/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_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-24 00:12:32,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-24 00:12:32,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-24 00:12:32,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-24 00:12:32,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-24 00:12:32,301 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-24 00:12:32,304 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-24 00:12:32,311 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-24 00:12:32,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-24 00:12:32,321 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-24 00:12:32,322 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-24 00:12:32,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-24 00:12:32,324 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-24 00:12:32,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-24 00:12:32,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-24 00:12:32,333 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-24 00:12:32,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-24 00:12:32,337 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-24 00:12:32,344 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-24 00:12:32,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-24 00:12:32,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-24 00:12:32,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-24 00:12:32,357 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-24 00:12:32,360 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-24 00:12:32,380 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-24 00:12:32,381 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-24 00:12:32,381 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-24 00:12:32,383 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-24 00:12:32,384 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-24 00:12:32,385 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-24 00:12:32,385 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-24 00:12:32,386 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-24 00:12:32,388 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-24 00:12:32,389 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-24 00:12:32,390 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-24 00:12:32,390 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-24 00:12:32,391 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-24 00:12:32,391 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-24 00:12:32,391 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-24 00:12:32,392 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-24 00:12:32,393 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-24 00:12:32,395 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-24 00:12:32,416 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-24 00:12:32,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-24 00:12:32,421 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-24 00:12:32,421 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-24 00:12:32,421 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-24 00:12:32,422 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-24 00:12:32,422 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-24 00:12:32,422 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-24 00:12:32,422 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-24 00:12:32,422 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-24 00:12:32,424 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-24 00:12:32,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-24 00:12:32,424 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-24 00:12:32,425 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-24 00:12:32,425 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-24 00:12:32,425 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-24 00:12:32,425 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-24 00:12:32,425 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-24 00:12:32,426 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-24 00:12:32,426 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-24 00:12:32,426 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-24 00:12:32,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-24 00:12:32,427 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-24 00:12:32,844 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-24 00:12:32,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-24 00:12:32,886 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-24 00:12:32,888 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-24 00:12:32,889 INFO L275 PluginConnector]: CDTParser initialized [2020-10-24 00:12:32,890 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-10-24 00:12:32,974 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e70deeb/77b4152772b246ab8c0338850ba4825b/FLAGe8d3a2308 [2020-10-24 00:12:33,706 INFO L306 CDTParser]: Found 1 translation units. [2020-10-24 00:12:33,707 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product45.cil.c [2020-10-24 00:12:33,721 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e70deeb/77b4152772b246ab8c0338850ba4825b/FLAGe8d3a2308 [2020-10-24 00:12:33,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16e70deeb/77b4152772b246ab8c0338850ba4825b [2020-10-24 00:12:33,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-24 00:12:33,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-24 00:12:33,997 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-24 00:12:33,998 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-24 00:12:34,005 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-24 00:12:34,006 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:12:33" (1/1) ... [2020-10-24 00:12:34,010 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@565fecef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34, skipping insertion in model container [2020-10-24 00:12:34,011 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 12:12:33" (1/1) ... [2020-10-24 00:12:34,019 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-24 00:12:34,097 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-24 00:12:34,468 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:12:34,495 INFO L203 MainTranslator]: Completed pre-run [2020-10-24 00:12:34,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-24 00:12:34,714 INFO L208 MainTranslator]: Completed translation [2020-10-24 00:12:34,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34 WrapperNode [2020-10-24 00:12:34,714 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-24 00:12:34,716 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-24 00:12:34,716 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-24 00:12:34,716 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-24 00:12:34,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34" (1/1) ... [2020-10-24 00:12:34,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34" (1/1) ... [2020-10-24 00:12:34,771 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34" (1/1) ... [2020-10-24 00:12:34,772 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34" (1/1) ... [2020-10-24 00:12:34,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34" (1/1) ... [2020-10-24 00:12:34,857 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34" (1/1) ... [2020-10-24 00:12:34,862 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34" (1/1) ... [2020-10-24 00:12:34,870 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-24 00:12:34,871 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-24 00:12:34,871 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-24 00:12:34,871 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-24 00:12:34,872 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34" (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 [2020-10-24 00:12:34,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-24 00:12:34,953 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-24 00:12:34,954 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-24 00:12:34,954 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-24 00:12:34,954 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-24 00:12:34,955 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-24 00:12:34,955 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-24 00:12:34,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-24 00:12:34,955 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-24 00:12:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-24 00:12:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-24 00:12:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-24 00:12:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-24 00:12:34,956 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-24 00:12:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-24 00:12:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-24 00:12:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-24 00:12:34,957 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-24 00:12:34,958 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:12:34,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:12:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:12:34,960 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-24 00:12:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-24 00:12:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-24 00:12:34,963 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-24 00:12:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:12:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-24 00:12:34,964 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-24 00:12:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-24 00:12:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-24 00:12:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-24 00:12:34,965 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-24 00:12:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-24 00:12:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-24 00:12:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-24 00:12:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-24 00:12:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-24 00:12:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-24 00:12:34,970 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-24 00:12:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-24 00:12:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-24 00:12:34,971 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-24 00:12:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-24 00:12:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-24 00:12:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-24 00:12:34,971 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-24 00:12:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-24 00:12:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-24 00:12:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-24 00:12:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-24 00:12:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-24 00:12:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-24 00:12:34,972 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-24 00:12:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-24 00:12:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-24 00:12:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-24 00:12:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-24 00:12:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-24 00:12:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-24 00:12:34,973 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-24 00:12:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-24 00:12:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-24 00:12:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-24 00:12:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-24 00:12:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-24 00:12:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-24 00:12:34,974 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-24 00:12:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-24 00:12:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-24 00:12:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-24 00:12:34,975 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-24 00:12:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-24 00:12:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-10-24 00:12:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-10-24 00:12:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-10-24 00:12:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-24 00:12:34,977 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-24 00:12:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-24 00:12:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-24 00:12:34,978 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-24 00:12:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-24 00:12:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-24 00:12:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-24 00:12:34,979 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-24 00:12:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-10-24 00:12:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-24 00:12:34,980 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-24 00:12:34,981 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-24 00:12:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-24 00:12:34,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-24 00:12:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-24 00:12:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-24 00:12:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-24 00:12:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-24 00:12:34,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-24 00:12:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-24 00:12:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-24 00:12:34,984 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-24 00:12:36,229 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-24 00:12:36,230 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-24 00:12:36,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:12:36 BoogieIcfgContainer [2020-10-24 00:12:36,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-24 00:12:36,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-24 00:12:36,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-24 00:12:36,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-24 00:12:36,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 12:12:33" (1/3) ... [2020-10-24 00:12:36,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea2264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:12:36, skipping insertion in model container [2020-10-24 00:12:36,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 12:12:34" (2/3) ... [2020-10-24 00:12:36,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1ea2264 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 12:12:36, skipping insertion in model container [2020-10-24 00:12:36,243 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 12:12:36" (3/3) ... [2020-10-24 00:12:36,244 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product45.cil.c [2020-10-24 00:12:36,258 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-24 00:12:36,266 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-24 00:12:36,281 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-24 00:12:36,312 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-24 00:12:36,312 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-24 00:12:36,312 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-24 00:12:36,313 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-24 00:12:36,313 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-24 00:12:36,313 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-24 00:12:36,314 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-24 00:12:36,314 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-24 00:12:36,348 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states. [2020-10-24 00:12:36,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-10-24 00:12:36,389 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:36,391 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] [2020-10-24 00:12:36,391 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]=== [2020-10-24 00:12:36,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:36,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1954541137, now seen corresponding path program 1 times [2020-10-24 00:12:36,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:36,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [612236367] [2020-10-24 00:12:36,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,246 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:37,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:37,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:37,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:37,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:37,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:37,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-10-24 00:12:37,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:37,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-10-24 00:12:37,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:12:37,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:37,458 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [612236367] [2020-10-24 00:12:37,460 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:37,460 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-24 00:12:37,461 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1451992511] [2020-10-24 00:12:37,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-24 00:12:37,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:37,482 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-24 00:12:37,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:12:37,485 INFO L87 Difference]: Start difference. First operand 337 states. Second operand 4 states. [2020-10-24 00:12:39,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:39,071 INFO L93 Difference]: Finished difference Result 525 states and 614 transitions. [2020-10-24 00:12:39,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-24 00:12:39,073 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-10-24 00:12:39,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:39,092 INFO L225 Difference]: With dead ends: 525 [2020-10-24 00:12:39,093 INFO L226 Difference]: Without dead ends: 329 [2020-10-24 00:12:39,098 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-24 00:12:39,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2020-10-24 00:12:39,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 283. [2020-10-24 00:12:39,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 283 states. [2020-10-24 00:12:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 283 states and 308 transitions. [2020-10-24 00:12:39,418 INFO L78 Accepts]: Start accepts. Automaton has 283 states and 308 transitions. Word has length 166 [2020-10-24 00:12:39,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:39,421 INFO L481 AbstractCegarLoop]: Abstraction has 283 states and 308 transitions. [2020-10-24 00:12:39,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-24 00:12:39,421 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 308 transitions. [2020-10-24 00:12:39,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-10-24 00:12:39,435 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:39,436 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] [2020-10-24 00:12:39,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-24 00:12:39,437 