/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_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:24:10,835 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:24:10,839 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:24:10,895 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:24:10,896 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:24:10,901 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:24:10,905 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:24:10,913 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:24:10,916 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:24:10,923 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:24:10,924 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:24:10,925 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:24:10,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:24:10,929 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:24:10,931 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:24:10,932 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:24:10,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:24:10,936 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:24:10,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:24:10,952 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:24:10,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:24:10,955 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:24:10,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:24:10,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:24:10,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:24:10,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:24:10,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:24:10,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:24:10,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:24:10,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:24:10,973 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:24:10,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:24:10,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:24:10,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:24:10,990 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:24:10,991 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:24:10,992 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:24:10,992 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:24:10,993 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:24:10,994 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:24:10,994 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:24:10,995 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-11-07 04:24:11,017 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:24:11,018 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:24:11,023 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:24:11,023 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:24:11,023 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:24:11,024 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:24:11,024 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:24:11,024 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:24:11,024 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:24:11,025 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:24:11,026 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:24:11,026 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:24:11,027 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:24:11,027 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:24:11,028 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:24:11,028 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:24:11,028 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:24:11,028 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:24:11,028 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:24:11,029 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:24:11,029 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:24:11,029 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:24:11,030 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:24:11,452 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:24:11,491 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:24:11,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:24:11,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:24:11,496 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:24:11,497 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-11-07 04:24:11,583 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6c1f756/aac4c969c1b543d994b62a96ed784494/FLAG640e8a6fb [2020-11-07 04:24:12,255 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:24:12,256 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product39.cil.c [2020-11-07 04:24:12,275 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6c1f756/aac4c969c1b543d994b62a96ed784494/FLAG640e8a6fb [2020-11-07 04:24:12,580 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f6c1f756/aac4c969c1b543d994b62a96ed784494 [2020-11-07 04:24:12,583 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:24:12,591 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:24:12,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:24:12,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:24:12,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:24:12,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:12" (1/1) ... [2020-11-07 04:24:12,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44e3c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:12, skipping insertion in model container [2020-11-07 04:24:12,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:24:12" (1/1) ... [2020-11-07 04:24:12,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:24:12,690 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:24:13,035 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:24:13,063 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:24:13,219 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:24:13,265 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:24:13,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13 WrapperNode [2020-11-07 04:24:13,265 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:24:13,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:24:13,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:24:13,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:24:13,281 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13" (1/1) ... [2020-11-07 04:24:13,281 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13" (1/1) ... [2020-11-07 04:24:13,300 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13" (1/1) ... [2020-11-07 04:24:13,300 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13" (1/1) ... [2020-11-07 04:24:13,336 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13" (1/1) ... [2020-11-07 04:24:13,371 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13" (1/1) ... [2020-11-07 04:24:13,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13" (1/1) ... [2020-11-07 04:24:13,385 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:24:13,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:24:13,386 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:24:13,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:24:13,387 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:24:13,512 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:24:13,513 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:24:13,514 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:24:13,515 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:24:13,516 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:24:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:24:13,517 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:24:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-11-07 04:24:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:24:13,518 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:24:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:24:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:24:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:24:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:24:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:24:13,521 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:24:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:24:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:24:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:24:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:24:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:24:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:24:13,522 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:24:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:24:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:24:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:24:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:24:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:24:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:24:13,523 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:24:13,523 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:24:13,524 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:24:13,525 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:24:13,526 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-11-07 04:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:24:13,527 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:24:13,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:24:13,529 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:24:13,530 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:24:13,531 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:24:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:24:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:24:13,532 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:24:13,533 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:24:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:24:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:24:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:24:13,534 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:24:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:24:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:24:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:24:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:24:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:24:13,535 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:24:15,036 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:24:15,037 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:24:15,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:15 BoogieIcfgContainer [2020-11-07 04:24:15,040 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:24:15,042 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:24:15,042 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:24:15,046 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:24:15,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:24:12" (1/3) ... [2020-11-07 04:24:15,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157c6ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:15, skipping insertion in model container [2020-11-07 04:24:15,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:24:13" (2/3) ... [2020-11-07 04:24:15,048 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@157c6ed3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:24:15, skipping insertion in model container [2020-11-07 04:24:15,048 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:24:15" (3/3) ... [2020-11-07 04:24:15,050 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product39.cil.c [2020-11-07 04:24:15,068 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:24:15,072 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:24:15,086 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:24:15,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:24:15,114 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:24:15,114 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:24:15,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:24:15,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:24:15,114 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:24:15,114 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:24:15,114 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:24:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states. [2020-11-07 04:24:15,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:24:15,161 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:15,163 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:15,163 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:15,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:15,171 INFO L82 PathProgramCache]: Analyzing trace with hash -302652600, now seen corresponding path program 1 times [2020-11-07 04:24:15,181 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:15,182 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [405832734] [2020-11-07 04:24:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:15,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,035 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:16,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:16,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:16,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:16,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:16,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:16,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:24:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:24:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:24:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:16,284 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:16,284 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [405832734] [2020-11-07 04:24:16,287 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:16,287 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:24:16,288 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828606011] [2020-11-07 04:24:16,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:24:16,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:16,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:24:16,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:24:16,311 INFO L87 Difference]: Start difference. First operand 334 states. Second operand 4 states. [2020-11-07 04:24:18,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:18,002 INFO L93 Difference]: Finished difference Result 520 states and 611 transitions. [2020-11-07 04:24:18,003 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:24:18,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:24:18,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:18,023 INFO L225 Difference]: With dead ends: 520 [2020-11-07 04:24:18,023 INFO L226 Difference]: Without dead ends: 327 [2020-11-07 04:24:18,033 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:24:18,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2020-11-07 04:24:18,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 280. [2020-11-07 04:24:18,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 280 states. [2020-11-07 04:24:18,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 305 transitions. [2020-11-07 04:24:18,243 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 305 transitions. Word has length 166 [2020-11-07 04:24:18,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:18,245 INFO L481 AbstractCegarLoop]: Abstraction has 280 states and 305 transitions. [2020-11-07 04:24:18,245 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:24:18,245 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 305 transitions. [2020-11-07 04:24:18,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:24:18,250 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:18,251 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:18,251 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:24:18,251 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:18,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:18,252 INFO L82 PathProgramCache]: Analyzing trace with hash -263167836, now seen corresponding path program 1 times [2020-11-07 04:24:18,253 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:18,253 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [122051056] [2020-11-07 04:24:18,253 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,700 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:18,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:18,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:18,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:18,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:24:18,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:18,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:24:18,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:24:18,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:18,834 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [122051056] [2020-11-07 04:24:18,834 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:18,834 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:24:18,835 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [375917531] [2020-11-07 04:24:18,836 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:24:18,837 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:18,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:24:18,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:24:18,838 INFO L87 Difference]: Start difference. First operand 280 states and 305 transitions. Second operand 5 states. [2020-11-07 04:24:19,660 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:20,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:20,931 