/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_product46.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:25:05,087 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:25:05,090 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:25:05,144 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:25:05,144 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:25:05,149 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:25:05,153 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:25:05,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:25:05,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:25:05,169 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:25:05,170 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:25:05,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:25:05,172 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:25:05,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:25:05,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:25:05,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:25:05,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:25:05,182 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:25:05,197 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:25:05,204 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:25:05,206 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:25:05,208 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:25:05,209 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:25:05,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:25:05,220 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:25:05,221 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:25:05,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:25:05,225 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:25:05,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:25:05,227 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:25:05,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:25:05,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:25:05,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:25:05,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:25:05,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:25:05,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:25:05,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:25:05,234 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:25:05,234 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:25:05,235 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:25:05,236 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:25:05,237 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 04:25:05,259 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:25:05,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:25:05,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:25:05,264 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:25:05,264 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:25:05,265 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:25:05,265 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:25:05,265 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:25:05,265 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:25:05,265 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:25:05,266 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:25:05,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:25:05,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:25:05,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:25:05,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:25:05,268 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:25:05,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:25:05,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:25:05,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:25:05,269 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:25:05,269 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:25:05,270 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:25:05,270 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:25:05,677 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:25:05,712 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:25:05,715 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:25:05,717 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:25:05,718 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:25:05,719 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-11-07 04:25:05,813 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95be85439/ea54d72187a7487ea85666984003f730/FLAGff6290ebf [2020-11-07 04:25:06,584 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:25:06,584 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product46.cil.c [2020-11-07 04:25:06,605 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95be85439/ea54d72187a7487ea85666984003f730/FLAGff6290ebf [2020-11-07 04:25:06,828 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/95be85439/ea54d72187a7487ea85666984003f730 [2020-11-07 04:25:06,830 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:25:06,838 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:25:06,840 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:25:06,840 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:25:06,844 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:25:06,845 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:25:06" (1/1) ... [2020-11-07 04:25:06,848 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@545cf398 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:06, skipping insertion in model container [2020-11-07 04:25:06,848 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:25:06" (1/1) ... [2020-11-07 04:25:06,857 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:25:06,897 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:25:07,235 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:25:07,246 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:25:07,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:25:07,426 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:25:07,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07 WrapperNode [2020-11-07 04:25:07,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:25:07,428 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:25:07,428 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:25:07,428 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:25:07,441 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07" (1/1) ... [2020-11-07 04:25:07,441 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07" (1/1) ... [2020-11-07 04:25:07,459 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07" (1/1) ... [2020-11-07 04:25:07,459 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07" (1/1) ... [2020-11-07 04:25:07,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07" (1/1) ... [2020-11-07 04:25:07,521 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07" (1/1) ... [2020-11-07 04:25:07,532 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07" (1/1) ... [2020-11-07 04:25:07,548 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:25:07,549 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:25:07,549 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:25:07,549 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:25:07,555 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07" (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 04:25:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:25:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:25:07,672 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:25:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:25:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:25:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:25:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:25:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:25:07,673 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:25:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:25:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:25:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:25:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:25:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:25:07,674 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:25:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:25:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:25:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:25:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:25:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:25:07,675 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:25:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:25:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:25:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:25:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:25:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:25:07,676 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:25:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:25:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:25:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:25:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:25:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:25:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:25:07,677 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:25:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:25:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:25:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:25:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:25:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:25:07,678 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:25:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:25:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:25:07,679 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:25:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:25:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:25:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:25:07,679 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:25:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:25:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:25:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:25:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:25:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:25:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:25:07,680 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:25:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:25:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:25:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:25:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:25:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:25:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:25:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:25:07,681 