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]=== [2020-10-24 00:12:39,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:39,437 INFO L82 PathProgramCache]: Analyzing trace with hash -714638260, now seen corresponding path program 1 times [2020-10-24 00:12:39,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:39,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896918554] [2020-10-24 00:12:39,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:39,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,013 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:40,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:40,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:40,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:40,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:40,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:40,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:40,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:12:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:40,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-10-24 00:12:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-10-24 00:12:40,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:40,183 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:40,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896918554] [2020-10-24 00:12:40,184 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:40,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-24 00:12:40,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614442074] [2020-10-24 00:12:40,187 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-24 00:12:40,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:40,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-24 00:12:40,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-24 00:12:40,189 INFO L87 Difference]: Start difference. First operand 283 states and 308 transitions. Second operand 5 states. [2020-10-24 00:12:41,090 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:42,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:42,455 INFO L93 Difference]: Finished difference Result 451 states and 506 transitions. [2020-10-24 00:12:42,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-24 00:12:42,456 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-10-24 00:12:42,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:42,461 INFO L225 Difference]: With dead ends: 451 [2020-10-24 00:12:42,462 INFO L226 Difference]: Without dead ends: 318 [2020-10-24 00:12:42,464 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 [2020-10-24 00:12:42,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-24 00:12:42,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 273. [2020-10-24 00:12:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-24 00:12:42,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 295 transitions. [2020-10-24 00:12:42,569 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 295 transitions. Word has length 167 [2020-10-24 00:12:42,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:42,570 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 295 transitions. [2020-10-24 00:12:42,570 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-24 00:12:42,570 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 295 transitions. [2020-10-24 00:12:42,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-10-24 00:12:42,573 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:42,573 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] [2020-10-24 00:12:42,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-24 00:12:42,574 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]=== [2020-10-24 00:12:42,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:42,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1656193192, now seen corresponding path program 1 times [2020-10-24 00:12:42,575 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:42,575 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [141721951] [2020-10-24 00:12:42,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:42,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,261 WARN L193 SmtUtils]: Spent 496.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:43,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:43,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:43,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:43,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:43,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-10-24 00:12:43,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-10-24 00:12:43,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:43,488 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:43,491 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [141721951] [2020-10-24 00:12:43,491 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:43,491 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:12:43,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26430023] [2020-10-24 00:12:43,500 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:12:43,501 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:43,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:12:43,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:12:43,502 INFO L87 Difference]: Start difference. First operand 273 states and 295 transitions. Second operand 10 states. [2020-10-24 00:12:44,242 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:44,747 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:12:45,136 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:45,540 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:45,960 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:46,358 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:48,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:48,373 INFO L93 Difference]: Finished difference Result 471 states and 532 transitions. [2020-10-24 00:12:48,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:12:48,373 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-10-24 00:12:48,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:48,379 INFO L225 Difference]: With dead ends: 471 [2020-10-24 00:12:48,379 INFO L226 Difference]: Without dead ends: 318 [2020-10-24 00:12:48,381 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 20 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:12:48,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-10-24 00:12:48,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 273. [2020-10-24 00:12:48,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 273 states. [2020-10-24 00:12:48,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 294 transitions. [2020-10-24 00:12:48,477 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 294 transitions. Word has length 176 [2020-10-24 00:12:48,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:48,478 INFO L481 AbstractCegarLoop]: Abstraction has 273 states and 294 transitions. [2020-10-24 00:12:48,478 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:12:48,478 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 294 transitions. [2020-10-24 00:12:48,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2020-10-24 00:12:48,481 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:48,482 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] [2020-10-24 00:12:48,482 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-24 00:12:48,482 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]=== [2020-10-24 00:12:48,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:48,483 INFO L82 PathProgramCache]: Analyzing trace with hash -333614147, now seen corresponding path program 1 times [2020-10-24 00:12:48,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:48,483 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2113982324] [2020-10-24 00:12:48,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:48,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,875 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:48,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:48,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:48,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:48,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:48,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:48,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:12:48,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:48,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:49,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:49,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:49,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 165 [2020-10-24 00:12:49,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:49,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 175 [2020-10-24 00:12:49,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:49,057 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:49,058 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2113982324] [2020-10-24 00:12:49,058 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:49,058 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-24 00:12:49,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958675015] [2020-10-24 00:12:49,059 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-24 00:12:49,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:49,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-24 00:12:49,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-24 00:12:49,060 INFO L87 Difference]: Start difference. First operand 273 states and 294 transitions. Second operand 7 states. [2020-10-24 00:12:49,716 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:51,992 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:12:52,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:12:52,732 INFO L93 Difference]: Finished difference Result 626 states and 715 transitions. [2020-10-24 00:12:52,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-24 00:12:52,733 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 189 [2020-10-24 00:12:52,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:12:52,737 INFO L225 Difference]: With dead ends: 626 [2020-10-24 00:12:52,737 INFO L226 Difference]: Without dead ends: 473 [2020-10-24 00:12:52,738 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:12:52,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2020-10-24 00:12:52,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 403. [2020-10-24 00:12:52,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 403 states. [2020-10-24 00:12:52,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 435 transitions. [2020-10-24 00:12:52,901 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 435 transitions. Word has length 189 [2020-10-24 00:12:52,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:12:52,901 INFO L481 AbstractCegarLoop]: Abstraction has 403 states and 435 transitions. [2020-10-24 00:12:52,902 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-24 00:12:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 435 transitions. [2020-10-24 00:12:52,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-24 00:12:52,905 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:12:52,905 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] [2020-10-24 00:12:52,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-24 00:12:52,906 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]=== [2020-10-24 00:12:52,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:12:52,906 INFO L82 PathProgramCache]: Analyzing trace with hash 126365457, now seen corresponding path program 1 times [2020-10-24 00:12:52,907 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:12:52,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [372955212] [2020-10-24 00:12:52,907 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:12:52,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,408 WARN L193 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:12:53,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:12:53,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:12:53,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:12:53,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:12:53,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:12:53,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:12:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:12:53,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:12:53,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:53,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:12:53,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:12:53,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:12:53,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-24 00:12:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 00:12:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:12:53,662 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:12:53,663 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [372955212] [2020-10-24 00:12:53,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:12:53,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:12:53,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929632194] [2020-10-24 00:12:53,664 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:12:53,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:12:53,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:12:53,665 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:12:53,665 INFO L87 Difference]: Start difference. First operand 403 states and 435 transitions. Second operand 10 states. [2020-10-24 00:12:54,350 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:12:55,819 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:56,198 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:56,600 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:12:56,993 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:12:57,439 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:12:57,827 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:00,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:00,023 INFO L93 Difference]: Finished difference Result 998 states and 1166 transitions. [2020-10-24 00:13:00,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-10-24 00:13:00,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-10-24 00:13:00,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:00,028 INFO L225 Difference]: With dead ends: 998 [2020-10-24 00:13:00,029 INFO L226 Difference]: Without dead ends: 715 [2020-10-24 00:13:00,030 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 3.1s TimeCoverageRelationStatistics Valid=103, Invalid=317, Unknown=0, NotChecked=0, Total=420 [2020-10-24 00:13:00,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 715 states. [2020-10-24 00:13:00,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 715 to 614. [2020-10-24 00:13:00,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 614 states. [2020-10-24 00:13:00,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 675 transitions. [2020-10-24 00:13:00,279 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 675 transitions. Word has length 213 [2020-10-24 00:13:00,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:00,280 INFO L481 AbstractCegarLoop]: Abstraction has 614 states and 675 transitions. [2020-10-24 00:13:00,280 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:13:00,280 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 675 transitions. [2020-10-24 00:13:00,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2020-10-24 00:13:00,284 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:00,284 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] [2020-10-24 00:13:00,284 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-24 00:13:00,284 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]=== [2020-10-24 00:13:00,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:00,285 INFO L82 PathProgramCache]: Analyzing trace with hash -564128684, now seen corresponding path program 1 times [2020-10-24 00:13:00,285 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:00,285 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [184539656] [2020-10-24 00:13:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,680 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:00,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:00,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:00,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:00,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:00,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:13:00,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:00,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:13:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:00,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:00,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 189 [2020-10-24 00:13:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-10-24 00:13:00,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:00,993 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-24 00:13:00,994 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [184539656] [2020-10-24 00:13:00,996 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:13:00,996 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:13:00,996 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994168355] [2020-10-24 00:13:00,997 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:13:00,997 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:00,998 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:13:00,999 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:13:00,999 INFO L87 Difference]: Start difference. First operand 614 states and 675 transitions. Second operand 10 states. [2020-10-24 00:13:01,669 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:02,686 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:03,102 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:04,687 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:05,074 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:05,544 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:06,102 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:06,493 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:06,876 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:07,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:07,559 INFO L93 Difference]: Finished difference Result 1202 states and 1372 transitions. [2020-10-24 00:13:07,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-24 00:13:07,560 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 213 [2020-10-24 00:13:07,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:07,565 INFO L225 Difference]: With dead ends: 1202 [2020-10-24 00:13:07,566 INFO L226 Difference]: Without dead ends: 708 [2020-10-24 00:13:07,568 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-10-24 00:13:07,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2020-10-24 00:13:07,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 612. [2020-10-24 00:13:07,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 612 states. [2020-10-24 00:13:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 669 transitions. [2020-10-24 00:13:07,841 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 669 transitions. Word has length 213 [2020-10-24 00:13:07,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:07,841 INFO L481 AbstractCegarLoop]: Abstraction has 612 states and 669 transitions. [2020-10-24 00:13:07,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:13:07,842 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 669 transitions. [2020-10-24 00:13:07,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-24 00:13:07,846 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:07,847 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] [2020-10-24 00:13:07,847 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-24 00:13:07,847 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]=== [2020-10-24 00:13:07,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:07,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1847005977, now