INFO L93 Difference]: Finished difference Result 440 states and 495 transitions. [2020-11-07 04:24:20,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:24:20,932 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:24:20,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:20,937 INFO L225 Difference]: With dead ends: 440 [2020-11-07 04:24:20,937 INFO L226 Difference]: Without dead ends: 316 [2020-11-07 04:24:20,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:24:20,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 316 states. [2020-11-07 04:24:21,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 316 to 270. [2020-11-07 04:24:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 270 states. [2020-11-07 04:24:21,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 270 states and 292 transitions. [2020-11-07 04:24:21,051 INFO L78 Accepts]: Start accepts. Automaton has 270 states and 292 transitions. Word has length 167 [2020-11-07 04:24:21,051 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:21,051 INFO L481 AbstractCegarLoop]: Abstraction has 270 states and 292 transitions. [2020-11-07 04:24:21,052 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:24:21,052 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 292 transitions. [2020-11-07 04:24:21,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2020-11-07 04:24:21,055 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:21,055 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] [2020-11-07 04:24:21,055 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:24:21,056 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:21,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:21,056 INFO L82 PathProgramCache]: Analyzing trace with hash -1009077739, now seen corresponding path program 1 times [2020-11-07 04:24:21,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:21,057 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [538430543] [2020-11-07 04:24:21,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,560 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:21,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:21,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:21,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:24:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-11-07 04:24:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:21,753 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:21,753 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [538430543] [2020-11-07 04:24:21,753 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:21,754 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:24:21,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167588512] [2020-11-07 04:24:21,755 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:24:21,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:21,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:24:21,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:24:21,756 INFO L87 Difference]: Start difference. First operand 270 states and 292 transitions. Second operand 10 states. [2020-11-07 04:24:22,358 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:22,780 WARN L194 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:23,084 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:23,416 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:23,755 WARN L194 SmtUtils]: Spent 301.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:24,061 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:25,368 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:27,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:27,652 INFO L93 Difference]: Finished difference Result 712 states and 817 transitions. [2020-11-07 04:24:27,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:24:27,652 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 176 [2020-11-07 04:24:27,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:27,659 INFO L225 Difference]: With dead ends: 712 [2020-11-07 04:24:27,659 INFO L226 Difference]: Without dead ends: 562 [2020-11-07 04:24:27,662 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 24 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=104, Invalid=238, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:24:27,663 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-11-07 04:24:27,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 491. [2020-11-07 04:24:27,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2020-11-07 04:24:27,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 551 transitions. [2020-11-07 04:24:27,947 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 551 transitions. Word has length 176 [2020-11-07 04:24:27,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:27,949 INFO L481 AbstractCegarLoop]: Abstraction has 491 states and 551 transitions. [2020-11-07 04:24:27,950 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:24:27,950 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 551 transitions. [2020-11-07 04:24:27,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2020-11-07 04:24:27,953 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:27,954 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:24:27,954 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:24:27,954 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:27,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:27,955 INFO L82 PathProgramCache]: Analyzing trace with hash 2063743210, now seen corresponding path program 1 times [2020-11-07 04:24:27,955 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:27,956 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [752400430] [2020-11-07 04:24:27,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,320 WARN L194 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:28,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:28,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:28,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:28,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:28,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:28,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:28,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-11-07 04:24:28,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:24:28,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 161 [2020-11-07 04:24:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 171 [2020-11-07 04:24:28,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-11-07 04:24:28,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [752400430] [2020-11-07 04:24:28,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:28,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:24:28,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266034436] [2020-11-07 04:24:28,531 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:24:28,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:28,532 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:24:28,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:24:28,533 INFO L87 Difference]: Start difference. First operand 491 states and 551 transitions. Second operand 10 states. [2020-11-07 04:24:29,226 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:30,075 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:30,365 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:31,584 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:31,905 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:32,274 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:32,660 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:32,929 WARN L194 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:33,223 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:34,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:34,087 INFO L93 Difference]: Finished difference Result 1119 states and 1340 transitions. [2020-11-07 04:24:34,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:24:34,090 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 185 [2020-11-07 04:24:34,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:34,096 INFO L225 Difference]: With dead ends: 1119 [2020-11-07 04:24:34,097 INFO L226 Difference]: Without dead ends: 748 [2020-11-07 04:24:34,099 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:24:34,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 748 states. [2020-11-07 04:24:34,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 748 to 659. [2020-11-07 04:24:34,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2020-11-07 04:24:34,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 743 transitions. [2020-11-07 04:24:34,417 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 743 transitions. Word has length 185 [2020-11-07 04:24:34,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:34,418 INFO L481 AbstractCegarLoop]: Abstraction has 659 states and 743 transitions. [2020-11-07 04:24:34,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:24:34,418 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 743 transitions. [2020-11-07 04:24:34,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-11-07 04:24:34,422 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:34,422 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] [2020-11-07 04:24:34,422 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:24:34,423 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:34,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:34,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1341688644, now seen corresponding path program 1 times [2020-11-07 04:24:34,424 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:34,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [376394143] [2020-11-07 04:24:34,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:34,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,747 WARN L194 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:34,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:34,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:34,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:34,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:24:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:34,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:34,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:34,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-11-07 04:24:34,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:34,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-11-07 04:24:34,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:35,060 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:35,060 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [376394143] [2020-11-07 04:24:35,061 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:35,061 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2020-11-07 04:24:35,061 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1725495129] [2020-11-07 04:24:35,062 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-11-07 04:24:35,062 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:35,063 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-11-07 04:24:35,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=131, Unknown=0, NotChecked=0, Total=156 [2020-11-07 04:24:35,063 INFO L87 Difference]: Start difference. First operand 659 states and 743 transitions. Second operand 13 states. [2020-11-07 04:24:35,731 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:36,037 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:36,344 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:36,659 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:36,958 WARN L194 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:38,056 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:38,353 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:38,659 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:38,991 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:39,304 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:40,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:40,635 INFO L93 Difference]: Finished difference Result 1339 states and 1599 transitions. [2020-11-07 04:24:40,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-11-07 04:24:40,636 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 214 [2020-11-07 04:24:40,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:40,643 INFO L225 Difference]: With dead ends: 1339 [2020-11-07 04:24:40,643 INFO L226 Difference]: Without dead ends: 800 [2020-11-07 04:24:40,646 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=110, Invalid=442, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:24:40,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-11-07 04:24:40,980 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 674. [2020-11-07 04:24:40,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 674 states. [2020-11-07 04:24:40,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 674 states and 759 transitions. [2020-11-07 04:24:40,988 INFO L78 Accepts]: Start accepts. Automaton has 674 states and 759 transitions. Word has length 214 [2020-11-07 04:24:40,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:40,989 INFO L481 AbstractCegarLoop]: Abstraction has 674 states and 759 transitions. [2020-11-07 04:24:40,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-11-07 04:24:40,989 INFO L276 IsEmpty]: Start isEmpty. Operand 674 states and 759 transitions. [2020-11-07 04:24:40,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-11-07 04:24:40,993 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:40,994 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] [2020-11-07 04:24:40,994 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:24:40,994 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:40,995 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:40,995 INFO L82 PathProgramCache]: Analyzing trace with hash -1755320036, now seen corresponding path program 1 times [2020-11-07 04:24:40,995 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:40,996 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1452577969] [2020-11-07 04:24:40,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:41,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,287 WARN L194 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:41,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:41,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:41,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:41,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:41,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:41,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:41,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:41,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:24:41,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:41,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:41,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:41,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:41,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-11-07 04:24:41,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-11-07 04:24:41,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:41,492 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1452577969] [2020-11-07 04:24:41,492 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:41,492 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-11-07 04:24:41,493 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193520749] [2020-11-07 04:24:41,493 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-11-07 04:24:41,494 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:41,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-11-07 04:24:41,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-11-07 04:24:41,494 INFO L87 Difference]: Start difference. First operand 674 states and 759 transitions. Second operand 10 states. [2020-11-07 04:24:42,975 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:43,326 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:24:43,648 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:24:43,973 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:44,287 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:24:44,593 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:24:45,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:45,622 INFO L93 Difference]: Finished difference Result 1360 states and 1600 transitions. [2020-11-07 04:24:45,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-11-07 04:24:45,622 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 214 [2020-11-07 04:24:45,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:45,630 INFO L225 Difference]: With dead ends: 1360 [2020-11-07 04:24:45,630 INFO L226 Difference]: Without dead ends: 806 [2020-11-07 04:24:45,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:24:45,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2020-11-07 04:24:45,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 690. [2020-11-07 04:24:45,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2020-11-07 04:24:45,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 775 transitions. [2020-11-07 04:24:45,999 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 775 transitions. Word has length 214 [2020-11-07 04:24:46,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:46,000 INFO L481 AbstractCegarLoop]: Abstraction has 690 states and 775 transitions. [2020-11-07 04:24:46,000 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-11-07 04:24:46,000 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 775 transitions. [2020-11-07 04:24:46,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-11-07 04:24:46,003 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:46,004 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] [2020-11-07 04:24:46,004 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:24:46,004 