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:25:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:25:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:25:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:25:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:25:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:25:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:25:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:25:07,682 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:25:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:25:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:25:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:25:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:25:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:25:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:25:07,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:25:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:25:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:25:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:25:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:25:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:25:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:25:07,684 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:25:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:25:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:25:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:25:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:25:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:25:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:25:07,685 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:25:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:25:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:25:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:25:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-11-07 04:25:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:25:07,686 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-11-07 04:25:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:25:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:25:07,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:25:08,978 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:25:08,978 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:25:08,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:25:08 BoogieIcfgContainer [2020-11-07 04:25:08,981 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:25:08,983 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:25:08,983 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:25:08,987 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:25:08,988 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:25:06" (1/3) ... [2020-11-07 04:25:08,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5d6208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:25:08, skipping insertion in model container [2020-11-07 04:25:08,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:25:07" (2/3) ... [2020-11-07 04:25:08,989 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@d5d6208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:25:08, skipping insertion in model container [2020-11-07 04:25:08,989 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:25:08" (3/3) ... [2020-11-07 04:25:08,991 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product46.cil.c [2020-11-07 04:25:09,008 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:25:09,014 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:25:09,028 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:25:09,054 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:25:09,054 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:25:09,054 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:25:09,054 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:25:09,054 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:25:09,055 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:25:09,055 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:25:09,055 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:25:09,078 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states. [2020-11-07 04:25:09,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:25:09,103 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:09,105 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 04:25:09,107 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 04:25:09,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:09,122 INFO L82 PathProgramCache]: Analyzing trace with hash 275893102, now seen corresponding path program 1 times [2020-11-07 04:25:09,132 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:09,133 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [930663082] [2020-11-07 04:25:09,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:09,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:09,957 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:09,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:10,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:10,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:10,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:10,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:25:10,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:25:10,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:25:10,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:10,206 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 04:25:10,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [930663082] [2020-11-07 04:25:10,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:10,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:25:10,210 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373566769] [2020-11-07 04:25:10,215 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:25:10,215 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:10,229 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:25:10,229 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:25:10,232 INFO L87 Difference]: Start difference. First operand 341 states. Second operand 4 states. [2020-11-07 04:25:12,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:12,089 INFO L93 Difference]: Finished difference Result 535 states and 626 transitions. [2020-11-07 04:25:12,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:25:12,092 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:25:12,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:12,114 INFO L225 Difference]: With dead ends: 535 [2020-11-07 04:25:12,114 INFO L226 Difference]: Without dead ends: 335 [2020-11-07 04:25:12,119 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:25:12,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-11-07 04:25:12,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 287. [2020-11-07 04:25:12,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 287 states. [2020-11-07 04:25:12,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 312 transitions. [2020-11-07 04:25:12,315 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 312 transitions. Word has length 166 [2020-11-07 04:25:12,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:12,316 INFO L481 AbstractCegarLoop]: Abstraction has 287 states and 312 transitions. [2020-11-07 04:25:12,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:25:12,316 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 312 transitions. [2020-11-07 04:25:12,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:25:12,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:12,321 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 04:25:12,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:25:12,322 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 04:25:12,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:12,322 INFO L82 PathProgramCache]: Analyzing trace with hash -1982114383, now seen corresponding path program 1 times [2020-11-07 04:25:12,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:12,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [636860676] [2020-11-07 04:25:12,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:12,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,757 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:12,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:12,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:12,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:12,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:12,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:12,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:12,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:25:12,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:25:12,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:12,891 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 04:25:12,892 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [636860676] [2020-11-07 04:25:12,892 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:12,892 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:25:12,893 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688929880] [2020-11-07 04:25:12,894 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:25:12,895 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:12,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:25:12,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:25:12,896 INFO L87 Difference]: Start difference. First operand 287 states and 312 transitions. Second operand 5 states. [2020-11-07 04:25:13,678 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:14,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:14,810 INFO L93 Difference]: Finished difference Result 457 states and 514 transitions. [2020-11-07 04:25:14,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:25:14,811 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:25:14,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:14,817 INFO L225 Difference]: With dead ends: 457 [2020-11-07 04:25:14,817 INFO L226 Difference]: Without dead ends: 324 [2020-11-07 04:25:14,825 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:25:14,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2020-11-07 04:25:14,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 277. [2020-11-07 04:25:14,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-11-07 04:25:14,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 299 transitions. [2020-11-07 04:25:14,974 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 299 transitions. Word has length 167 [2020-11-07 04:25:14,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:14,975 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 299 transitions. [2020-11-07 04:25:14,975 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:25:14,975 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 299 transitions. [2020-11-07 04:25:14,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:25:14,978 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:14,978 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:14,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:25:14,979 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 04:25:14,979 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:14,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1106210798, now