seen corresponding path program 1 times [2020-10-24 00:13:07,848 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:07,849 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1994226924] [2020-10-24 00:13:07,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:07,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,271 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:08,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:08,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:08,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:08,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:08,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:08,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:08,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:13:08,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:08,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:13:08,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:08,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:08,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:08,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-24 00:13:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:13:08,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:08,509 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:13:08,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1994226924] [2020-10-24 00:13:08,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:13:08,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-24 00:13:08,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038062314] [2020-10-24 00:13:08,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-24 00:13:08,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:08,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-24 00:13:08,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-24 00:13:08,512 INFO L87 Difference]: Start difference. First operand 612 states and 669 transitions. Second operand 10 states. [2020-10-24 00:13:10,250 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:10,681 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:13:11,127 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:13:11,565 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:12,007 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:12,406 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:13,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:13,768 INFO L93 Difference]: Finished difference Result 1210 states and 1387 transitions. [2020-10-24 00:13:13,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-24 00:13:13,769 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 236 [2020-10-24 00:13:13,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:13,774 INFO L225 Difference]: With dead ends: 1210 [2020-10-24 00:13:13,774 INFO L226 Difference]: Without dead ends: 718 [2020-10-24 00:13:13,776 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:13:13,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 718 states. [2020-10-24 00:13:14,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 718 to 628. [2020-10-24 00:13:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-10-24 00:13:14,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 685 transitions. [2020-10-24 00:13:14,125 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 685 transitions. Word has length 236 [2020-10-24 00:13:14,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:14,126 INFO L481 AbstractCegarLoop]: Abstraction has 628 states and 685 transitions. [2020-10-24 00:13:14,126 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-24 00:13:14,126 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 685 transitions. [2020-10-24 00:13:14,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2020-10-24 00:13:14,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:14,129 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] [2020-10-24 00:13:14,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-24 00:13:14,130 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]=== [2020-10-24 00:13:14,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:14,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1072307897, now seen corresponding path program 1 times [2020-10-24 00:13:14,131 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:14,131 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [967165337] [2020-10-24 00:13:14,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:14,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,525 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:14,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:14,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:14,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:14,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:13:14,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:14,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-10-24 00:13:14,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:14,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:14,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:14,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:14,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-10-24 00:13:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 222 [2020-10-24 00:13:14,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:14,779 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:13:14,780 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [967165337] [2020-10-24 00:13:14,780 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:13:14,780 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-10-24 00:13:14,780 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695248495] [2020-10-24 00:13:14,781 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-24 00:13:14,781 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:14,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-24 00:13:14,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-10-24 00:13:14,782 INFO L87 Difference]: Start difference. First operand 628 states and 685 transitions. Second operand 13 states. [2020-10-24 00:13:15,594 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:16,017 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:13:16,431 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:16,846 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:17,251 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:18,480 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:18,883 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:19,297 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:19,738 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:20,139 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:21,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:21,696 INFO L93 Difference]: Finished difference Result 1095 states and 1240 transitions. [2020-10-24 00:13:21,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-10-24 00:13:21,697 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 236 [2020-10-24 00:13:21,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:21,701 INFO L225 Difference]: With dead ends: 1095 [2020-10-24 00:13:21,701 INFO L226 Difference]: Without dead ends: 587 [2020-10-24 00:13:21,704 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:13:21,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2020-10-24 00:13:21,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 518. [2020-10-24 00:13:21,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2020-10-24 00:13:21,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 555 transitions. [2020-10-24 00:13:21,878 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 555 transitions. Word has length 236 [2020-10-24 00:13:21,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:21,879 INFO L481 AbstractCegarLoop]: Abstraction has 518 states and 555 transitions. [2020-10-24 00:13:21,879 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-24 00:13:21,879 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 555 transitions. [2020-10-24 00:13:21,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2020-10-24 00:13:21,882 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:21,882 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] [2020-10-24 00:13:21,882 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-24 00:13:21,882 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]=== [2020-10-24 00:13:21,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:21,883 INFO L82 PathProgramCache]: Analyzing trace with hash 2049175579, now seen corresponding path program 1 times [2020-10-24 00:13:21,883 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:21,884 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [92146211] [2020-10-24 00:13:21,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,396 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:22,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:22,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:22,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:22,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:22,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-24 00:13:22,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:22,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-10-24 00:13:22,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:22,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:22,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:22,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:22,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:22,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 217 [2020-10-24 00:13:22,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-10-24 00:13:22,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:22,689 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-10-24 00:13:22,690 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [92146211] [2020-10-24 00:13:22,690 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-24 00:13:22,690 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-10-24 00:13:22,690 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837353045] [2020-10-24 00:13:22,690 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-10-24 00:13:22,691 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:22,691 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-10-24 00:13:22,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-10-24 00:13:22,691 INFO L87 Difference]: Start difference. First operand 518 states and 555 transitions. Second operand 14 states. [2020-10-24 00:13:23,818 WARN L193 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-10-24 00:13:24,887 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:27,005 WARN L193 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-10-24 00:13:27,817 WARN L193 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:13:28,329 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:28,764 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:29,558 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-24 00:13:29,990 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:30,483 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:30,904 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:33,002 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:33,409 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:13:33,828 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:34,705 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-24 00:13:36,495 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-10-24 00:13:37,349 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:13:38,182 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-10-24 00:13:38,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:38,813 INFO L93 Difference]: Finished difference Result 1423 states and 1603 transitions. [2020-10-24 00:13:38,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-24 00:13:38,814 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 241 [2020-10-24 00:13:38,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:38,822 INFO L225 Difference]: With dead ends: 1423 [2020-10-24 00:13:38,822 INFO L226 Difference]: Without dead ends: 1125 [2020-10-24 00:13:38,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 625 ImplicationChecksByTransitivity, 10.6s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-10-24 00:13:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1125 states. [2020-10-24 00:13:39,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1125 to 1027. [2020-10-24 00:13:39,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1027 states. [2020-10-24 00:13:39,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 1027 states and 1106 transitions. [2020-10-24 00:13:39,278 INFO L78 Accepts]: Start accepts. Automaton has 1027 states and 1106 transitions. Word has length 241 [2020-10-24 00:13:39,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:13:39,279 INFO L481 AbstractCegarLoop]: Abstraction has 1027 states and 1106 transitions. [2020-10-24 00:13:39,279 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-10-24 00:13:39,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1027 states and 1106 transitions. [2020-10-24 00:13:39,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2020-10-24 00:13:39,282 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:13:39,283 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:13:39,283 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-24 00:13:39,283 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]=== [2020-10-24 00:13:39,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:13:39,284 INFO L82 PathProgramCache]: Analyzing trace with hash -1309046886, now seen corresponding path program 1 times [2020-10-24 00:13:39,284 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:13:39,284 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [424200582] [2020-10-24 00:13:39,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:13:39,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,721 WARN L193 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:13:39,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:39,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:13:39,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:13:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:13:39,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:13:39,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:13:39,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:13:39,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:13:39,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:39,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:39,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:13:39,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:39,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:39,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:13:39,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:13:39,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:39,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:39,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:13:39,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:13:39,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:39,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 246 [2020-10-24 00:13:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:13:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 259 [2020-10-24 00:13:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-10-24 00:13:40,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:13:40,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:13:40,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:13:40,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 299 [2020-10-24 00:13:40,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 309 [2020-10-24 00:13:40,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:13:40,336 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2020-10-24 00:13:40,337 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [424200582] [2020-10-24 00:13:40,337 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:13:40,337 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:13:40,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [183556342] [2020-10-24 00:13:40,338 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:13:40,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:13:40,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:13:40,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:13:40,339 INFO L87 Difference]: Start difference. First operand 1027 states and 1106 transitions. Second operand 18 states. [2020-10-24 00:13:41,100 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:13:41,635 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:13:42,054 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-10-24 00:13:42,493 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:42,903 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:13:43,302 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:13:44,406 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-10-24 00:13:44,868 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:13:45,280 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:13:46,008 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-10-24 00:13:47,364 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:13:47,879 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-10-24 00:13:48,803 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:13:49,651 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-10-24 00:13:50,702 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:13:51,494 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:13:52,253 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-24 00:13:52,766 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:13:53,714 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:13:54,488 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:13:54,971 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-10-24 00:13:55,835 WARN L193 SmtUtils]: Spent 722.