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:46,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:46,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1411206753, now seen corresponding path program 1 times [2020-11-07 04:24:46,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:46,005 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [547292338] [2020-11-07 04:24:46,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:46,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,271 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:46,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:46,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:46,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:24:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:46,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-11-07 04:24:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:46,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:46,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 190 [2020-11-07 04:24:46,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-11-07 04:24:46,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:46,477 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:46,478 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [547292338] [2020-11-07 04:24:46,478 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:46,478 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-11-07 04:24:46,479 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [383367011] [2020-11-07 04:24:46,479 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-11-07 04:24:46,479 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:46,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-11-07 04:24:46,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:24:46,480 INFO L87 Difference]: Start difference. First operand 690 states and 775 transitions. Second operand 7 states. [2020-11-07 04:24:46,969 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:47,623 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:50,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:24:50,193 INFO L93 Difference]: Finished difference Result 2061 states and 2470 transitions. [2020-11-07 04:24:50,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:24:50,193 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 214 [2020-11-07 04:24:50,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:24:50,206 INFO L225 Difference]: With dead ends: 2061 [2020-11-07 04:24:50,206 INFO L226 Difference]: Without dead ends: 1491 [2020-11-07 04:24:50,209 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 39 SyntacticMatches, 3 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:24:50,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2020-11-07 04:24:50,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1366. [2020-11-07 04:24:50,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1366 states. [2020-11-07 04:24:50,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1366 states and 1560 transitions. [2020-11-07 04:24:50,752 INFO L78 Accepts]: Start accepts. Automaton has 1366 states and 1560 transitions. Word has length 214 [2020-11-07 04:24:50,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:24:50,753 INFO L481 AbstractCegarLoop]: Abstraction has 1366 states and 1560 transitions. [2020-11-07 04:24:50,753 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-11-07 04:24:50,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1560 transitions. [2020-11-07 04:24:50,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2020-11-07 04:24:50,758 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:24:50,758 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] [2020-11-07 04:24:50,758 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:24:50,758 INFO L429 AbstractCegarLoop]: === Iteration 8 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:24:50,759 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:24:50,759 INFO L82 PathProgramCache]: Analyzing trace with hash -578365122, now seen corresponding path program 1 times [2020-11-07 04:24:50,759 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:24:50,759 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2058367595] [2020-11-07 04:24:50,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:24:50,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,160 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:24:51,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:51,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:24:51,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:24:51,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:24:51,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:24:51,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:24:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:24:51,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-11-07 04:24:51,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:24:51,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-11-07 04:24:51,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:24:51,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:24:51,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:24:51,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 195 [2020-11-07 04:24:51,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2020-11-07 04:24:51,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:24:51,418 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:24:51,419 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2058367595] [2020-11-07 04:24:51,419 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:24:51,419 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:24:51,420 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [632705920] [2020-11-07 04:24:51,420 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:24:51,420 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:24:51,421 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:24:51,421 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:24:51,421 INFO L87 Difference]: Start difference. First operand 1366 states and 1560 transitions. Second operand 14 states. [2020-11-07 04:24:52,286 WARN L194 SmtUtils]: Spent 522.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:24:53,201 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:24:54,467 WARN L194 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:24:55,009 WARN L194 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:24:55,414 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:55,728 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:56,255 WARN L194 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:24:56,588 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:24:56,926 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:24:57,264 WARN L194 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:00,002 WARN L194 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:25:00,660 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:00,963 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:01,394 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:02,530 WARN L194 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:25:03,087 WARN L194 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:25:03,647 WARN L194 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:25:04,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:04,441 INFO L93 Difference]: Finished difference Result 3904 states and 4692 transitions. [2020-11-07 04:25:04,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-11-07 04:25:04,442 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 219 [2020-11-07 04:25:04,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:04,461 INFO L225 Difference]: With dead ends: 3904 [2020-11-07 04:25:04,461 INFO L226 Difference]: Without dead ends: 2935 [2020-11-07 04:25:04,468 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 617 ImplicationChecksByTransitivity, 7.3s TimeCoverageRelationStatistics Valid=499, Invalid=1853, Unknown=0, NotChecked=0, Total=2352 [2020-11-07 04:25:04,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2935 states. [2020-11-07 04:25:05,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2935 to 2499. [2020-11-07 04:25:05,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2499 states. [2020-11-07 04:25:05,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2499 states to 2499 states and 2835 transitions. [2020-11-07 04:25:05,829 INFO L78 Accepts]: Start accepts. Automaton has 2499 states and 2835 transitions. Word has length 219 [2020-11-07 04:25:05,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:05,830 INFO L481 AbstractCegarLoop]: Abstraction has 2499 states and 2835 transitions. [2020-11-07 04:25:05,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:25:05,830 INFO L276 IsEmpty]: Start isEmpty. Operand 2499 states and 2835 transitions. [2020-11-07 04:25:05,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2020-11-07 04:25:05,837 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:05,837 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:05,838 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:25:05,838 INFO L429 AbstractCegarLoop]: === Iteration 9 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:25:05,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:05,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1140372569, now seen corresponding path program 1 times [2020-11-07 04:25:05,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:05,839 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2140514529] [2020-11-07 04:25:05,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:05,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,203 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:06,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:06,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:06,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:06,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:06,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:06,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:06,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:06,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:06,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:06,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:06,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:25:06,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:06,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:06,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:06,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:06,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:25:06,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:06,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 224 [2020-11-07 04:25:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:06,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-11-07 04:25:06,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 243 [2020-11-07 04:25:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:06,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:06,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:06,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 277 [2020-11-07 04:25:06,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 287 [2020-11-07 04:25:06,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:06,661 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 33 proven. 9 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2020-11-07 04:25:06,661 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2140514529] [2020-11-07 04:25:06,661 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:25:06,661 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:25:06,662 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1160174243] [2020-11-07 04:25:06,662 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:25:06,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:06,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:25:06,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:25:06,663 INFO L87 Difference]: Start difference. First operand 2499 states and 2835 transitions. Second operand 18 states. [2020-11-07 04:25:07,427 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:07,743 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:08,045 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:08,331 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:08,599 WARN L194 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:09,483 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:25:09,819 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:25:10,195 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:25:10,582 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:10,973 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:11,433 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:25:11,819 WARN L194 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:25:12,167 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:25:13,562 WARN L194 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:14,673 WARN L194 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:25:15,251 WARN L194 SmtUtils]: Spent 530.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:25:15,826 WARN L194 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:25:16,305 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:17,087 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:17,703 WARN L194 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:25:18,048 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:25:18,717 WARN L194 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:25:19,355 WARN L194 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:25:20,139 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2020-11-07 04:25:20,593 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:21,191 WARN L194 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:25:22,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:22,574 INFO L93 Difference]: Finished difference Result 5310 states and 6155 transitions. [2020-11-07 04:25:22,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-11-07 04:25:22,575 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 301 [2020-11-07 04:25:22,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:22,593 INFO L225 Difference]: With dead ends: 5310 [2020-11-07 04:25:22,593 INFO L226 Difference]: Without dead ends: 3193 [2020-11-07 04:25:22,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1430 ImplicationChecksByTransitivity, 10.5s TimeCoverageRelationStatistics Valid=934, Invalid=4322, Unknown=0, NotChecked=0, Total=5256 [2020-11-07 04:25:22,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3193 states. [2020-11-07 04:25:23,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3193 to 2905. [2020-11-07 04:25:23,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2905 states. [2020-11-07 04:25:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2905 states to 2905 states and 3244 transitions. [2020-11-07 04:25:23,985 INFO L78 Accepts]: Start accepts. Automaton has 2905 states and 3244 transitions. Word has length 301 [2020-11-07 04:25:23,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:23,986 INFO L481 AbstractCegarLoop]: Abstraction has 2905 states and 3244 transitions. [2020-11-07 04:25:23,986 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:25:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2905 states and 3244 transitions. [2020-11-07 04:25:24,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-11-07 04:25:24,006 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:24,007 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:24,007 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:25:24,008 INFO L429 AbstractCegarLoop]: === Iteration 10 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:25:24,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:24,008 INFO L82 PathProgramCache]: Analyzing trace with hash -564150096, now seen corresponding path program 1 times [2020-11-07 04:25:24,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:24,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2014070854] [2020-11-07 04:25:24,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:24,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,404 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:24,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:24,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:24,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:24,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:24,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:24,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:25:24,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:25:24,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:25:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:24,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:24,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:25:24,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2020-11-07 04:25:24,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:24,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:24,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:24,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:25:24,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 384 [2020-11-07 04:25:24,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 398 [2020-11-07 04:25:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:24,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:24,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 439 [2020-11-07 04:25:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-11-07 04:25:24,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:25,131 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 104 proven. 