29,098 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 268 [2020-11-07 04:34:30,717 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 275 [2020-11-07 04:34:35,041 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:34:35,214 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-11-07 04:34:46,002 WARN L194 SmtUtils]: Spent 10.11 s on a formula simplification. DAG size of input: 1468 DAG size of output: 905 [2020-11-07 04:35:02,275 WARN L194 SmtUtils]: Spent 13.95 s on a formula simplification. DAG size of input: 1705 DAG size of output: 995 [2020-11-07 04:35:16,218 WARN L194 SmtUtils]: Spent 13.94 s on a formula simplification. DAG size of input: 1705 DAG size of output: 995 [2020-11-07 04:35:27,023 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 263 [2020-11-07 04:35:27,723 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 260 [2020-11-07 04:35:28,326 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 263 [2020-11-07 04:35:28,505 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 247 [2020-11-07 04:35:28,714 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 247 [2020-11-07 04:35:28,994 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 247 [2020-11-07 04:35:29,845 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 249 [2020-11-07 04:35:30,479 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 247 [2020-11-07 04:35:31,116 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 249 [2020-11-07 04:35:31,927 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 249 [2020-11-07 04:35:32,029 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2020-11-07 04:35:32,338 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-11-07 04:35:32,551 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-11-07 04:35:33,529 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 249 [2020-11-07 04:35:34,255 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 247 [2020-11-07 04:35:34,688 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-11-07 04:35:34,792 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 252 [2020-11-07 04:35:34,938 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-11-07 04:35:35,166 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 247 [2020-11-07 04:35:35,460 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 249 [2020-11-07 04:35:35,812 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2020-11-07 04:35:36,262 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2020-11-07 04:35:38,794 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:35:38,904 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:35:39,366 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:35:39,539 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:35:40,026 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:35:40,196 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:35:40,504 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:35:40,696 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:35:40,986 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:35:41,352 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:35:41,765 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:35:41,916 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:35:42,065 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:35:42,177 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:35:42,411 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-11-07 04:35:43,330 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:35:43,464 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:35:44,025 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:35:44,152 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:35:44,348 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-11-07 04:35:45,048 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:35:45,360 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:35:47,515 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:35:48,520 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:35:48,942 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2020-11-07 04:35:49,881 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:35:50,248 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:35:50,645 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:35:51,050 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:35:51,785 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-11-07 04:35:52,095 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:36:03,734 WARN L194 SmtUtils]: Spent 5.90 s on a formula simplification. DAG size of input: 1313 DAG size of output: 776 [2020-11-07 04:36:14,334 WARN L194 SmtUtils]: Spent 7.75 s on a formula simplification. DAG size of input: 1346 DAG size of output: 854 [2020-11-07 04:36:24,332 WARN L194 SmtUtils]: Spent 9.99 s on a formula simplification. DAG size of input: 1292 DAG size of output: 852 [2020-11-07 04:36:34,248 WARN L194 SmtUtils]: Spent 9.91 s on a formula simplification. DAG size of input: 1470 DAG size of output: 902 [2020-11-07 04:36:44,197 WARN L194 SmtUtils]: Spent 9.92 s on a formula simplification. DAG size of input: 1470 DAG size of output: 902 [2020-11-07 04:36:46,771 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 275 [2020-11-07 04:36:47,905 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 250 [2020-11-07 04:36:48,553 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 247 [2020-11-07 04:36:49,121 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 251 [2020-11-07 04:36:50,096 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 246 [2020-11-07 04:36:50,419 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:36:50,614 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 259 [2020-11-07 04:36:51,001 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-11-07 04:36:51,238 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-11-07 04:36:53,104 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 246 [2020-11-07 04:36:53,490 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 246 [2020-11-07 04:36:53,682 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 250 [2020-11-07 04:36:54,036 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 250 [2020-11-07 04:36:54,192 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 246 [2020-11-07 04:36:54,694 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 246 [2020-11-07 04:36:55,218 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 250 [2020-11-07 04:36:55,390 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 250 [2020-11-07 04:36:56,253 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 250 [2020-11-07 04:37:14,451 WARN L194 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 1313 DAG size of output: 776 [2020-11-07 04:37:30,046 WARN L194 SmtUtils]: Spent 13.74 s on a formula simplification. DAG size of input: 1705 DAG size of output: 995 [2020-11-07 04:37:35,906 WARN L194 SmtUtils]: Spent 5.86 s on a formula simplification. DAG size of input: 1313 DAG size of output: 776 [2020-11-07 04:37:37,242 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-11-07 04:37:37,833 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 276 [2020-11-07 04:37:37,935 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 268 [2020-11-07 04:37:44,717 WARN L194 SmtUtils]: Spent 5.80 s on a formula simplification. DAG size of input: 1313 DAG size of output: 776 [2020-11-07 04:37:44,857 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 277 [2020-11-07 04:37:45,688 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 276 [2020-11-07 04:37:45,996 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 276 [2020-11-07 04:37:46,124 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 278 [2020-11-07 04:37:47,163 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-11-07 