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-10-24 00:13:56,694 WARN L193 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-10-24 00:13:58,105 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-24 00:13:58,526 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:13:59,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:13:59,771 INFO L93 Difference]: Finished difference Result 2181 states and 2406 transitions. [2020-10-24 00:13:59,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-24 00:13:59,771 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 323 [2020-10-24 00:13:59,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:13:59,781 INFO L225 Difference]: With dead ends: 2181 [2020-10-24 00:13:59,781 INFO L226 Difference]: Without dead ends: 1372 [2020-10-24 00:13:59,785 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1191 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=842, Invalid=3714, Unknown=0, NotChecked=0, Total=4556 [2020-10-24 00:13:59,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2020-10-24 00:14:00,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1231. [2020-10-24 00:14:00,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1231 states. [2020-10-24 00:14:00,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1231 states and 1336 transitions. [2020-10-24 00:14:00,424 INFO L78 Accepts]: Start accepts. Automaton has 1231 states and 1336 transitions. Word has length 323 [2020-10-24 00:14:00,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:00,425 INFO L481 AbstractCegarLoop]: Abstraction has 1231 states and 1336 transitions. [2020-10-24 00:14:00,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:14:00,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1336 transitions. [2020-10-24 00:14:00,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2020-10-24 00:14:00,432 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:00,433 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:00,433 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-24 00:14:00,433 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]=== [2020-10-24 00:14:00,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:00,434 INFO L82 PathProgramCache]: Analyzing trace with hash -1077420035, now seen corresponding path program 1 times [2020-10-24 00:14:00,434 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:00,434 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [352739113] [2020-10-24 00:14:00,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:00,893 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:00,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:00,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:00,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:00,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:00,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:00,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:00,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:00,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:00,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:00,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:00,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:00,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:00,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:00,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:00,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:01,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:01,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:01,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:01,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:01,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:14:01,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:14:01,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:01,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:01,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:01,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:01,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:01,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:01,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 327 [2020-10-24 00:14:01,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:01,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:01,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:01,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:01,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:01,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-10-24 00:14:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:01,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 420 [2020-10-24 00:14:01,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:01,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:01,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:01,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:01,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:01,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2020-10-24 00:14:01,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-10-24 00:14:01,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:01,551 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 113 proven. 11 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-10-24 00:14:01,551 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [352739113] [2020-10-24 00:14:01,551 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:01,551 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-10-24 00:14:01,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358862709] [2020-10-24 00:14:01,552 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-10-24 00:14:01,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:01,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-10-24 00:14:01,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-10-24 00:14:01,553 INFO L87 Difference]: Start difference. First operand 1231 states and 1336 transitions. Second operand 16 states. [2020-10-24 00:14:02,259 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:03,573 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:14:05,419 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:05,928 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:06,413 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:06,886 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:07,296 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:07,758 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:08,153 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:08,589 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:09,014 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:09,556 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:10,019 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:10,457 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:12,503 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:13,291 WARN L193 SmtUtils]: Spent 745.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:14:14,055 WARN L193 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-10-24 00:14:14,477 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:14,933 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-10-24 00:14:15,359 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-10-24 00:14:16,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:16,866 INFO L93 Difference]: Finished difference Result 3361 states and 3714 transitions. [2020-10-24 00:14:16,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2020-10-24 00:14:16,867 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 507 [2020-10-24 00:14:16,869 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:16,883 INFO L225 Difference]: With dead ends: 3361 [2020-10-24 00:14:16,883 INFO L226 Difference]: Without dead ends: 2263 [2020-10-24 00:14:16,888 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 116 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=490, Invalid=1960, Unknown=0, NotChecked=0, Total=2450 [2020-10-24 00:14:16,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2263 states. [2020-10-24 00:14:18,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2263 to 2177. [2020-10-24 00:14:18,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2177 states. [2020-10-24 00:14:18,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 2177 states and 2348 transitions. [2020-10-24 00:14:18,189 INFO L78 Accepts]: Start accepts. Automaton has 2177 states and 2348 transitions. Word has length 507 [2020-10-24 00:14:18,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:18,190 INFO L481 AbstractCegarLoop]: Abstraction has 2177 states and 2348 transitions. [2020-10-24 00:14:18,190 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-10-24 00:14:18,190 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2348 transitions. [2020-10-24 00:14:18,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2020-10-24 00:14:18,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:18,201 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:18,201 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-10-24 00:14:18,201 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]=== [2020-10-24 00:14:18,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:18,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1808518171, now seen corresponding path program 1 times [2020-10-24 00:14:18,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:18,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145706899] [2020-10-24 00:14:18,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:18,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,620 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:18,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:18,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:18,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:18,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:18,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:18,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:18,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-10-24 00:14:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-10-24 00:14:18,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:18,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:18,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:18,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:18,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:18,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:18,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:18,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:18,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:19,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:19,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:14:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-24 00:14:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:19,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:19,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:19,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:19,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:19,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-24 00:14:19,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:19,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:19,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:19,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:19,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:19,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:19,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2020-10-24 00:14:19,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:19,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-10-24 00:14:19,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:19,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:19,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:19,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:19,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:19,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:19,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 488 [2020-10-24 00:14:19,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-10-24 00:14:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:19,425 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 81 proven. 50 refuted. 0 times theorem prover too weak. 321 trivial. 0 not checked. [2020-10-24 00:14:19,426 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145706899] [2020-10-24 00:14:19,426 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:19,426 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-24 00:14:19,426 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1560005885] [2020-10-24 00:14:19,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-24 00:14:19,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:19,427 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-24 00:14:19,428 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-10-24 00:14:19,428 INFO L87 Difference]: Start difference. First operand 2177 states and 2348 transitions. Second operand 22 states. [2020-10-24 00:14:20,191 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:20,721 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:21,134 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:21,568 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:21,975 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:14:22,368 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:23,557 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:25,622 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:26,092 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:26,583 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:27,152 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:27,618 WARN L193 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:28,067 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:28,466 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:28,914 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:29,352 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:29,900 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:30,384 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:30,841 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:31,706 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:14:32,683 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:14:33,484 WARN L193 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:14:37,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:37,417 INFO L93 Difference]: Finished difference Result 4084 states and 4472 transitions. [2020-10-24 00:14:37,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-10-24 00:14:37,418 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 512 [2020-10-24 00:14:37,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:37,431 INFO L225 Difference]: With dead ends: 4084 [2020-10-24 00:14:37,431 INFO L226 Difference]: Without dead ends: 2268 [2020-10-24 00:14:37,437 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 117 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1117 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=801, Invalid=3489, Unknown=0, NotChecked=0, Total=4290 [2020-10-24 00:14:37,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2268 states. [2020-10-24 00:14:38,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2268 to 2062. [2020-10-24 00:14:38,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2062 states. [2020-10-24 00:14:38,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 2062 states and 2214 transitions. [2020-10-24 00:14:38,403 INFO L78 Accepts]: Start accepts. Automaton has 2062 states and 2214 transitions. Word has length 512 [2020-10-24 00:14:38,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:38,404 INFO L481 AbstractCegarLoop]: Abstraction has 2062 states and 2214 transitions. [2020-10-24 00:14:38,404 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-24 00:14:38,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2214 transitions. [2020-10-24 00:14:38,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-10-24 00:14:38,412 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:38,412 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:38,412 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-10-24 00:14:38,412 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]=== [2020-10-24 00:14:38,413 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:38,413 INFO L82 PathProgramCache]: Analyzing trace with hash -403202471, now seen corresponding path program 1 times [2020-10-24 00:14:38,413 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:38,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713650392] [2020-10-24 00:14:38,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:38,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,816 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:38,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:38,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:38,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:38,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:38,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:38,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:38,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:38,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:38,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:38,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:38,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:38,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:38,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:38,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:38,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:14:38,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:38,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:38,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-10-24 00:14:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-10-24 00:14:39,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:39,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:39,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:39,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:39,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:39,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:39,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:39,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-24 00:14:39,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:39,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:39,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:39,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:39,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:39,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:39,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-10-24 00:14:39,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-24 00:14:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-24 00:14:39,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:39,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:39,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:39,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:39,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:39,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:39,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-10-24 00:14:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-24 00:14:39,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:39,544 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 116 proven. 