2 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2020-11-07 04:25:25,132 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2014070854] [2020-11-07 04:25:25,132 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:25:25,132 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-11-07 04:25:25,132 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608546822] [2020-11-07 04:25:25,133 INFO L461 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-11-07 04:25:25,133 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:25,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-11-07 04:25:25,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-11-07 04:25:25,134 INFO L87 Difference]: Start difference. First operand 2905 states and 3244 transitions. Second operand 16 states. [2020-11-07 04:25:25,723 WARN L194 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:26,852 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:30,661 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:30,969 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:31,336 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:31,644 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:31,944 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:32,252 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:32,537 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:32,847 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:33,156 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:33,471 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:33,816 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:34,129 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:34,706 WARN L194 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:25:35,026 WARN L194 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:35,571 WARN L194 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:25:35,902 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:36,258 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:25:36,624 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:25:39,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:39,080 INFO L93 Difference]: Finished difference Result 8291 states and 9428 transitions. [2020-11-07 04:25:39,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-11-07 04:25:39,081 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 463 [2020-11-07 04:25:39,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:39,111 INFO L225 Difference]: With dead ends: 8291 [2020-11-07 04:25:39,111 INFO L226 Difference]: Without dead ends: 5519 [2020-11-07 04:25:39,121 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 106 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 558 ImplicationChecksByTransitivity, 7.2s TimeCoverageRelationStatistics Valid=491, Invalid=1959, Unknown=0, NotChecked=0, Total=2450 [2020-11-07 04:25:39,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5519 states. [2020-11-07 04:25:41,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5519 to 5321. [2020-11-07 04:25:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5321 states. [2020-11-07 04:25:41,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5321 states to 5321 states and 5884 transitions. [2020-11-07 04:25:41,445 INFO L78 Accepts]: Start accepts. Automaton has 5321 states and 5884 transitions. Word has length 463 [2020-11-07 04:25:41,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:41,446 INFO L481 AbstractCegarLoop]: Abstraction has 5321 states and 5884 transitions. [2020-11-07 04:25:41,446 INFO L482 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-11-07 04:25:41,446 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 5884 transitions. [2020-11-07 04:25:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-11-07 04:25:41,465 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:41,465 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:41,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:25:41,466 INFO L429 AbstractCegarLoop]: === Iteration 11 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:25:41,466 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:41,466 INFO L82 PathProgramCache]: Analyzing trace with hash 80487429, now seen corresponding path program 1 times [2020-11-07 04:25:41,466 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:41,467 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1823369865] [2020-11-07 04:25:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:41,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,801 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:41,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:41,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:41,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:41,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:25:41,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:25:41,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:41,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:41,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:25:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:41,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:25:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:41,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2020-11-07 04:25:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:42,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:42,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:42,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:42,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:42,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:25:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:42,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-11-07 04:25:42,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:42,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:25:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:42,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:25:42,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:25:42,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-11-07 04:25:42,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-11-07 04:25:42,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:42,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:25:42,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-11-07 04:25:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:42,582 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 111 proven. 20 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2020-11-07 04:25:42,582 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1823369865] [2020-11-07 04:25:42,582 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:25:42,582 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-11-07 04:25:42,583 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952465796] [2020-11-07 04:25:42,583 INFO L461 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-11-07 04:25:42,584 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:42,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-11-07 04:25:42,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=410, Unknown=0, NotChecked=0, Total=462 [2020-11-07 04:25:42,584 INFO L87 Difference]: Start difference. First operand 5321 states and 5884 transitions. Second operand 22 states. [2020-11-07 04:25:43,183 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:43,582 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:43,881 WARN L194 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:25:44,184 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:44,480 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:44,765 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:45,739 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:50,284 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:50,627 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:50,997 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:51,344 WARN L194 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:51,760 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:52,124 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:52,478 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:52,823 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:53,134 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:53,488 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:53,798 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:54,130 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:54,719 WARN L194 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:25:55,317 WARN L194 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:25:55,931 WARN L194 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:25:58,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:58,743 INFO L93 Difference]: Finished difference Result 10329 states and 11679 transitions. [2020-11-07 04:25:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-07 04:25:58,743 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 468 [2020-11-07 04:25:58,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:58,777 INFO L225 Difference]: With dead ends: 10329 [2020-11-07 04:25:58,778 INFO L226 Difference]: Without dead ends: 5693 [2020-11-07 04:25:58,792 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 107 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1153 ImplicationChecksByTransitivity, 8.6s TimeCoverageRelationStatistics Valid=895, Invalid=3797, Unknown=0, NotChecked=0, Total=4692 [2020-11-07 04:25:58,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5693 states. [2020-11-07 04:26:00,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5693 to 5033. [2020-11-07 04:26:00,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5033 states. [2020-11-07 04:26:00,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5033 states to 5033 states and 5556 transitions. [2020-11-07 04:26:00,932 INFO L78 Accepts]: Start accepts. Automaton has 5033 states and 5556 transitions. Word has length 468 [2020-11-07 04:26:00,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:00,933 INFO L481 AbstractCegarLoop]: Abstraction has 5033 states and 5556 transitions. [2020-11-07 04:26:00,933 INFO L482 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-11-07 04:26:00,933 INFO L276 IsEmpty]: Start isEmpty. Operand 5033 states and 5556 transitions. [2020-11-07 04:26:00,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 469 [2020-11-07 04:26:00,951 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:00,951 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:00,951 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:26:00,952 INFO L429 AbstractCegarLoop]: === Iteration 12 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:26:00,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:00,952 INFO L82 PathProgramCache]: Analyzing trace with hash -488458983, now seen corresponding path program 2 times [2020-11-07 04:26:00,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:00,953 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [359250065] [2020-11-07 04:26:00,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:00,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,278 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:01,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:01,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:01,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:01,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:01,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:01,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:01,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:01,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:01,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:01,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:01,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:01,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:26:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:01,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:01,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:01,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 301 [2020-11-07 04:26:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-11-07 04:26:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:01,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:01,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:01,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 389 [2020-11-07 04:26:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:01,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-11-07 04:26:01,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:01,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:26:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 454 [2020-11-07 04:26:01,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:01,915 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 119 proven. 38 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2020-11-07 04:26:01,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [359250065] [2020-11-07 04:26:01,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:01,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:26:01,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741078701] [2020-11-07 04:26:01,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:26:01,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:01,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:26:01,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=227, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:26:01,918 INFO L87 Difference]: Start difference. First operand 5033 states and 5556 transitions. Second operand 17 states. [2020-11-07 04:26:03,680 WARN L194 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:03,975 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:04,294 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:04,621 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:04,910 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:05,245 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:06,645 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:06,971 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:12,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:12,285 INFO L93 Difference]: Finished difference Result 14604 states and 16920 transitions. [2020-11-07 04:26:12,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-11-07 04:26:12,286 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 468 [2020-11-07 04:26:12,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:12,348 INFO L225 Difference]: With dead ends: 14604 [2020-11-07 04:26:12,348 INFO L226 Difference]: Without dead ends: 8753 [2020-11-07 04:26:12,369 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 108 SyntacticMatches, 6 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 517 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=486, Invalid=1676, Unknown=0, NotChecked=0, Total=2162 [2020-11-07 04:26:12,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8753 states. [2020-11-07 04:26:15,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8753 to 6817. [2020-11-07 04:26:15,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6817 states. [2020-11-07 04:26:15,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6817 states to 6817 states and 7656 transitions. [2020-11-07 04:26:15,593 INFO L78 Accepts]: Start accepts. Automaton has 6817 states and 7656 transitions. Word has length 468 [2020-11-07 04:26:15,594 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:15,594 INFO L481 AbstractCegarLoop]: Abstraction has 6817 states and 7656 transitions. [2020-11-07 04:26:15,594 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:26:15,594 INFO L276 IsEmpty]: Start isEmpty. Operand 6817 states and 7656 transitions. [2020-11-07 04:26:15,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2020-11-07 04:26:15,615 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:15,615 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, 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, 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] [2020-11-07 04:26:15,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:26:15,615 INFO L429 AbstractCegarLoop]: === Iteration 13 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:26:15,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:15,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1580353924, now seen corresponding path program 1 times [2020-11-07 04:26:15,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:15,616 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195380166] [2020-11-07 04:26:15,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:15,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,081 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:16,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:16,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:16,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:16,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:16,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:26:16,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:16,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 311 [2020-11-07 04:26:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-11-07 04:26:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:16,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:16,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:16,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:16,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 390 [2020-11-07 04:26:16,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 403 [2020-11-07 04:26:16,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:16,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-11-07 04:26:16,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:16,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:16,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:26:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 468 [2020-11-07 04:26:16,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:16,677 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 129 proven. 