seen corresponding path program 1 times [2020-11-07 04:25:14,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:14,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1860317372] [2020-11-07 04:25:14,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,341 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:15,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:15,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:15,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:25:15,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:15,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:15,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:25:15,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:25:15,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:15,627 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 04:25:15,634 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1860317372] [2020-11-07 04:25:15,635 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:15,635 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:25:15,636 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319500974] [2020-11-07 04:25:15,637 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:25:15,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:15,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:25:15,640 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:25:15,640 INFO L87 Difference]: Start difference. First operand 277 states and 299 transitions. Second operand 11 states. [2020-11-07 04:25:16,301 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:16,671 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:16,994 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:25:17,297 WARN L194 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:17,620 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:17,916 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:19,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:19,934 INFO L93 Difference]: Finished difference Result 504 states and 579 transitions. [2020-11-07 04:25:19,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:25:19,935 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:25:19,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:19,946 INFO L225 Difference]: With dead ends: 504 [2020-11-07 04:25:19,946 INFO L226 Difference]: Without dead ends: 347 [2020-11-07 04:25:19,948 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:25:19,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2020-11-07 04:25:20,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 277. [2020-11-07 04:25:20,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 277 states. [2020-11-07 04:25:20,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 277 states and 298 transitions. [2020-11-07 04:25:20,078 INFO L78 Accepts]: Start accepts. Automaton has 277 states and 298 transitions. Word has length 180 [2020-11-07 04:25:20,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:20,079 INFO L481 AbstractCegarLoop]: Abstraction has 277 states and 298 transitions. [2020-11-07 04:25:20,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:25:20,079 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 298 transitions. [2020-11-07 04:25:20,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2020-11-07 04:25:20,082 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:20,082 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] [2020-11-07 04:25:20,083 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:25:20,083 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 04:25:20,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:20,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1649722486, now seen corresponding path program 1 times [2020-11-07 04:25:20,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:20,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2011766342] [2020-11-07 04:25:20,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:20,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,448 WARN L194 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:20,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:20,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:20,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:25:20,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:20,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:25:20,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:20,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 169 [2020-11-07 04:25:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 179 [2020-11-07 04:25:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:20,672 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 04:25:20,672 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2011766342] [2020-11-07 04:25:20,673 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:20,673 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:25:20,673 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257103014] [2020-11-07 04:25:20,674 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:25:20,674 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:20,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:25:20,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:25:20,675 INFO L87 Difference]: Start difference. First operand 277 states and 298 transitions. Second operand 8 states. [2020-11-07 04:25:21,252 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:23,449 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:24,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:24,101 INFO L93 Difference]: Finished difference Result 708 states and 838 transitions. [2020-11-07 04:25:24,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:25:24,103 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 193 [2020-11-07 04:25:24,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:24,108 INFO L225 Difference]: With dead ends: 708 [2020-11-07 04:25:24,109 INFO L226 Difference]: Without dead ends: 551 [2020-11-07 04:25:24,110 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:25:24,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 551 states. [2020-11-07 04:25:24,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 551 to 411. [2020-11-07 04:25:24,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 411 states. [2020-11-07 04:25:24,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 443 transitions. [2020-11-07 04:25:24,317 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 443 transitions. Word has length 193 [2020-11-07 04:25:24,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:24,317 INFO L481 AbstractCegarLoop]: Abstraction has 411 states and 443 transitions. [2020-11-07 04:25:24,318 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:25:24,318 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 443 transitions. [2020-11-07 04:25:24,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-07 04:25:24,321 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:24,321 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] [2020-11-07 04:25:24,321 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:25:24,322 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 04:25:24,322 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:24,322 INFO L82 PathProgramCache]: Analyzing trace with hash 1463492993, now seen corresponding path program 1 times [2020-11-07 04:25:24,323 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:24,323 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1095774043] [2020-11-07 04:25:24,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:24,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,648 WARN L194 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:24,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:24,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:25:24,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:24,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:25:24,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:24,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:24,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 04:25:24,862 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 203 [2020-11-07 04:25:24,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:24,925 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 04:25:24,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1095774043] [2020-11-07 04:25:24,925 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:24,926 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:25:24,926 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1165949922] [2020-11-07 04:25:24,926 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:25:24,927 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:24,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:25:24,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:25:24,927 INFO L87 Difference]: Start difference. First operand 411 states and 443 transitions. Second operand 11 states. [2020-11-07 04:25:25,547 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:26,927 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:27,232 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:27,551 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:27,843 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:28,234 WARN L194 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:28,569 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:31,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:31,077 INFO L93 Difference]: Finished difference Result 1161 states and 1420 transitions. [2020-11-07 04:25:31,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-07 04:25:31,078 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-11-07 04:25:31,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:31,088 INFO L225 Difference]: With dead ends: 1161 [2020-11-07 04:25:31,089 INFO L226 Difference]: Without dead ends: 870 [2020-11-07 04:25:31,092 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=188, Invalid=568, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:25:31,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2020-11-07 04:25:31,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 630. [2020-11-07 04:25:31,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-11-07 04:25:31,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 691 transitions. [2020-11-07 04:25:31,378 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 691 transitions. Word has length 217 [2020-11-07 04:25:31,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:31,378 INFO L481 AbstractCegarLoop]: Abstraction has 630 states and 691 transitions. [2020-11-07 04:25:31,378 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:25:31,378 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 691 transitions. [2020-11-07 04:25:31,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2020-11-07 04:25:31,382 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:31,382 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] [2020-11-07 04:25:31,382 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:25:31,383 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 