31 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2020-10-24 00:14:39,544 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713650392] [2020-10-24 00:14:39,544 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:39,544 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-10-24 00:14:39,545 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828898915] [2020-10-24 00:14:39,545 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-10-24 00:14:39,546 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:39,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-10-24 00:14:39,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-10-24 00:14:39,547 INFO L87 Difference]: Start difference. First operand 2062 states and 2214 transitions. Second operand 22 states. [2020-10-24 00:14:40,308 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:40,847 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:14:41,262 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:14:41,707 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:42,112 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:14:42,502 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:43,709 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:14:45,936 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:46,408 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:46,900 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:47,393 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:47,812 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:48,289 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:48,690 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:49,149 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:49,582 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:50,136 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:50,594 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:14:51,051 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:14:53,671 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:14:54,520 WARN L193 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:14:55,279 WARN L193 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:14:56,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:14:56,936 INFO L93 Difference]: Finished difference Result 3783 states and 4124 transitions. [2020-10-24 00:14:56,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-10-24 00:14:56,936 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 517 [2020-10-24 00:14:56,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:14:56,948 INFO L225 Difference]: With dead ends: 3783 [2020-10-24 00:14:56,948 INFO L226 Difference]: Without dead ends: 2082 [2020-10-24 00:14:56,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 120 SyntacticMatches, 1 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 11.0s TimeCoverageRelationStatistics Valid=814, Invalid=3608, Unknown=0, NotChecked=0, Total=4422 [2020-10-24 00:14:56,958 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2082 states. [2020-10-24 00:14:57,894 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2082 to 1899. [2020-10-24 00:14:57,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1899 states. [2020-10-24 00:14:57,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1899 states to 1899 states and 2035 transitions. [2020-10-24 00:14:57,899 INFO L78 Accepts]: Start accepts. Automaton has 1899 states and 2035 transitions. Word has length 517 [2020-10-24 00:14:57,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:14:57,900 INFO L481 AbstractCegarLoop]: Abstraction has 1899 states and 2035 transitions. [2020-10-24 00:14:57,900 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-10-24 00:14:57,900 INFO L276 IsEmpty]: Start isEmpty. Operand 1899 states and 2035 transitions. [2020-10-24 00:14:57,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-10-24 00:14:57,908 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:14:57,908 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:14:57,908 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-10-24 00:14:57,909 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]=== [2020-10-24 00:14:57,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:14:57,909 INFO L82 PathProgramCache]: Analyzing trace with hash 512812471, now seen corresponding path program 2 times [2020-10-24 00:14:57,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:14:57,910 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969719753] [2020-10-24 00:14:57,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:14:57,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,385 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:14:58,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:14:58,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:14:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:14:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:14:58,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:14:58,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:14:58,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:14:58,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:14:58,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:58,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:58,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:58,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:58,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:14:58,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:14:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:58,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:14:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-10-24 00:14:58,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2020-10-24 00:14:58,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:14:58,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:58,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:58,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:14:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:14:58,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 406 [2020-10-24 00:14:58,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-24 00:14:58,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:14:58,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 430 [2020-10-24 00:14:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:14:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:14:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:14:58,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:58,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:14:58,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:14:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-10-24 00:14:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:58,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-24 00:14:58,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:14:59,189 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2020-10-24 00:14:59,190 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969719753] [2020-10-24 00:14:59,190 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:14:59,190 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-10-24 00:14:59,190 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1555118807] [2020-10-24 00:14:59,191 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-10-24 00:14:59,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:14:59,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-10-24 00:14:59,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-10-24 00:14:59,191 INFO L87 Difference]: Start difference. First operand 1899 states and 2035 transitions. Second operand 17 states. [2020-10-24 00:15:01,463 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:01,871 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:02,302 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:02,728 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:03,116 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:03,494 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:06,033 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:06,450 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:08,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:08,772 INFO L93 Difference]: Finished difference Result 5026 states and 5592 transitions. [2020-10-24 00:15:08,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-10-24 00:15:08,773 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-10-24 00:15:08,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:08,788 INFO L225 Difference]: With dead ends: 5026 [2020-10-24 00:15:08,788 INFO L226 Difference]: Without dead ends: 2993 [2020-10-24 00:15:08,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 118 SyntacticMatches, 6 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 514 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=455, Invalid=1615, Unknown=0, NotChecked=0, Total=2070 [2020-10-24 00:15:08,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2020-10-24 00:15:09,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2368. [2020-10-24 00:15:09,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2368 states. [2020-10-24 00:15:09,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2368 states to 2368 states and 2565 transitions. [2020-10-24 00:15:09,830 INFO L78 Accepts]: Start accepts. Automaton has 2368 states and 2565 transitions. Word has length 517 [2020-10-24 00:15:09,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:09,831 INFO L481 AbstractCegarLoop]: Abstraction has 2368 states and 2565 transitions. [2020-10-24 00:15:09,831 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-10-24 00:15:09,831 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 2565 transitions. [2020-10-24 00:15:09,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 528 [2020-10-24 00:15:09,840 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:09,841 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, 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] [2020-10-24 00:15:09,841 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-10-24 00:15:09,841 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]=== [2020-10-24 00:15:09,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:09,842 INFO L82 PathProgramCache]: Analyzing trace with hash -479796016, now seen corresponding path program 1 times [2020-10-24 00:15:09,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:09,842 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1121220172] [2020-10-24 00:15:09,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,267 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:10,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:10,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:10,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:10,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:10,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:10,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:10,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:10,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:10,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:10,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:15:10,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:15:10,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:10,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:10,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:10,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:10,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 333 [2020-10-24 00:15:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-10-24 00:15:10,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:10,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:10,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:10,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 416 [2020-10-24 00:15:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 426 [2020-10-24 00:15:10,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 440 [2020-10-24 00:15:10,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:10,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:10,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:10,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-10-24 00:15:10,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-10-24 00:15:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:10,853 INFO L134 CoverageAnalysis]: Checked inductivity of 486 backedges. 128 proven. 41 refuted. 0 times theorem prover too weak. 317 trivial. 0 not checked. [2020-10-24 00:15:10,853 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1121220172] [2020-10-24 00:15:10,853 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:15:10,853 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:15:10,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900831457] [2020-10-24 00:15:10,854 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:15:10,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:10,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:15:10,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:15:10,855 INFO L87 Difference]: Start difference. First operand 2368 states and 2565 transitions. Second operand 19 states. [2020-10-24 00:15:11,587 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:12,110 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:12,516 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:15:12,922 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:13,355 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-10-24 00:15:13,737 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:14,785 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:15,234 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:16,778 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:17,281 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:17,737 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:18,380 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:19,601 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:19,996 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:21,298 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:21,694 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:22,077 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-24 00:15:23,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:23,953 INFO L93 Difference]: Finished difference Result 4583 states and 5053 transitions. [2020-10-24 00:15:23,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-24 00:15:23,954 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 527 [2020-10-24 00:15:23,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:23,968 INFO L225 Difference]: With dead ends: 4583 [2020-10-24 00:15:23,969 INFO L226 Difference]: Without dead ends: 2576 [2020-10-24 00:15:23,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 744 ImplicationChecksByTransitivity, 7.4s TimeCoverageRelationStatistics Valid=608, Invalid=2472, Unknown=0, NotChecked=0, Total=3080 [2020-10-24 00:15:23,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2576 states. [2020-10-24 00:15:25,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2576 to 2342. [2020-10-24 00:15:25,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2342 states. [2020-10-24 00:15:25,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2342 states to 2342 states and 2522 transitions. [2020-10-24 00:15:25,099 INFO L78 Accepts]: Start accepts. Automaton has 2342 states and 2522 transitions. Word has length 527 [2020-10-24 00:15:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:25,100 INFO L481 AbstractCegarLoop]: Abstraction has 2342 states and 2522 transitions. [2020-10-24 00:15:25,100 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:15:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2522 transitions. [2020-10-24 00:15:25,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-10-24 00:15:25,109 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:25,109 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, 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, 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] [2020-10-24 00:15:25,109 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-10-24 00:15:25,109 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]=== [2020-10-24 00:15:25,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:25,110 INFO L82 PathProgramCache]: Analyzing trace with hash -1901834018, now seen corresponding path program 1 times [2020-10-24 00:15:25,110 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:25,110 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [319730340] [2020-10-24 00:15:25,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:25,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,584 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:25,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:25,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:25,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:25,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:25,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:25,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:25,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:25,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:25,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:25,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:25,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:15:25,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:25,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:15:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:25,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:25,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:25,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:25,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:15:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:15:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:25,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:25,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:25,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:25,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-10-24 00:15:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-10-24 00:15:26,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:26,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-10-24 00:15:26,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:26,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:26,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:26,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:26,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:26,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:26,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:26,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-10-24 00:15:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-10-24 00:15:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 487 backedges. 139 proven. 36 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2020-10-24 00:15:26,286 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [319730340] [2020-10-24 00:15:26,286 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:15:26,286 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:15:26,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1372249312] [2020-10-24 00:15:26,287 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:15:26,287 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:26,288 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:15:26,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:15:26,288 INFO L87 Difference]: Start difference. First operand 2342 states and 2522 transitions. Second operand 18 states. [2020-10-24 00:15:27,065 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:29,780 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:30,203 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:30,992 WARN L193 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:31,419 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:15:32,261 WARN L193 SmtUtils]: Spent 797.