39 refuted. 0 times theorem prover too weak. 244 trivial. 0 not checked. [2020-11-07 04:26:16,677 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195380166] [2020-11-07 04:26:16,677 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:16,678 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:26:16,678 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456316856] [2020-11-07 04:26:16,679 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:26:16,679 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:16,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:26:16,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=298, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:26:16,680 INFO L87 Difference]: Start difference. First operand 6817 states and 7656 transitions. Second operand 19 states. [2020-11-07 04:26:17,269 WARN L194 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:17,662 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:17,965 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:18,262 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:18,555 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:26:18,836 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:19,767 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:20,120 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:21,755 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:22,296 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:22,619 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:22,917 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:23,666 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:24,093 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:25,275 WARN L194 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:25,588 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:25,870 WARN L194 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:29,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:29,037 INFO L93 Difference]: Finished difference Result 13695 states and 15783 transitions. [2020-11-07 04:26:29,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-11-07 04:26:29,041 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 482 [2020-11-07 04:26:29,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:29,072 INFO L225 Difference]: With dead ends: 13695 [2020-11-07 04:26:29,073 INFO L226 Difference]: Without dead ends: 7563 [2020-11-07 04:26:29,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 701 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=582, Invalid=2388, Unknown=0, NotChecked=0, Total=2970 [2020-11-07 04:26:29,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7563 states. [2020-11-07 04:26:32,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7563 to 6629. [2020-11-07 04:26:32,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6629 states. [2020-11-07 04:26:32,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6629 states to 6629 states and 7400 transitions. [2020-11-07 04:26:32,054 INFO L78 Accepts]: Start accepts. Automaton has 6629 states and 7400 transitions. Word has length 482 [2020-11-07 04:26:32,056 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:32,056 INFO L481 AbstractCegarLoop]: Abstraction has 6629 states and 7400 transitions. [2020-11-07 04:26:32,056 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:26:32,056 INFO L276 IsEmpty]: Start isEmpty. Operand 6629 states and 7400 transitions. [2020-11-07 04:26:32,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 484 [2020-11-07 04:26:32,073 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:32,073 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, 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, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:32,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:26:32,074 INFO L429 AbstractCegarLoop]: === Iteration 14 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:26:32,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:32,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1248493124, now seen corresponding path program 1 times [2020-11-07 04:26:32,074 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:32,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [524688951] [2020-11-07 04:26:32,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:32,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,445 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:32,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:32,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:32,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:32,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:32,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:32,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:32,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:32,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:32,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:32,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:26:32,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:32,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:32,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:32,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:32,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-11-07 04:26:32,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:26:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:32,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:32,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:32,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:32,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:32,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-11-07 04:26:32,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 404 [2020-11-07 04:26:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:32,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-11-07 04:26:32,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:32,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-11-07 04:26:32,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:32,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 469 [2020-11-07 04:26:32,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:33,136 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 139 proven. 36 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2020-11-07 04:26:33,136 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [524688951] [2020-11-07 04:26:33,136 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:33,137 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:26:33,137 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [557215005] [2020-11-07 04:26:33,138 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:26:33,138 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:33,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:26:33,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=259, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:26:33,139 INFO L87 Difference]: Start difference. First operand 6629 states and 7400 transitions. Second operand 18 states. [2020-11-07 04:26:33,760 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:35,531 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:35,869 WARN L194 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:36,529 WARN L194 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:26:37,132 WARN L194 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:26:37,414 WARN L194 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:37,963 WARN L194 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:26:38,262 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:38,641 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:38,997 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:39,383 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:39,694 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:41,185 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:41,510 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:47,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:47,914 INFO L93 Difference]: Finished difference Result 13910 states and 16179 transitions. [2020-11-07 04:26:47,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-11-07 04:26:47,915 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 483 [2020-11-07 04:26:47,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:47,958 INFO L225 Difference]: With dead ends: 13910 [2020-11-07 04:26:47,958 INFO L226 Difference]: Without dead ends: 9898 [2020-11-07 04:26:47,976 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 192 GetRequests, 124 SyntacticMatches, 8 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1025 ImplicationChecksByTransitivity, 5.9s TimeCoverageRelationStatistics Valid=719, Invalid=3063, Unknown=0, NotChecked=0, Total=3782 [2020-11-07 04:26:47,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9898 states. [2020-11-07 04:26:51,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9898 to 7878. [2020-11-07 04:26:51,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7878 states. [2020-11-07 04:26:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7878 states to 7878 states and 8759 transitions. [2020-11-07 04:26:51,486 INFO L78 Accepts]: Start accepts. Automaton has 7878 states and 8759 transitions. Word has length 483 [2020-11-07 04:26:51,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:51,487 INFO L481 AbstractCegarLoop]: Abstraction has 7878 states and 8759 transitions. [2020-11-07 04:26:51,487 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:26:51,487 INFO L276 IsEmpty]: Start isEmpty. Operand 7878 states and 8759 transitions. [2020-11-07 04:26:51,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2020-11-07 04:26:51,504 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:51,504 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, 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, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:51,505 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:26:51,505 INFO L429 AbstractCegarLoop]: === Iteration 15 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:26:51,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:51,505 INFO L82 PathProgramCache]: Analyzing trace with hash 712339044, now seen corresponding path program 1 times [2020-11-07 04:26:51,506 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:51,506 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [821276888] [2020-11-07 04:26:51,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,876 WARN L194 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:51,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:51,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:51,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:51,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:51,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:51,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:51,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:51,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:51,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:26:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:26:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:52,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:52,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:52,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-11-07 04:26:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:26:52,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:52,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:52,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:52,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:52,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:52,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:26:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-11-07 04:26:52,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 415 [2020-11-07 04:26:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:52,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-11-07 04:26:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:52,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:52,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:52,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 470 [2020-11-07 04:26:52,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 480 [2020-11-07 04:26:52,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:52,538 INFO L134 CoverageAnalysis]: Checked inductivity of 454 backedges. 129 proven. 64 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2020-11-07 04:26:52,538 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [821276888] [2020-11-07 04:26:52,538 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:52,539 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:26:52,539 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086674595] [2020-11-07 04:26:52,540 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:26:52,540 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:52,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:26:52,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:26:52,540 INFO L87 Difference]: Start difference. First operand 7878 states and 8759 transitions. Second operand 18 states. [2020-11-07 04:26:53,327 WARN L194 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:55,211 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:55,548 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:56,179 WARN L194 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:26:56,451 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:57,075 WARN L194 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:26:57,363 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:58,036 WARN L194 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:26:58,356 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:58,769 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:59,172 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:26:59,531 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:59,853 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:00,960 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:01,307 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:02,062 WARN L194 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:27:02,876 WARN L194 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:27:03,463 WARN L194 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:27:04,147 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:04,473 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:07,279 WARN L194 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:08,269 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:08,601 WARN L194 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:09,178 WARN L194 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:09,773 WARN L194 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:27:10,327 WARN L194 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:17,889 INFO L93 Difference]: Finished difference Result 18093 states and 21171 transitions. [2020-11-07 04:27:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2020-11-07 04:27:17,889 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 494 [2020-11-07 04:27:17,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:17,944 INFO L225 Difference]: With dead ends: 18093 [2020-11-07 04:27:17,944 INFO L226 Difference]: Without dead ends: 13361 [2020-11-07 04:27:17,964 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 147 SyntacticMatches, 7 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3019 ImplicationChecksByTransitivity, 11.9s TimeCoverageRelationStatistics Valid=1590, Invalid=7530, Unknown=0, NotChecked=0, Total=9120 [2020-11-07 04:27:17,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13361 states. [2020-11-07 04:27:22,431 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13361 to 9570. [2020-11-07 04:27:22,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9570 states. [2020-11-07 04:27:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9570 states to 9570 states and 10597 transitions. [2020-11-07 04:27:22,459 INFO L78 Accepts]: Start accepts. Automaton has 9570 states and 10597 transitions. Word has length 494 [2020-11-07 04:27:22,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:22,461 INFO L481 AbstractCegarLoop]: Abstraction has 9570 states and 10597 transitions. [2020-11-07 04:27:22,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:27:22,461 INFO L276 IsEmpty]: Start isEmpty. Operand 9570 states and 10597 transitions. [2020-11-07 04:27:22,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2020-11-07 04:27:22,493 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:22,494 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:22,494 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:27:22,494 INFO L429 AbstractCegarLoop]: === Iteration 16 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:22,495 INFO L82 PathProgramCache]: Analyzing trace with hash 243647559, now seen corresponding path program 1 times [2020-11-07 04:27:22,495 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:22,495 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [834485644] [2020-11-07 04:27:22,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,832 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:22,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:22,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:27:22,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:27:22,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:22,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:22,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:22,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:22,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:22,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:27:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:22,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:27:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:22,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:22,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:22,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:22,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:22,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-11-07 04:27:22,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 330 [2020-11-07 04:27:22,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:22,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:22,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:22,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:22,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:23,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:23,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:23,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 408 [2020-11-07 04:27:23,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-11-07 04:27:23,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:23,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:23,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:23,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:23,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:23,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:23,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 497 [2020-11-07 04:27:23,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 511 [2020-11-07 04:27:23,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:23,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2020-11-07 04:27:23,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:23,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:23,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:23,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:23,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-11-07 04:27:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 576 [2020-11-07 04:27:23,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:23,351 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 121 proven. 