04:37:47,268 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:37:47,499 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:37:47,637 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:37:47,902 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:37:48,331 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-11-07 04:37:48,790 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:37:51,272 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:37:51,411 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-11-07 04:37:52,422 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:37:52,858 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 262 [2020-11-07 04:37:53,087 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 263 [2020-11-07 04:37:53,926 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:37:54,366 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 266 [2020-11-07 04:37:54,704 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 264 [2020-11-07 04:37:54,843 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 268 [2020-11-07 04:37:55,028 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-11-07 04:37:55,157 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 262 [2020-11-07 04:37:55,325 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:37:55,444 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 266 [2020-11-07 04:37:56,182 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 266 [2020-11-07 04:37:56,551 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 269 [2020-11-07 04:38:14,012 WARN L194 SmtUtils]: Spent 5.85 s on a formula simplification. DAG size of input: 1313 DAG size of output: 776 [2020-11-07 04:38:27,701 WARN L194 SmtUtils]: Spent 13.68 s on a formula simplification. DAG size of input: 1705 DAG size of output: 997 [2020-11-07 04:38:38,873 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:39:05,250 WARN L194 SmtUtils]: Spent 13.82 s on a formula simplification. DAG size of input: 1705 DAG size of output: 997 [2020-11-07 04:39:07,910 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:39:08,457 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:39:08,663 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 264 [2020-11-07 04:39:09,207 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2020-11-07 04:39:10,760 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:39:11,710 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-07 04:39:11,833 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-11-07 04:39:12,230 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:39:12,463 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 250 [2020-11-07 04:39:13,001 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 261 [2020-11-07 04:39:13,171 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:39:13,537 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:39:14,160 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 252 [2020-11-07 04:39:31,315 WARN L194 SmtUtils]: Spent 13.76 s on a formula simplification. DAG size of input: 1705 DAG size of output: 997 [2020-11-07 04:39:36,134 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:39:36,280 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:39:36,493 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:39:36,602 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:39:36,897 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:39:37,216 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:39:38,311 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:39:38,856 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:39:39,064 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 264 [2020-11-07 04:39:39,610 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2020-11-07 04:39:41,155 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:39:42,128 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 249 [2020-11-07 04:39:42,257 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 254 [2020-11-07 04:39:42,442 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 255 [2020-11-07 04:39:42,693 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:39:42,924 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 250 [2020-11-07 04:39:43,467 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 261 [2020-11-07 04:39:43,634 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:39:44,008 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:39:44,628 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 252 [2020-11-07 04:39:59,159 WARN L194 SmtUtils]: Spent 13.71 s on a formula simplification. DAG size of input: 1705 DAG size of output: 995 [2020-11-07 04:40:04,063 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:40:04,175 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:40:04,420 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:40:05,172 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:40:05,299 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:40:05,408 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:40:05,550 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:40:05,708 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-11-07 04:40:05,919 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:40:06,027 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:40:06,352 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:40:06,528 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-11-07 04:40:06,896 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:40:16,229 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:40:16,625 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 263 [2020-11-07 04:40:18,269 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:40:18,623 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 251 [2020-11-07 04:40:19,050 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 251 [2020-11-07 04:40:19,359 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 266 [2020-11-07 04:40:20,315 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:40:20,742 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 250 [2020-11-07 04:40:21,132 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 260 [2020-11-07 04:40:32,081 WARN L194 SmtUtils]: Spent 9.84 s on a formula simplification. DAG size of input: 1470 DAG size of output: 902 [2020-11-07 04:40:41,892 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-11-07 04:40:44,409 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-11-07 04:40:44,964 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-11-07 04:40:45,257 WARN L194 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 271 [2020-11-07 04:40:45,782 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 271 [2020-11-07 04:40:46,016 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-11-07 04:40:46,613 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 269 [2020-11-07 04:40:47,296 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 271 [2020-11-07 04:40:47,575 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 271 [2020-11-07 04:40:48,554 WARN L194 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 271 [2020-11-07 04:40:49,033 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 250 [2020-11-07 04:40:49,758 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 263 [2020-11-07 04:40:50,377 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 251 [2020-11-07 04:40:50,562 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 247 [2020-11-07 04:40:51,636 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-11-07 04:40:52,970 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-11-07 04:40:53,137 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 270 [2020-11-07 04:40:53,274 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266