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:15:32,700 WARN L193 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:15:33,515 WARN L193 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:15:33,984 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:34,476 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:34,914 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:35,334 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:38,017 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:38,500 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:42,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:15:42,126 INFO L93 Difference]: Finished difference Result 4772 states and 5321 transitions. [2020-10-24 00:15:42,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-10-24 00:15:42,127 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 528 [2020-10-24 00:15:42,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:15:42,145 INFO L225 Difference]: With dead ends: 4772 [2020-10-24 00:15:42,145 INFO L226 Difference]: Without dead ends: 3570 [2020-10-24 00:15:42,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 131 SyntacticMatches, 8 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1143 ImplicationChecksByTransitivity, 8.2s TimeCoverageRelationStatistics Valid=712, Invalid=3194, Unknown=0, NotChecked=0, Total=3906 [2020-10-24 00:15:42,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3570 states. [2020-10-24 00:15:43,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3570 to 2910. [2020-10-24 00:15:43,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2910 states. [2020-10-24 00:15:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2910 states to 2910 states and 3142 transitions. [2020-10-24 00:15:43,577 INFO L78 Accepts]: Start accepts. Automaton has 2910 states and 3142 transitions. Word has length 528 [2020-10-24 00:15:43,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:15:43,578 INFO L481 AbstractCegarLoop]: Abstraction has 2910 states and 3142 transitions. [2020-10-24 00:15:43,578 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:15:43,578 INFO L276 IsEmpty]: Start isEmpty. Operand 2910 states and 3142 transitions. [2020-10-24 00:15:43,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2020-10-24 00:15:43,587 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:15:43,588 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, 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, 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] [2020-10-24 00:15:43,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-10-24 00:15:43,588 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]=== [2020-10-24 00:15:43,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:15:43,589 INFO L82 PathProgramCache]: Analyzing trace with hash 2020822732, now seen corresponding path program 1 times [2020-10-24 00:15:43,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:15:43,589 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1972475372] [2020-10-24 00:15:43,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:15:43,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,050 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:15:44,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:15:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:15:44,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:15:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:15:44,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:15:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:15:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:15:44,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:15:44,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:44,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:15:44,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:15:44,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:44,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:44,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:44,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:44,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:15:44,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:15:44,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:15:44,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:15:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:44,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:15:44,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:15:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:15:44,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-24 00:15:44,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:15:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-10-24 00:15:44,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:15:44,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-10-24 00:15:44,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:15:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:15:44,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:15:44,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:44,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:15:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:15:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-10-24 00:15:44,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-10-24 00:15:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:15:44,866 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 129 proven. 64 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2020-10-24 00:15:44,866 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1972475372] [2020-10-24 00:15:44,867 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:15:44,867 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-10-24 00:15:44,867 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043355547] [2020-10-24 00:15:44,868 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-10-24 00:15:44,868 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:15:44,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-10-24 00:15:44,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-10-24 00:15:44,868 INFO L87 Difference]: Start difference. First operand 2910 states and 3142 transitions. Second operand 18 states. [2020-10-24 00:15:45,628 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:47,496 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:48,646 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:49,152 WARN L193 SmtUtils]: Spent 451.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:50,035 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:15:50,490 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:51,321 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:15:51,774 WARN L193 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:52,587 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:15:53,404 WARN L193 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:15:54,354 WARN L193 SmtUtils]: Spent 854.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-10-24 00:15:55,145 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-10-24 00:15:55,534 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:15:58,031 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:15:58,506 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:15:59,927 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:01,213 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:01,669 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:02,526 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:16:02,922 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-24 00:16:03,764 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:16:04,164 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-24 00:16:04,913 WARN L193 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:16:05,346 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:16:05,803 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-10-24 00:16:06,229 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-10-24 00:16:10,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:10,945 INFO L93 Difference]: Finished difference Result 6459 states and 7319 transitions. [2020-10-24 00:16:10,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 85 states. [2020-10-24 00:16:10,947 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 543 [2020-10-24 00:16:10,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:10,971 INFO L225 Difference]: With dead ends: 6459 [2020-10-24 00:16:10,971 INFO L226 Difference]: Without dead ends: 4946 [2020-10-24 00:16:10,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 251 GetRequests, 152 SyntacticMatches, 7 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3005 ImplicationChecksByTransitivity, 15.9s TimeCoverageRelationStatistics Valid=1471, Invalid=7271, Unknown=0, NotChecked=0, Total=8742 [2020-10-24 00:16:10,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4946 states. [2020-10-24 00:16:12,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4946 to 3747. [2020-10-24 00:16:12,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3747 states. [2020-10-24 00:16:12,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3747 states to 3747 states and 4056 transitions. [2020-10-24 00:16:12,663 INFO L78 Accepts]: Start accepts. Automaton has 3747 states and 4056 transitions. Word has length 543 [2020-10-24 00:16:12,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:12,663 INFO L481 AbstractCegarLoop]: Abstraction has 3747 states and 4056 transitions. [2020-10-24 00:16:12,663 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-10-24 00:16:12,663 INFO L276 IsEmpty]: Start isEmpty. Operand 3747 states and 4056 transitions. [2020-10-24 00:16:12,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 627 [2020-10-24 00:16:12,676 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:12,677 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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, 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] [2020-10-24 00:16:12,677 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-10-24 00:16:12,678 INFO L429 AbstractCegarLoop]: === Iteration 18 === [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]=== [2020-10-24 00:16:12,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:12,679 INFO L82 PathProgramCache]: Analyzing trace with hash -567875389, now seen corresponding path program 2 times [2020-10-24 00:16:12,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:12,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311368717] [2020-10-24 00:16:12,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,148 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:13,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:13,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:16:13,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:13,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:13,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:13,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:13,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:16:13,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:16:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:13,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:13,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:13,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:16:13,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-10-24 00:16:13,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:16:13,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:13,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:13,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:13,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:16:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:13,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:16:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-10-24 00:16:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:13,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:16:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 515 [2020-10-24 00:16:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-10-24 00:16:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 539 [2020-10-24 00:16:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:13,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:13,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:13,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:13,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:13,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:13,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 602 [2020-10-24 00:16:13,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:13,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 612 [2020-10-24 00:16:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:14,213 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 213 proven. 64 refuted. 0 times theorem prover too weak. 560 trivial. 0 not checked. [2020-10-24 00:16:14,213 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311368717] [2020-10-24 00:16:14,213 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:16:14,213 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:16:14,213 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554608420] [2020-10-24 00:16:14,214 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:16:14,214 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:14,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:16:14,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:16:14,215 INFO L87 Difference]: Start difference. First operand 3747 states and 4056 transitions. Second operand 19 states. [2020-10-24 00:16:14,992 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:16,252 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:17,374 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:18,490 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:18,956 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:19,796 WARN L193 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:16:20,241 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:21,101 WARN L193 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-10-24 00:16:21,511 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:22,271 WARN L193 SmtUtils]: Spent 719.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:16:26,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:26,853 INFO L93 Difference]: Finished difference Result 6638 states and 7355 transitions. [2020-10-24 00:16:26,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-10-24 00:16:26,854 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 626 [2020-10-24 00:16:26,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:26,877 INFO L225 Difference]: With dead ends: 6638 [2020-10-24 00:16:26,877 INFO L226 Difference]: Without dead ends: 4253 [2020-10-24 00:16:26,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 158 SyntacticMatches, 10 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 901 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=635, Invalid=2445, Unknown=0, NotChecked=0, Total=3080 [2020-10-24 00:16:26,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4253 states. [2020-10-24 00:16:28,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4253 to 3606. [2020-10-24 00:16:28,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3606 states. [2020-10-24 00:16:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3606 states to 3606 states and 3873 transitions. [2020-10-24 00:16:28,803 INFO L78 Accepts]: Start accepts. Automaton has 3606 states and 3873 transitions. Word has length 626 [2020-10-24 00:16:28,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:28,804 INFO L481 AbstractCegarLoop]: Abstraction has 3606 states and 3873 transitions. [2020-10-24 00:16:28,804 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:16:28,804 INFO L276 IsEmpty]: Start isEmpty. Operand 3606 states and 3873 transitions. [2020-10-24 00:16:28,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2020-10-24 00:16:28,813 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:28,813 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, 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, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:16:28,814 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-10-24 00:16:28,814 INFO L429 AbstractCegarLoop]: === Iteration 19 === [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]=== [2020-10-24 00:16:28,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:28,814 INFO L82 PathProgramCache]: Analyzing trace with hash -972337081, now seen corresponding path program 2 times [2020-10-24 00:16:28,814 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:28,814 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1698191306] [2020-10-24 00:16:28,815 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,293 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:29,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:29,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:29,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:29,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:29,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:16:29,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:29,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:29,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:29,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:29,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:29,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:29,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:16:29,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:16:29,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:29,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:29,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:29,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:16:29,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:29,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-10-24 00:16:29,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:16:29,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:29,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:29,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:29,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:16:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:29,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:16:29,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-10-24 00:16:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:29,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:29,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:16:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:29,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 521 [2020-10-24 00:16:29,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-10-24 00:16:29,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-10-24 00:16:29,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-10-24 00:16:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:29,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:29,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:29,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-10-24 00:16:29,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:29,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-10-24 00:16:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:30,211 INFO L134 CoverageAnalysis]: Checked inductivity of 902 backedges. 195 proven. 97 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2020-10-24 00:16:30,211 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1698191306] [2020-10-24 00:16:30,212 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:16:30,212 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-10-24 00:16:30,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732807791] [2020-10-24 00:16:30,213 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-10-24 00:16:30,213 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:30,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-10-24 00:16:30,214 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-10-24 00:16:30,214 INFO L87 Difference]: Start difference. First operand 3606 states and 3873 transitions. Second operand 19 states. [2020-10-24 00:16:31,047 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:32,196 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:33,261 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:34,381 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:34,810 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:35,627 WARN L193 SmtUtils]: Spent 701.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:16:36,039 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:36,867 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-10-24 00:16:37,313 WARN L193 SmtUtils]: Spent 416.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:38,137 WARN L193 SmtUtils]: Spent 773.