12 refuted. 0 times theorem prover too weak. 608 trivial. 0 not checked. [2020-11-07 04:27:23,351 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [834485644] [2020-11-07 04:27:23,353 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:23,354 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-11-07 04:27:23,354 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1014221969] [2020-11-07 04:27:23,355 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:27:23,355 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:23,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:27:23,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:27:23,356 INFO L87 Difference]: Start difference. First operand 9570 states and 10597 transitions. Second operand 11 states. [2020-11-07 04:27:23,941 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:24,829 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:29,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:29,721 INFO L93 Difference]: Finished difference Result 11858 states and 13425 transitions. [2020-11-07 04:27:29,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-11-07 04:27:29,722 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 590 [2020-11-07 04:27:29,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:29,737 INFO L225 Difference]: With dead ends: 11858 [2020-11-07 04:27:29,738 INFO L226 Difference]: Without dead ends: 4423 [2020-11-07 04:27:29,758 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 369 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=291, Invalid=1115, Unknown=0, NotChecked=0, Total=1406 [2020-11-07 04:27:29,762 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4423 states. [2020-11-07 04:27:31,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4423 to 3965. [2020-11-07 04:27:31,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3965 states. [2020-11-07 04:27:31,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3965 states to 3965 states and 4282 transitions. [2020-11-07 04:27:31,782 INFO L78 Accepts]: Start accepts. Automaton has 3965 states and 4282 transitions. Word has length 590 [2020-11-07 04:27:31,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:31,782 INFO L481 AbstractCegarLoop]: Abstraction has 3965 states and 4282 transitions. [2020-11-07 04:27:31,782 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:27:31,782 INFO L276 IsEmpty]: Start isEmpty. Operand 3965 states and 4282 transitions. [2020-11-07 04:27:31,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 582 [2020-11-07 04:27:31,793 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:31,794 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:31,794 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:27:31,794 INFO L429 AbstractCegarLoop]: === Iteration 17 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:27:31,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:31,795 INFO L82 PathProgramCache]: Analyzing trace with hash 149698081, now seen corresponding path program 2 times [2020-11-07 04:27:31,795 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:31,795 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1252023072] [2020-11-07 04:27:31,795 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:31,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,147 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:32,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:32,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:32,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:32,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:32,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:32,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:32,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:27:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:27:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:32,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:32,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:32,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:32,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-11-07 04:27:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:27:32,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:32,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:32,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:32,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:32,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:32,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:32,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-11-07 04:27:32,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-11-07 04:27:32,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:32,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:32,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:32,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2020-11-07 04:27:32,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-11-07 04:27:32,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 516 [2020-11-07 04:27:32,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:32,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:32,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:32,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 557 [2020-11-07 04:27:32,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2020-11-07 04:27:32,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:32,917 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 214 proven. 66 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2020-11-07 04:27:32,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1252023072] [2020-11-07 04:27:32,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:32,918 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:27:32,918 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585693371] [2020-11-07 04:27:32,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:27:32,919 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:32,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:27:32,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:27:32,919 INFO L87 Difference]: Start difference. First operand 3965 states and 4282 transitions. Second operand 19 states. [2020-11-07 04:27:33,520 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:34,544 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:35,373 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:36,269 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:36,606 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:37,170 WARN L194 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:27:37,753 WARN L194 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:27:38,043 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:38,593 WARN L194 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:27:38,901 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:42,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:42,825 INFO L93 Difference]: Finished difference Result 6954 states and 7673 transitions. [2020-11-07 04:27:42,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-11-07 04:27:42,826 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 581 [2020-11-07 04:27:42,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:42,843 INFO L225 Difference]: With dead ends: 6954 [2020-11-07 04:27:42,843 INFO L226 Difference]: Without dead ends: 4382 [2020-11-07 04:27:42,852 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 148 SyntacticMatches, 10 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 817 ImplicationChecksByTransitivity, 4.7s TimeCoverageRelationStatistics Valid=622, Invalid=2348, Unknown=0, NotChecked=0, Total=2970 [2020-11-07 04:27:42,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4382 states. [2020-11-07 04:27:44,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4382 to 3766. [2020-11-07 04:27:44,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3766 states. [2020-11-07 04:27:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3766 states to 3766 states and 4031 transitions. [2020-11-07 04:27:44,896 INFO L78 Accepts]: Start accepts. Automaton has 3766 states and 4031 transitions. Word has length 581 [2020-11-07 04:27:44,896 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:44,896 INFO L481 AbstractCegarLoop]: Abstraction has 3766 states and 4031 transitions. [2020-11-07 04:27:44,896 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:27:44,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3766 states and 4031 transitions. [2020-11-07 04:27:44,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-11-07 04:27:44,904 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:44,905 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:44,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:27:44,905 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]=== [2020-11-07 04:27:44,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:44,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1992063199, now seen corresponding path program 2 times [2020-11-07 04:27:44,906 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:44,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [194369060] [2020-11-07 04:27:44,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:44,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,280 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:45,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:45,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:45,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:27:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:27:45,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:45,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:45,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:45,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:45,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:45,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 308 [2020-11-07 04:27:45,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:27:45,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:45,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:45,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:45,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:45,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 410 [2020-11-07 04:27:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 419 [2020-11-07 04:27:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:45,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:45,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-11-07 04:27:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-11-07 04:27:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-11-07 04:27:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:45,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-11-07 04:27:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:45,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-11-07 04:27:45,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 798 backedges. 195 proven. 97 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2020-11-07 04:27:46,128 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [194369060] [2020-11-07 04:27:46,128 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:46,129 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:27:46,129 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171574277] [2020-11-07 04:27:46,129 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:27:46,130 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:46,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:27:46,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=288, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:27:46,130 INFO L87 Difference]: Start difference. First operand 3766 states and 4031 transitions. Second operand 19 states. [2020-11-07 04:27:46,760 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:47,732 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:48,633 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:49,519 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:49,878 WARN L194 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:50,485 WARN L194 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:27:51,122 WARN L194 SmtUtils]: Spent 576.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:27:51,420 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:52,053 WARN L194 SmtUtils]: Spent 598.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:27:52,352 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:54,674 WARN L194 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:55,301 WARN L194 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:55,609 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:56,170 WARN L194 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:56,756 WARN L194 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:27:57,306 WARN L194 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:28:00,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:00,781 INFO L93 Difference]: Finished difference Result 7407 states and 8134 transitions. [2020-11-07 04:28:00,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-11-07 04:28:00,782 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 592 [2020-11-07 04:28:00,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:00,799 INFO L225 Difference]: With dead ends: 7407 [2020-11-07 04:28:00,799 INFO L226 Difference]: Without dead ends: 5034 [2020-11-07 04:28:00,808 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 163 SyntacticMatches, 9 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1630 ImplicationChecksByTransitivity, 7.6s TimeCoverageRelationStatistics Valid=1131, Invalid=4271, Unknown=0, NotChecked=0, Total=5402 [2020-11-07 04:28:00,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5034 states. [2020-11-07 04:28:02,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5034 to 4237. [2020-11-07 04:28:02,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4237 states. [2020-11-07 04:28:02,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4237 states to 4237 states and 4531 transitions. [2020-11-07 04:28:02,980 INFO L78 Accepts]: Start accepts. Automaton has 4237 states and 4531 transitions. Word has length 592 [2020-11-07 04:28:02,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:02,981 INFO L481 AbstractCegarLoop]: Abstraction has 4237 states and 4531 transitions. [2020-11-07 04:28:02,981 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:28:02,981 INFO L276 IsEmpty]: Start isEmpty. Operand 4237 states and 4531 transitions. [2020-11-07 04:28:02,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2020-11-07 04:28:02,989 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:02,990 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:02,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:28:02,990 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]=== [2020-11-07 04:28:02,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:02,990 INFO L82 PathProgramCache]: Analyzing trace with hash 1886705193, now seen corresponding path program 1 times [2020-11-07 04:28:02,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:02,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1557330899] [2020-11-07 04:28:02,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,558 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:03,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:03,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:03,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:03,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:03,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:03,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:03,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-11-07 04:28:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 223 [2020-11-07 04:28:03,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:03,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:03,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:03,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:03,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:03,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:03,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:03,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:03,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 312 [2020-11-07 04:28:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 321 [2020-11-07 04:28:03,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:03,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:03,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:03,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:28:03,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:03,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:03,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 401 [2020-11-07 04:28:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 414 [2020-11-07 04:28:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:04,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:04,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:04,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:28:04,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:04,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:04,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-11-07 04:28:04,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-11-07 04:28:04,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:04,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 527 [2020-11-07 04:28:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:04,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:04,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:04,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-11-07 04:28:04,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 578 [2020-11-07 04:28:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:04,421 INFO L134 CoverageAnalysis]: Checked inductivity of 792 backedges. 187 proven. 144 refuted. 0 times theorem prover too weak. 461 trivial. 0 not checked. [2020-11-07 04:28:04,421 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1557330899] [2020-11-07 04:28:04,422 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:28:04,422 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-11-07 04:28:04,422 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1143838450] [2020-11-07 04:28:04,423 INFO L461 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-11-07 04:28:04,423 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:04,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-11-07 04:28:04,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=490, Unknown=0, NotChecked=0, Total=552 [2020-11-07 04:28:04,424 INFO L87 Difference]: Start difference. First operand 4237 states and 4531 transitions. Second operand 24 states. [2020-11-07 04:28:05,314 WARN L194 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-11-07 04:28:06,718 WARN L194 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-11-07 04:28:09,066 WARN L194 SmtUtils]: Spent 632.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:28:09,716 WARN L194 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:28:10,348 WARN L194 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:28:10,990 WARN L194 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:28:11,557 WARN L194 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-11-07 04:28:12,135 WARN L194 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:28:12,717 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-11-07 04:28:13,299 WARN L194 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:28:13,864 WARN L194 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:28:14,402 WARN L194 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:28:16,941 WARN L194 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-11-07 04:28:18,038 WARN L194 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:28:18,667 WARN L194 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-11-07 04:28:19,288 WARN L194 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:28:19,942 WARN L194 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-11-07 04:28:20,544 WARN L194 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:28:24,109 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:24,109 INFO L93 Difference]: Finished difference Result 7182 states and 7790 transitions. [2020-11-07 04:28:24,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-11-07 04:28:24,110 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 592 [2020-11-07 04:28:24,111 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:24,113 INFO L225 Difference]: With dead ends: 7182 [2020-11-07 04:28:24,113 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:28:24,127 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 151 SyntacticMatches, 11 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1544 ImplicationChecksByTransitivity, 12.0s TimeCoverageRelationStatistics Valid=801, Invalid=4749, Unknown=0, NotChecked=0, Total=5550 [2020-11-07 04:28:24,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:28:24,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:28:24,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:28:24,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:28:24,129 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 592 [2020-11-07 04:28:24,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:24,129 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:28:24,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-11-07 04:28:24,129 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:28:24,129 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:28:24,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-07 04:28:24,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:28:24,637 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-11-07 04:28:29,191 WARN L194 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-11-07 04:28:29,651 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:28:29,844 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:28:31,510 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 259 [2020-11-07 04:28:31,780 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 229 [2020-11-07 04:28:32,012 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 257 [2020-11-07 04:28:33,323 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 249 [2020-11-07 04:28:35,895 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 253 [2020-11-07 04:28:38,547 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 247 [2020-11-07 04:28:39,115 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-11-07 04:28:39,715 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:28:40,559 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 252 [2020-11-07 04:28:41,126 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2020-11-07 04:28:41,531 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 259 [2020-11-07 04:28:42,932 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-11-07 04:28:43,602 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 252 [2020-11-07 04:28:44,429 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-11-07 04:28:45,037 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:28:46,272 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2020-11-07 04:28:46,682 WARN L194 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 259 [2020-11-07 04:28:48,084 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 228 [2020-11-07 04:28:48,270 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 247 [2020-11-07 04:28:50,756 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 249 [2020-11-07 04:28:56,575 WARN L194 SmtUtils]: Spent 4.38 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-11-07 04:28:57,283 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-11-07 04:28:59,313 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-11-07 04:29:00,187 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:29:00,402 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:29:00,943 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-11-07 04:29:01,114 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-11-07 04:29:03,722 WARN L194 SmtUtils]: Spent 2.28 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-11-07 04:29:04,632 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:29:05,147 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-11-07 04:29:06,925 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-11-07 04:29:07,741 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-11-07 04:29:08,107 WARN L194 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 281 [2020-11-07 04:29:08,384 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 283 [2020-11-07 04:29:08,991 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 243 [2020-11-07 04:29:09,101 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-11-07 04:29:09,220 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-11-07 04:29:09,494 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 252 [2020-11-07 04:29:10,098 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 252 [2020-11-07 04:29:12,022 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 252 [2020-11-07 04:29:12,611 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 252 [2020-11-07 04:29:17,541 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-11-07 04:29:18,550 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:29:18,874 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:29:24,384 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 220 [2020-11-07 04:29:24,951 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-11-07 04:29:25,457 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 276 [2020-11-07 04:29:25,666 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 276 [2020-11-07 04:29:30,452 WARN L194 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-11-07 04:29:36,172 WARN L194 SmtUtils]: Spent 5.70 s on a formula simplification. DAG size of input: 1198 DAG size of output: 802 [2020-11-07 04:29:36,495 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 277 [2020-11-07 04:29:36,758 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 280 [2020-11-07 04:29:38,868 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-11-07 04:29:40,730 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-11-07 04:29:41,598 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:29:41,813 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:29:42,303 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-11-07 04:29:42,475 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-11-07 04:29:53,177 WARN L194 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-11-07 04:29:54,344 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:29:54,527 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:29:58,645 WARN L194 SmtUtils]: Spent 3.67 s on a formula simplification. DAG size of input: 944 DAG size of output: 657 [2020-11-07 04:29:59,976 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 252 [2020-11-07 04:30:00,560 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2020-11-07 04:30:02,207 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 276 [2020-11-07 04:30:02,496 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 282 [2020-11-07 04:30:03,139 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 276 [2020-11-07 04:30:03,417 WARN L194 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 282 [2020-11-07 04:30:04,382 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:30:04,654 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 274 [2020-11-07 04:30:04,922 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 262 [2020-11-07 04:30:05,733 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-11-07 04:30:06,009 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-11-07 04:30:06,161 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-11-07 04:30:06,387 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:30:06,562 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:30:06,749 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:30:07,107 WARN L194 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:30:07,449 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:30:08,077 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-11-07 04:30:08,473 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-11-07 04:30:08,859 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-11-07 04:30:09,264 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-11-07 04:30:10,232 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:30:10,446 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:30:10,558 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-11-07 04:30:11,069 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-11-07 04:30:11,229 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-11-07 04:30:11,572 WARN L194 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 278 [2020-11-07 04:30:11,846 WARN L194 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 283 [2020-11-07 04:30:13,334 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-11-07 04:30:13,505 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 274 [2020-11-07 04:30:14,441 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 220 [2020-11-07 04:30:15,018 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-11-07 04:30:15,177 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-11-07 04:30:16,157 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:30:16,483 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:30:17,410 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:30:17,598 WARN L194 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 274 [2020-11-07 04:30:19,432 WARN L194 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:30:20,121 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:30:21,323 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 274 [2020-11-07 04:30:21,493 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 274 [2020-11-07 04:30:26,001 WARN L194 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 944 DAG size of output: 657 [2020-11-07 04:30:28,209 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-11-07 04:30:28,452 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 220 [2020-11-07 04:30:29,506 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-11-07 04:30:29,751 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 227 [2020-11-07 04:30:30,615 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-11-07 04:30:30,971 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-11-07 04:30:31,079 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-11-07 04:30:31,274 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-11-07 04:30:31,426 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-11-07 04:30:31,634 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-11-07 04:30:31,814 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-11-07 04:30:32,045 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 218 [2020-11-07 04:30:32,252 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-07 04:30:32,955 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-11-07 04:30:33,351 WARN L194 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-07 04:30:33,823 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 228 [2020-11-07 04:30:33,963 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 224 [2020-11-07 04:30:34,296 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:30:34,985 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:30:35,736 WARN L194 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:30:36,417 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:30:36,984 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 276 [2020-11-07 04:30:37,198 WARN L194 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 276 [2020-11-07 04:30:42,373 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-11-07 04:30:44,487 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 263 [2020-11-07 04:30:45,598 WARN L194 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 275 [2020-11-07 04:30:45,855 WARN L194 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 276 [2020-11-07 04:30:46,394 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 236 [2020-11-07 04:30:46,602 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 236 [2020-11-07 04:30:51,020 WARN L194 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 800 DAG size of output: 558 [2020-11-07 04:30:51,618 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:30:51,885 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:30:52,851 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:30:53,033 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:30:54,207 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-11-07 04:30:54,424 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 253 [2020-11-07 04:30:54,588 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-11-07 04:30:54,943 WARN L194 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 263 [2020-11-07 04:30:55,114 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 264 [2020-11-07 04:30:57,740 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:30:58,175 