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-10-24 00:16:41,012 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-24 00:16:42,012 WARN L193 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-24 00:16:42,434 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-10-24 00:16:43,200 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:16:44,004 WARN L193 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-24 00:16:44,760 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-10-24 00:16:48,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:16:48,475 INFO L93 Difference]: Finished difference Result 7117 states and 7862 transitions. [2020-10-24 00:16:48,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-10-24 00:16:48,475 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 641 [2020-10-24 00:16:48,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:16:48,497 INFO L225 Difference]: With dead ends: 7117 [2020-10-24 00:16:48,497 INFO L226 Difference]: Without dead ends: 4873 [2020-10-24 00:16:48,506 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 256 GetRequests, 174 SyntacticMatches, 9 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1747 ImplicationChecksByTransitivity, 10.2s TimeCoverageRelationStatistics Valid=1148, Invalid=4402, Unknown=0, NotChecked=0, Total=5550 [2020-10-24 00:16:48,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4873 states. [2020-10-24 00:16:50,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4873 to 4082. [2020-10-24 00:16:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4082 states. [2020-10-24 00:16:50,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4082 states to 4082 states and 4384 transitions. [2020-10-24 00:16:50,368 INFO L78 Accepts]: Start accepts. Automaton has 4082 states and 4384 transitions. Word has length 641 [2020-10-24 00:16:50,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:16:50,368 INFO L481 AbstractCegarLoop]: Abstraction has 4082 states and 4384 transitions. [2020-10-24 00:16:50,369 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-10-24 00:16:50,369 INFO L276 IsEmpty]: Start isEmpty. Operand 4082 states and 4384 transitions. [2020-10-24 00:16:50,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 642 [2020-10-24 00:16:50,377 INFO L414 BasicCegarLoop]: Found error trace [2020-10-24 00:16:50,378 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-24 00:16:50,378 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-10-24 00:16:50,378 INFO L429 AbstractCegarLoop]: === Iteration 20 === [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]=== [2020-10-24 00:16:50,378 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-24 00:16:50,378 INFO L82 PathProgramCache]: Analyzing trace with hash 785280922, now seen corresponding path program 1 times [2020-10-24 00:16:50,379 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-24 00:16:50,379 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [17523453] [2020-10-24 00:16:50,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-24 00:16:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:50,959 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:16:50,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:50,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-10-24 00:16:50,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:50,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-10-24 00:16:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:50,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-10-24 00:16:50,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-10-24 00:16:50,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-10-24 00:16:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-24 00:16:51,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-10-24 00:16:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:51,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:51,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:51,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:51,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-10-24 00:16:51,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-10-24 00:16:51,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:51,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:51,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:51,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:51,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:51,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-24 00:16:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:51,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 334 [2020-10-24 00:16:51,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 343 [2020-10-24 00:16:51,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:51,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-24 00:16:51,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:51,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-10-24 00:16:51,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-24 00:16:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2020-10-24 00:16:51,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-10-24 00:16:51,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-10-24 00:16:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:51,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:51,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-10-24 00:16:51,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:51,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-10-24 00:16:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-24 00:16:51,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 526 [2020-10-24 00:16:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-10-24 00:16:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-24 00:16:51,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 554 [2020-10-24 00:16:51,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-24 00:16:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-10-24 00:16:51,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-10-24 00:16:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:51,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-24 00:16:51,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-10-24 00:16:51,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 617 [2020-10-24 00:16:51,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:51,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2020-10-24 00:16:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-24 00:16:52,078 INFO L134 CoverageAnalysis]: Checked inductivity of 870 backedges. 188 proven. 144 refuted. 0 times theorem prover too weak. 538 trivial. 0 not checked. [2020-10-24 00:16:52,078 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [17523453] [2020-10-24 00:16:52,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-24 00:16:52,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-10-24 00:16:52,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083144232] [2020-10-24 00:16:52,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-10-24 00:16:52,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-24 00:16:52,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-10-24 00:16:52,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2020-10-24 00:16:52,080 INFO L87 Difference]: Start difference. First operand 4082 states and 4384 transitions. Second operand 24 states. [2020-10-24 00:16:53,243 WARN L193 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-10-24 00:16:54,962 WARN L193 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-10-24 00:16:57,654 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-10-24 00:16:58,534 WARN L193 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-10-24 00:16:59,490 WARN L193 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:17:00,310 WARN L193 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-10-24 00:17:01,164 WARN L193 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-10-24 00:17:01,978 WARN L193 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-10-24 00:17:02,768 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-10-24 00:17:03,589 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:17:04,423 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:17:05,225 WARN L193 SmtUtils]: Spent 755.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-10-24 00:17:08,676 WARN L193 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-10-24 00:17:10,211 WARN L193 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-10-24 00:17:11,035 WARN L193 SmtUtils]: Spent 781.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-10-24 00:17:11,899 WARN L193 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:17:12,751 WARN L193 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-10-24 00:17:13,542 WARN L193 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-10-24 00:17:17,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-24 00:17:17,428 INFO L93 Difference]: Finished difference Result 6904 states and 7527 transitions. [2020-10-24 00:17:17,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-10-24 00:17:17,429 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 641 [2020-10-24 00:17:17,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-24 00:17:17,432 INFO L225 Difference]: With dead ends: 6904 [2020-10-24 00:17:17,432 INFO L226 Difference]: Without dead ends: 0 [2020-10-24 00:17:17,448 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 163 SyntacticMatches, 11 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1662 ImplicationChecksByTransitivity, 16.1s TimeCoverageRelationStatistics Valid=790, Invalid=4910, Unknown=0, NotChecked=0, Total=5700 [2020-10-24 00:17:17,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-24 00:17:17,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-24 00:17:17,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-24 00:17:17,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-24 00:17:17,450 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 641 [2020-10-24 00:17:17,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-24 00:17:17,450 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-24 00:17:17,450 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-10-24 00:17:17,450 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-24 00:17:17,450 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-24 00:17:17,450 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-10-24 00:17:17,452 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-24 00:17:18,328 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 252 [2020-10-24 00:17:18,554 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:17:19,183 WARN L193 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:17:19,637 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 253 [2020-10-24 00:17:19,761 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 250 [2020-10-24 00:17:20,005 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 251 [2020-10-24 00:17:20,941 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 254 [2020-10-24 00:17:21,307 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:17:21,792 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 254 [2020-10-24 00:17:23,991 WARN L193 SmtUtils]: Spent 2.03 s on a formula simplification. DAG size of input: 687 DAG size of output: 494 [2020-10-24 00:17:24,449 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 260 [2020-10-24 00:17:24,765 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-10-24 00:17:24,997 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 262 [2020-10-24 00:17:29,928 WARN L193 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 782 DAG size of output: 540 [2020-10-24 00:17:33,067 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 279 [2020-10-24 00:17:33,400 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2020-10-24 00:17:35,715 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:17:35,873 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:17:39,376 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:17:39,864 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:17:40,115 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:17:41,719 WARN L193 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2020-10-24 00:17:41,911 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 271 [2020-10-24 00:17:42,761 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:17:43,009 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 34 [2020-10-24 00:17:43,358 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 258 [2020-10-24 00:17:43,481 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:17:43,691 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 267 [2020-10-24 00:17:43,901 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 258 [2020-10-24 00:17:44,018 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 33 [2020-10-24 00:17:44,145 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:17:44,303 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:17:44,525 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 213 [2020-10-24 00:17:44,636 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 34 [2020-10-24 00:17:44,967 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 258 [2020-10-24 00:17:45,132 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:17:45,294 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:17:45,413 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:17:45,529 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:17:45,722 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 267 [2020-10-24 00:17:45,835 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 32 [2020-10-24 00:17:46,243 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 305 DAG size of output: 279 [2020-10-24 00:17:46,555 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 273 [2020-10-24 00:17:47,720 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 258 [2020-10-24 00:17:48,194 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-10-24 00:17:48,714 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-10-24 00:17:48,835 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 278 [2020-10-24 00:17:49,068 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 265 [2020-10-24 00:17:49,372 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 272 [2020-10-24 00:17:49,574 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 281 [2020-10-24 00:17:50,274 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 285 [2020-10-24 00:17:50,620 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 287 [2020-10-24 00:17:51,363 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 279 [2020-10-24 00:17:53,092 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:17:53,398 WARN L193 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:17:54,263 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-10-24 00:17:55,390 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:17:55,753 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:17:55,887 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 256 [2020-10-24 00:17:58,252 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2020-10-24 00:17:58,704 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:17:59,206 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:17:59,452 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:18:00,991 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:18:01,220 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:18:04,809 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 589 DAG size of output: 381 [2020-10-24 00:18:05,976 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 589 DAG size of output: 380 [2020-10-24 00:18:06,533 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:18:06,748 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:18:09,132 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 687 DAG size of output: 494 [2020-10-24 00:18:12,049 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 276 [2020-10-24 00:18:12,405 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 277 [2020-10-24 00:18:12,668 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 267 [2020-10-24 00:18:12,773 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 269 [2020-10-24 00:18:13,842 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2020-10-24 00:18:14,026 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 271 [2020-10-24 00:18:14,388 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:18:14,643 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 34 [2020-10-24 00:18:14,982 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 258 [2020-10-24 00:18:15,099 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:18:15,307 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 267 [2020-10-24 00:18:15,514 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 258 [2020-10-24 00:18:15,641 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 33 [2020-10-24 00:18:15,757 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:18:15,915 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:18:16,136 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 213 [2020-10-24 00:18:16,246 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 34 [2020-10-24 00:18:16,575 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 258 [2020-10-24 00:18:16,746 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:18:16,917 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:18:17,033 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:18:17,152 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 35 [2020-10-24 00:18:17,358 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 267 [2020-10-24 00:18:17,471 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 32 [2020-10-24 00:18:18,357 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 269 [2020-10-24 00:18:18,545 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 271 [2020-10-24 00:18:19,458 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:18:19,677 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:18:20,604 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:18:20,797 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:18:21,211 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:18:21,767 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:18:21,971 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:18:22,240 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:18:22,550 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:18:22,746 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:18:27,503 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 684 DAG size of output: 508 [2020-10-24 00:18:30,009 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 275 [2020-10-24 00:18:30,279 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 271 [2020-10-24 00:18:31,787 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-10-24 00:18:32,282 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2020-10-24 00:18:32,387 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 272 [2020-10-24 00:18:32,599 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 261 [2020-10-24 00:18:32,897 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 269 [2020-10-24 00:18:33,066 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 274 [2020-10-24 00:18:33,583 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 278 [2020-10-24 00:18:33,897 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 280 [2020-10-24 00:18:34,596 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 272 [2020-10-24 00:18:35,507 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:18:35,664 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:18:41,157 WARN L193 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 782 DAG size of output: 540 [2020-10-24 00:18:43,650 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 782 DAG size of output: 540 [2020-10-24 00:18:44,011 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:18:44,536 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:18:45,177 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:18:45,329 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 260 [2020-10-24 00:18:45,722 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:18:50,657 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 782 DAG size of output: 540 [2020-10-24 00:18:52,673 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 608 DAG size of output: 416 [2020-10-24 00:18:53,869 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 589 DAG size of output: 381 [2020-10-24 00:18:56,342 WARN L193 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 782 DAG size of output: 540 [2020-10-24 00:18:58,790 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 782 DAG size of output: 540 [2020-10-24 00:19:01,251 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:19:02,199 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2020-10-24 00:19:02,593 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 262 [2020-10-24 00:19:03,078 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 259 [2020-10-24 00:19:03,308 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:19:03,922 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 264 [2020-10-24 00:19:04,260 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 262 [2020-10-24 00:19:07,707 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-10-24 00:19:08,213 WARN L193 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-10-24 00:19:09,259 WARN L193 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:19:09,550 