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:30:58,372 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:30:58,832 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:31:02,634 WARN L194 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 939 DAG size of output: 678 [2020-11-07 04:31:02,861 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:31:03,540 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:31:06,040 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2020-11-07 04:31:06,599 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 264 [2020-11-07 04:31:15,355 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 263 [2020-11-07 04:31:15,456 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 255 [2020-11-07 04:31:15,609 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-11-07 04:31:15,778 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 262 [2020-11-07 04:31:15,885 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 258 [2020-11-07 04:31:16,152 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 259 [2020-11-07 04:31:16,376 WARN L194 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 263 [2020-11-07 04:31:16,480 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 252 [2020-11-07 04:31:16,666 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 259 [2020-11-07 04:31:16,853 WARN L194 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-11-07 04:31:22,131 WARN L194 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-11-07 04:31:26,422 WARN L194 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-11-07 04:31:33,566 WARN L194 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-11-07 04:31:38,613 WARN L194 SmtUtils]: Spent 4.29 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-11-07 04:31:40,447 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:31:40,927 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:31:41,105 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:31:41,299 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:31:41,475 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:31:42,063 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:31:43,450 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 266 [2020-11-07 04:31:43,624 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 260 [2020-11-07 04:31:43,908 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 260 [2020-11-07 04:31:44,186 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-11-07 04:31:44,410 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 242 [2020-11-07 04:31:44,565 WARN L194 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 261 [2020-11-07 04:31:45,186 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 263 [2020-11-07 04:31:45,366 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 238 [2020-11-07 04:31:45,712 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-11-07 04:31:45,994 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 238 [2020-11-07 04:31:46,174 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-11-07 04:31:46,434 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-11-07 04:31:46,669 WARN L194 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 238 [2020-11-07 04:31:47,014 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-11-07 04:31:47,492 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 263 [2020-11-07 04:31:47,746 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 238 [2020-11-07 04:31:47,913 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 264 [2020-11-07 04:31:48,200 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-11-07 04:31:48,690 WARN L194 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 243 [2020-11-07 04:31:48,857 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 237 [2020-11-07 04:31:52,291 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 260 [2020-11-07 04:31:52,709 WARN L194 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 261 [2020-11-07 04:31:53,554 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 260 [2020-11-07 04:31:53,838 WARN L194 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 258 [2020-11-07 04:31:54,524 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 223 [2020-11-07 04:31:54,786 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 224 [2020-11-07 04:31:57,196 WARN L194 SmtUtils]: Spent 2.22 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-11-07 04:31:59,403 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 830 DAG size of output: 532 [2020-11-07 04:32:02,719 WARN L194 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 870 DAG size of output: 625 [2020-11-07 04:32:06,998 WARN L194 SmtUtils]: Spent 4.25 s on a formula simplification. DAG size of input: 1026 DAG size of output: 712 [2020-11-07 04:32:12,060 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 266 [2020-11-07 04:32:12,616 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 264 [2020-11-07 04:32:20,208 WARN L194 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 944 DAG size of output: 657 [2020-11-07 04:32:20,578 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 255 [2020-11-07 04:32:20,832 WARN L194 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:32:26,606 WARN L194 SmtUtils]: Spent 3.68 s on a formula simplification. DAG size of input: 944 DAG size of output: 657 [2020-11-07 04:32:26,816 WARN L194 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 252 [2020-11-07 04:32:27,415 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 252 [2020-11-07 04:32:28,532 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:32:29,046 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-11-07 04:32:30,749 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-11-07 04:32:31,571 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 262 [2020-11-07 04:32:31,933 WARN L194 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 281 [2020-11-07 04:32:32,202 WARN L194 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 283 [2020-11-07 04:32:32,789 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 243 [2020-11-07 04:32:32,899 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-11-07 04:32:33,019 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 243 [2020-11-07 04:32:35,635 WARN L194 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 278 DAG size of output: 50 [2020-11-07 04:32:37,815 WARN L194 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 379 DAG size of output: 49 [2020-11-07 04:32:40,987 WARN L194 SmtUtils]: Spent 3.17 s on a formula simplification. DAG size of input: 385 DAG size of output: 56 [2020-11-07 04:32:44,780 WARN L194 SmtUtils]: Spent 3.77 s on a formula simplification. DAG size of input: 306 DAG size of output: 44 [2020-11-07 04:32:48,630 WARN L194 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 351 DAG size of output: 58 [2020-11-07 04:32:49,337 WARN L194 SmtUtils]: Spent 690.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 1 [2020-11-07 04:32:51,473 WARN L194 SmtUtils]: Spent 2.13 s on a formula simplification. DAG size of input: 285 DAG size of output: 57 [2020-11-07 04:32:55,340 WARN L194 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 351 DAG size of output: 58 [2020-11-07 04:32:57,804 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 278 DAG size of output: 50 [2020-11-07 04:33:00,080 WARN L194 SmtUtils]: Spent 2.27 s on a formula simplification. DAG size of input: 275 DAG size of output: 46 [2020-11-07 04:33:10,619 WARN L194 SmtUtils]: Spent 10.49 s on a formula simplification. DAG size of input: 538 DAG size of output: 67 [2020-11-07 04:33:21,135 WARN L194 SmtUtils]: Spent 10.48 s on a formula simplification. DAG size of input: 538 DAG size of output: 67 [2020-11-07 04:33:25,513 WARN L194 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 356 DAG size of output: 67 [2020-11-07 04:33:26,269 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 1 [2020-11-07 04:33:26,402 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-11-07 04:33:33,454 WARN L194 SmtUtils]: Spent 7.04 s on a formula simplification. DAG size of input: 548 DAG size of output: 62 [2020-11-07 04:33:36,499 WARN L194 SmtUtils]: Spent 3.01 s on a formula simplification. DAG size of input: 530 DAG size of output: 1 [2020-11-07 04:33:37,204 WARN L194 SmtUtils]: Spent 692.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 23 [2020-11-07 04:33:40,426 WARN L194 SmtUtils]: Spent 3.20 s on a formula simplification. DAG size of input: 385 DAG size of output: 56 [2020-11-07 04:33:50,873 WARN L194 SmtUtils]: Spent 10.38 s on a formula simplification. DAG size of input: 645 DAG size of output: 60 [2020-11-07 04:33:52,919 WARN L194 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 283 DAG size of output: 39 [2020-11-07 04:33:55,839 WARN L194 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 330 DAG size of output: 60 [2020-11-07 04:33:56,689 WARN L194 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-11-07 04:33:58,779 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 280 DAG size of output: 42 [2020-11-07 04:34:03,106 WARN L194 SmtUtils]: Spent 4.31 s on a formula simplification. DAG size of input: 332 DAG size of output: 55 [2020-11-07 04:34:03,746 WARN L194 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 28 [2020-11-07 04:34:05,274 WARN L194 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 292 DAG size of output: 51 [2020-11-07 04:34:08,497 WARN L194 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 385 DAG size of output: 56 [2020-11-07 04:34:08,989 WARN L194 SmtUtils]: Spent 480.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:34:09,501 WARN L194 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 31 [2020-11-07 04:34:10,039 WARN L194 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-11-07 04:34:12,077 WARN L194 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 181 DAG size of output: 34 [2020-11-07 04:34:12,567 WARN L194 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-11-07 04:34:14,126 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 292 DAG size of output: 51 [2020-11-07 04:34:14,595 WARN L194 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-11-07 04:34:18,028 WARN L194 SmtUtils]: Spent 3.40 s on a formula simplification. DAG size of input: 372 DAG size of output: 79 [2020-11-07 04:34:18,523 WARN L194 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:34:18,802 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-11-07 04:34:18,919 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-11-07 04:34:20,982 WARN L194 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 181 DAG size of output: 36 [2020-11-07 04:34:22,337 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 274 DAG size of output: 1 [2020-11-07 04:34:25,940 WARN L194 SmtUtils]: Spent 3.59 s on a formula simplification. DAG size of input: 318 DAG size of output: 69 [2020-11-07 04:34:27,672 WARN L194 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 279 DAG size of output: 33 [2020-11-07 04:34:30,903 WARN L194 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 314 DAG size of output: 49 [2020-11-07 04:34:37,986 WARN L194 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 548 DAG size of output: 62 [2020-11-07 04:34:38,503 WARN L194 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 21 [2020-11-07 04:34:47,726 WARN L194 SmtUtils]: Spent 9.22 s on a formula simplification. DAG size of input: 651 DAG size of output: 68 [2020-11-07 04:34:50,349 WARN L194 SmtUtils]: Spent 2.59 s on a formula simplification. DAG size of input: 312 DAG size of output: 52 [2020-11-07 04:34:52,112 WARN L194 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 269 DAG size of output: 45 [2020-11-07 04:34:54,554 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 369 DAG size of output: 42 [2020-11-07 04:34:56,704 WARN L194 SmtUtils]: Spent 2.14 s on a formula simplification. DAG size of input: 275 DAG size of output: 36 [2020-11-07 04:34:57,183 WARN L194 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:34:57,329 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-11-07 04:35:00,363 WARN L194 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 530 DAG size of output: 1 [2020-11-07 04:35:00,846 WARN L194 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:35:03,915 WARN L194 SmtUtils]: Spent 3.05 s on a formula simplification. DAG size of input: 330 DAG size of output: 62 [2020-11-07 04:35:04,159 WARN L194 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 1 [2020-11-07 04:35:07,774 WARN L194 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 318 DAG size of output: 69 [2020-11-07 04:35:10,776 WARN L194 SmtUtils]: Spent 2.99 s on a formula simplification. DAG size of input: 333 DAG size of output: 64 [2020-11-07 04:35:11,019 WARN L194 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 1 [2020-11-07 04:35:18,133 WARN L194 SmtUtils]: Spent 7.08 s on a formula simplification. DAG size of input: 548 DAG size of output: 62 [2020-11-07 04:35:20,574 WARN L194 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 369 DAG size of output: 42 [2020-11-07 04:35:21,064 WARN L194 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:35:23,950 WARN L194 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 380 DAG size of output: 52 [2020-11-07 04:35:29,477 WARN L194 SmtUtils]: Spent 5.52 s on a formula simplification. DAG size of input: 501 DAG size of output: 60 [2020-11-07 04:35:31,653 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 273 DAG size of output: 33 [2020-11-07 04:35:33,455 WARN L194 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 264 DAG size of output: 48 [2020-11-07 04:35:35,037 WARN L194 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 277 DAG size of output: 27 [2020-11-07 04:35:38,150 WARN L194 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 302 DAG size of output: 56 [2020-11-07 04:35:40,996 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 312 DAG size of output: 50 [2020-11-07 04:35:43,840 WARN L194 SmtUtils]: Spent 2.83 s on a formula simplification. DAG size of input: 312 DAG size of output: 50 [2020-11-07 04:35:44,495 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 28 [2020-11-07 04:35:46,706 WARN L194 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 350 DAG size of output: 47 [2020-11-07 04:35:54,390 WARN L194 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 542 DAG size of output: 66 [2020-11-07 04:35:57,517 WARN L194 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 314 DAG size of output: 51 [2020-11-07 04:35:58,057 WARN L194 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:36:00,014 WARN L194 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 178 DAG size of output: 33 [2020-11-07 04:36:00,548 WARN L194 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:36:00,665 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-11-07 04:36:02,764 WARN L194 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 282 DAG size of output: 52 [2020-11-07 04:36:05,985 WARN L194 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 325 DAG size of output: 55 [2020-11-07 04:36:08,585 WARN L194 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 394 DAG size of output: 37 [2020-11-07 04:36:08,866 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-11-07 04:36:09,340 WARN L194 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-11-07 04:36:11,362 WARN L194 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 353 DAG size of output: 44 [2020-11-07 04:36:11,662 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 1 [2020-11-07 04:36:15,004 WARN L194 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 396 DAG size of output: 76 [2020-11-07 04:36:15,484 WARN L194 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-11-07 04:36:19,598 WARN L194 SmtUtils]: Spent 4.09 s on a formula simplification. DAG size of input: 413 DAG size of output: 78 [2020-11-07 04:36:21,250 WARN L194 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 276 DAG size of output: 51 [2020-11-07 04:36:21,761 WARN L194 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-11-07 04:36:22,270 WARN L194 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 29 [2020-11-07 04:36:25,522 WARN L194 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 325 DAG size of output: 55 [2020-11-07 04:36:26,019 WARN L194 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-11-07 04:36:31,622 WARN L194 SmtUtils]: Spent 5.56 s on a formula simplification. DAG size of input: 501 DAG size of output: 60 [2020-11-07 04:36:34,900 WARN L194 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 385 DAG size of output: 56 [2020-11-07 04:36:39,436 WARN L194 SmtUtils]: Spent 4.51 s on a formula simplification. DAG size of input: 465 DAG size of output: 38 [2020-11-07 04:36:39,916 WARN L194 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-11-07 04:36:41,996 WARN L194 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 181 DAG size of output: 36 [2020-11-07 04:36:42,485 WARN L194 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-11-07 04:36:45,797 WARN L194 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 314 DAG size of output: 49 [2020-11-07 04:36:45,918 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-11-07 04:36:46,410 WARN L194 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:36:46,910 WARN L194 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:36:47,639 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 1 [2020-11-07 04:36:48,399 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 1 [2020-11-07 04:36:50,459 WARN L194 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 181 DAG size of output: 34 [2020-11-07 04:37:00,772 WARN L194 SmtUtils]: Spent 10.27 s on a formula simplification. DAG size of input: 642 DAG size of output: 59 [2020-11-07 04:37:01,263 WARN L194 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:37:04,732 WARN L194 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 388 DAG size of output: 82