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:19:10,385 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-10-24 00:19:11,339 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2020-10-24 00:19:11,732 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 262 [2020-10-24 00:19:12,223 WARN L193 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 259 [2020-10-24 00:19:12,453 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 263 [2020-10-24 00:19:13,059 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 264 [2020-10-24 00:19:13,405 WARN L193 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 262 [2020-10-24 00:19:18,941 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 262 [2020-10-24 00:19:22,282 WARN L193 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 687 DAG size of output: 494 [2020-10-24 00:19:25,307 WARN L193 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 687 DAG size of output: 494 [2020-10-24 00:19:26,310 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 271 [2020-10-24 00:19:26,555 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-10-24 00:19:26,745 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 271 [2020-10-24 00:19:27,040 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-10-24 00:19:27,205 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-10-24 00:19:27,399 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-10-24 00:19:27,560 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2020-10-24 00:19:27,779 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 260 [2020-10-24 00:19:27,962 WARN L193 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2020-10-24 00:19:28,172 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 271 [2020-10-24 00:19:28,283 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 259 [2020-10-24 00:19:28,444 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 268 [2020-10-24 00:19:28,626 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 263 [2020-10-24 00:19:29,826 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 589 DAG size of output: 381 [2020-10-24 00:19:30,423 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:19:30,581 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:19:33,403 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 782 DAG size of output: 540 [2020-10-24 00:19:33,557 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:19:33,926 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:19:34,600 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:19:34,839 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:19:35,156 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 256 [2020-10-24 00:19:35,599 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:19:36,238 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:19:37,723 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 589 DAG size of output: 381 [2020-10-24 00:19:38,609 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 254 [2020-10-24 00:19:38,980 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 254 [2020-10-24 00:19:40,242 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 266 [2020-10-24 00:19:40,879 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 261 [2020-10-24 00:19:41,172 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 262 [2020-10-24 00:19:42,569 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 258 [2020-10-24 00:19:42,852 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 256 [2020-10-24 00:19:46,432 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 589 DAG size of output: 380 [2020-10-24 00:19:46,879 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-10-24 00:19:47,035 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 261 [2020-10-24 00:19:47,660 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 258 [2020-10-24 00:19:47,945 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 256 [2020-10-24 00:19:48,237 WARN L193 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:19:50,744 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 782 DAG size of output: 540 [2020-10-24 00:19:50,939 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 272 [2020-10-24 00:19:51,124 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 273 [2020-10-24 00:19:52,572 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 256 [2020-10-24 00:19:53,369 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 275 [2020-10-24 00:19:53,631 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 271 [2020-10-24 00:19:55,163 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 276 [2020-10-24 00:19:55,394 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 277 [2020-10-24 00:19:55,777 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 267 [2020-10-24 00:19:59,427 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 782 DAG size of output: 540 [2020-10-24 00:20:00,141 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 267 [2020-10-24 00:20:00,658 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-10-24 00:20:00,778 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 278 [2020-10-24 00:20:01,008 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 265 [2020-10-24 00:20:01,308 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 272 [2020-10-24 00:20:01,510 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 281 [2020-10-24 00:20:02,043 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 285 [2020-10-24 00:20:02,382 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 287 [2020-10-24 00:20:03,118 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 279 [2020-10-24 00:20:08,967 WARN L193 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 272 DAG size of output: 46 [2020-10-24 00:20:11,464 WARN L193 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 240 DAG size of output: 50 [2020-10-24 00:20:15,397 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 246 DAG size of output: 44 [2020-10-24 00:20:18,959 WARN L193 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 368 DAG size of output: 51 [2020-10-24 00:20:20,253 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 201 DAG size of output: 44 [2020-10-24 00:20:24,505 WARN L193 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 256 DAG size of output: 48 [2020-10-24 00:20:25,286 WARN L193 SmtUtils]: Spent 778.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:20:25,969 WARN L193 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 28 [2020-10-24 00:20:30,013 WARN L193 SmtUtils]: Spent 4.04 s on a formula simplification. DAG size of input: 417 DAG size of output: 53 [2020-10-24 00:20:30,312 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 1 [2020-10-24 00:20:34,270 WARN L193 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 213 DAG size of output: 43 [2020-10-24 00:20:38,164 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 209 DAG size of output: 43 [2020-10-24 00:20:42,063 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 209 DAG size of output: 43 [2020-10-24 00:20:45,397 WARN L193 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 281 DAG size of output: 45 [2020-10-24 00:20:48,526 WARN L193 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 246 DAG size of output: 43 [2020-10-24 00:20:51,671 WARN L193 SmtUtils]: Spent 3.13 s on a formula simplification. DAG size of input: 246 DAG size of output: 43 [2020-10-24 00:20:53,032 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2020-10-24 00:20:53,315 WARN L193 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 1 [2020-10-24 00:20:53,666 WARN L193 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-10-24 00:20:55,597 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 423 DAG size of output: 1 [2020-10-24 00:20:58,919 WARN L193 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 247 DAG size of output: 48 [2020-10-24 00:21:02,436 WARN L193 SmtUtils]: Spent 3.51 s on a formula simplification. DAG size of input: 268 DAG size of output: 49 [2020-10-24 00:21:03,411 WARN L193 SmtUtils]: Spent 971.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 24 [2020-10-24 00:21:05,747 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 233 DAG size of output: 43 [2020-10-24 00:21:07,957 WARN L193 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 286 DAG size of output: 51 [2020-10-24 00:21:11,322 WARN L193 SmtUtils]: Spent 3.35 s on a formula simplification. DAG size of input: 281 DAG size of output: 45 [2020-10-24 00:21:18,391 WARN L193 SmtUtils]: Spent 7.04 s on a formula simplification. DAG size of input: 510 DAG size of output: 50 [2020-10-24 00:21:21,134 WARN L193 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 254 DAG size of output: 44 [2020-10-24 00:21:23,607 WARN L193 SmtUtils]: Spent 2.40 s on a formula simplification. DAG size of input: 265 DAG size of output: 77 [2020-10-24 00:21:23,824 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2020-10-24 00:21:28,008 WARN L193 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 266 DAG size of output: 44 [2020-10-24 00:21:32,921 WARN L193 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 233 DAG size of output: 49 [2020-10-24 00:21:33,301 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:21:35,355 WARN L193 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 312 DAG size of output: 46 [2020-10-24 00:21:39,282 WARN L193 SmtUtils]: Spent 3.91 s on a formula simplification. DAG size of input: 213 DAG size of output: 47 [2020-10-24 00:21:40,065 WARN L193 SmtUtils]: Spent 780.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:21:41,383 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 201 DAG size of output: 44 [2020-10-24 00:21:43,293 WARN L193 SmtUtils]: Spent 1.88 s on a formula simplification. DAG size of input: 423 DAG size of output: 1 [2020-10-24 00:21:44,643 WARN L193 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2020-10-24 00:21:47,099 WARN L193 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 229 DAG size of output: 42 [2020-10-24 00:21:49,583 WARN L193 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 257 DAG size of output: 76 [2020-10-24 00:21:50,902 WARN L193 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 239 DAG size of output: 37 [2020-10-24 00:21:51,176 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 1 [2020-10-24 00:21:52,659 WARN L193 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 253 DAG size of output: 47 [2020-10-24 00:21:54,121 WARN L193 SmtUtils]: Spent 1.45 s on a formula simplification. DAG size of input: 252 DAG size of output: 47 [2020-10-24 00:21:59,684 WARN L193 SmtUtils]: Spent 5.55 s on a formula simplification. DAG size of input: 272 DAG size of output: 46 [2020-10-24 00:22:03,073 WARN L193 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 368 DAG size of output: 51 [2020-10-24 00:22:04,859 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 265 DAG size of output: 71 [2020-10-24 00:22:08,980 WARN L193 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 209 DAG size of output: 43 [2020-10-24 00:22:10,627 WARN L193 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-10-24 00:22:11,869 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 236 DAG size of output: 38 [2020-10-24 00:22:12,262 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 21 [2020-10-24 00:22:13,473 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 268 DAG size of output: 42 [2020-10-24 00:22:16,536 WARN L193 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 270 DAG size of output: 47 [2020-10-24 00:22:19,336 WARN L193 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 247 DAG size of output: 43 [2020-10-24 00:22:20,071 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:22:20,468 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-10-24 00:22:23,257 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 304 DAG size of output: 41 [2020-10-24 00:22:23,533 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 1 [2020-10-24 00:22:26,457 WARN L193 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 268 DAG size of output: 43 [2020-10-24 00:22:28,555 WARN L193 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 286 DAG size of output: 51 [2020-10-24 00:22:28,832 WARN L193 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 1 [2020-10-24 00:22:31,747 WARN L193 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 268 DAG size of output: 43 [2020-10-24 00:22:33,007 WARN L193 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2020-10-24 00:22:34,194 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 268 DAG size of output: 42 [2020-10-24 00:22:36,034 WARN L193 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 249 DAG size of output: 53 [2020-10-24 00:22:41,480 WARN L193 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 428 DAG size of output: 61 [2020-10-24 00:22:45,136 WARN L193 SmtUtils]: Spent 3.61 s on a formula simplification. DAG size of input: 207 DAG size of output: 39 [2020-10-24 00:22:46,804 WARN L193 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 241 DAG size of output: 47 [2020-10-24 00:22:47,540 WARN L193 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:22:49,984 WARN L193 SmtUtils]: Spent 2.43 s on a formula simplification. DAG size of input: 299 DAG size of output: 73 [2020-10-24 00:22:53,526 WARN L193 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 389 DAG size of output: 45 [2020-10-24 00:22:53,816 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 1 [2020-10-24 00:22:55,338 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 214 DAG size of output: 44 [2020-10-24 00:22:55,603 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-10-24 00:22:59,414 WARN L193 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 286 DAG size of output: 56 [2020-10-24 00:23:01,192 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 227 DAG size of output: 20 [2020-10-24 00:23:07,716 WARN L193 SmtUtils]: Spent 6.49 s on a formula simplification. DAG size of input: 494 DAG size of output: 50 [2020-10-24 00:23:08,331 WARN L193 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 19 [2020-10-24 00:23:09,612 WARN L193 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2020-10-24 00:23:11,723 WARN L193 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 283 DAG size of output: 71 [2020-10-24 00:23:15,800 WARN L193 SmtUtils]: Spent 4.07 s on a formula simplification. DAG size of input: 209 DAG size of output: 43 [2020-10-24 00:23:20,138 WARN L193 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 229 DAG size of output: 46 [2020-10-24 00:23:22,540 WARN L193 SmtUtils]: Spent 2.38 s on a formula simplification. DAG size of input: 251 DAG size of output: 38 [2020-10-24 00:23:26,408 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 417 DAG size of output: 53 [2020-10-24 00:23:26,728 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:23:30,583 WARN L193 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 417 DAG size of output: 53 [2020-10-24 00:23:31,318 WARN L193 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 25 [2020-10-24 00:23:34,002 WARN L193 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 324 DAG size of output: 45 [2020-10-24 00:23:35,847 WARN L193 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 249 DAG size of output: 53 [2020-10-24 00:23:36,169 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:23:39,811 WARN L193 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 213 DAG size of output: 47 [2020-10-24 00:23:40,074 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-10-24 00:23:43,937 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 417 DAG size of output: 53 [2020-10-24 00:23:46,075 WARN L193 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 294 DAG size of output: 46 [2020-10-24 00:23:47,491 WARN L193 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 253 DAG size of output: 47 [2020-10-24 00:23:51,383 WARN L193 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 417 DAG size of output: 53 [2020-10-24 00:23:55,246 WARN L193 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 417 DAG size of output: 53 [2020-10-24 00:23:58,167 WARN L193 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 249 DAG size of output: 53 [2020-10-24 00:24:01,612 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 242 DAG size of output: 49 [2020-10-24 00:24:05,053 WARN L193 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 242 DAG size of output: 49 [2020-10-24 00:24:08,512 WARN L193 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 239 DAG size of output: 45 [2020-10-24 00:24:10,553 WARN L193 SmtUtils]: Spent 2.00 s on a formula simplification. DAG size of input: 229 DAG size of output: 35 [2020-10-24 00:24:11,917 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 274 DAG size of output: 46 [2020-10-24 00:24:17,914 WARN L193 SmtUtils]: Spent 5.98 s on a formula simplification. DAG size of input: 418 DAG size of output: 57 [2020-10-24 00:24:18,179 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-10-24 00:24:18,517 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-10-24 00:24:21,894 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 247 DAG size of output: 45 [2020-10-24 00:24:25,276 WARN L193 SmtUtils]: Spent 3.37 s on a formula simplification. DAG size of input: 247 DAG size of output: 45 [2020-10-24 00:24:25,615 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-10-24 00:24:28,121 WARN L193 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 292 DAG size of output: 40 [2020-10-24 00:24:30,955 WARN L193 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 229 DAG size of output: 36 [2020-10-24 00:24:34,893 WARN L193 SmtUtils]: Spent 3.93 s on a formula simplification. DAG size of input: 266 DAG size of output: 44 [2020-10-24 00:24:40,863 WARN L193 SmtUtils]: Spent 5.95 s on a formula simplification. DAG size of input: 418 DAG size of output: 57 [2020-10-24 00:24:41,834 WARN L193 SmtUtils]: Spent 950.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 27 [2020-10-24 00:24:42,046 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2020-10-24 00:24:42,311 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 1 [2020-10-24 00:24:46,179 WARN L193 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 253 DAG size of output: 45 [2020-10-24 00:24:48,866 WARN L193 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 243 DAG size of output: 39 [2020-10-24 00:24:49,188 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:24:51,549 WARN L193 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 248 DAG size of output: 39 [2020-10-24 00:24:55,604 WARN L193 SmtUtils]: Spent 4.01 s on a formula simplification. DAG size of input: 256 DAG size of output: 48 [2020-10-24 00:24:58,417 WARN L193 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 247 DAG size of output: 43 [2020-10-24 00:25:01,832 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 368 DAG size of output: 51 [2020-10-24 00:25:02,155 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:25:06,771 WARN L193 SmtUtils]: Spent 4.61 s on a formula simplification. DAG size of input: 233 DAG size of output: 49 [2020-10-24 00:25:10,185 WARN L193 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 368 DAG size of output: 51 [2020-10-24 00:25:13,026 WARN L193 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 230 DAG size of output: 48 [2020-10-24 00:25:14,495 WARN L193 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 260 DAG size of output: 41 [2020-10-24 00:25:17,785 WARN L193 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 318 DAG size of output: 43 [2020-10-24 00:25:19,216 WARN L193 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 253 DAG size of output: 47 [2020-10-24 00:25:19,630 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-10-24 00:25:20,017 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 19 [2020-10-24 00:25:20,365 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-10-24 00:25:20,709 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-24 00:25:22,003 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 253 DAG size of output: 1 [2020-10-24 00:25:25,930 WARN L193 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 417 DAG size of output: 53