04:25:31,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:31,383 INFO L82 PathProgramCache]: Analyzing trace with hash 772998852, now seen corresponding path program 1 times [2020-11-07 04:25:31,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:31,384 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1851449739] [2020-11-07 04:25:31,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,793 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:31,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:31,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:31,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:31,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:25:31,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:31,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:31,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:25:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:31,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:31,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:31,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:31,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 193 [2020-11-07 04:25:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:31,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2020-11-07 04:25:31,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:32,018 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 04:25:32,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1851449739] [2020-11-07 04:25:32,020 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:32,020 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:25:32,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [591244841] [2020-11-07 04:25:32,021 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:25:32,021 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:32,023 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:25:32,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:25:32,024 INFO L87 Difference]: Start difference. First operand 630 states and 691 transitions. Second operand 11 states. [2020-11-07 04:25:32,616 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:33,561 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:33,869 WARN L194 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:35,235 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:35,522 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:35,862 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:36,515 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:36,831 WARN L194 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:37,118 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:37,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:37,984 INFO L93 Difference]: Finished difference Result 1373 states and 1623 transitions. [2020-11-07 04:25:37,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 04:25:37,985 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 217 [2020-11-07 04:25:37,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:37,992 INFO L225 Difference]: With dead ends: 1373 [2020-11-07 04:25:37,992 INFO L226 Difference]: Without dead ends: 863 [2020-11-07 04:25:37,995 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-11-07 04:25:37,996 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 863 states. [2020-11-07 04:25:38,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 863 to 628. [2020-11-07 04:25:38,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 628 states. [2020-11-07 04:25:38,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 628 states to 628 states and 685 transitions. [2020-11-07 04:25:38,232 INFO L78 Accepts]: Start accepts. Automaton has 628 states and 685 transitions. Word has length 217 [2020-11-07 04:25:38,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:38,232 INFO L481 AbstractCegarLoop]: Abstraction has 628 states and 685 transitions. [2020-11-07 04:25:38,232 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:25:38,233 INFO L276 IsEmpty]: Start isEmpty. Operand 628 states and 685 transitions. [2020-11-07 04:25:38,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:25:38,237 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:38,237 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:38,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:25:38,238 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 04:25:38,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:38,238 INFO L82 PathProgramCache]: Analyzing trace with hash -1223998311, now seen corresponding path program 1 times [2020-11-07 04:25:38,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:38,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [687467137] [2020-11-07 04:25:38,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:38,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,536 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:38,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:38,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:38,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:38,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:38,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:25:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:38,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:38,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:25:38,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:38,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:38,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:38,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:38,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:25:38,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:25:38,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:38,793 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 04:25:38,793 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [687467137] [2020-11-07 04:25:38,793 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:38,793 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:25:38,794 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007503681] [2020-11-07 04:25:38,794 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:25:38,794 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:38,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:25:38,795 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:25:38,795 INFO L87 Difference]: Start difference. First operand 628 states and 685 transitions. Second operand 11 states. [2020-11-07 04:25:40,254 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:40,587 WARN L194 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:40,957 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:25:41,280 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:41,594 WARN L194 SmtUtils]: Spent 271.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:41,877 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:43,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:43,396 INFO L93 Difference]: Finished difference Result 1381 states and 1644 transitions. [2020-11-07 04:25:43,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:25:43,397 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 240 [2020-11-07 04:25:43,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:43,402 INFO L225 Difference]: With dead ends: 1381 [2020-11-07 04:25:43,403 INFO L226 Difference]: Without dead ends: 873 [2020-11-07 04:25:43,405 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:25:43,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 873 states. [2020-11-07 04:25:43,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 873 to 644. [2020-11-07 04:25:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 644 states. [2020-11-07 04:25:43,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 644 states to 644 states and 701 transitions. [2020-11-07 04:25:43,734 INFO L78 Accepts]: Start accepts. Automaton has 644 states and 701 transitions. Word has length 240 [2020-11-07 04:25:43,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:43,735 INFO L481 AbstractCegarLoop]: Abstraction has 644 states and 701 transitions. [2020-11-07 04:25:43,735 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:25:43,735 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 701 transitions. [2020-11-07 04:25:43,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2020-11-07 04:25:43,738 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:43,739 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:43,739 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:25:43,739 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 04:25:43,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:43,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1998696391, now seen corresponding path program 1 times [2020-11-07 04:25:43,740 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:43,740 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1738504552] [2020-11-07 04:25:43,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,053 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:44,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:44,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:44,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:25:44,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:44,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:44,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:25:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:44,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:44,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 216 [2020-11-07 04:25:44,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 226 [2020-11-07 04:25:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:44,319 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 04:25:44,319 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1738504552] [2020-11-07 04:25:44,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:44,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:25:44,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049321574] [2020-11-07 04:25:44,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:25:44,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:44,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:25:44,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:25:44,321 INFO L87 Difference]: Start difference. First operand 644 states and 701 transitions. Second operand 14 states. [2020-11-07 04:25:44,991 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:45,333 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:25:45,647 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:45,965 WARN L194 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:46,258 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:47,374 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:47,667 WARN L194 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:47,972 WARN L194 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:48,285 WARN L194 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:25:48,582 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:25:49,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:25:49,973 INFO L93 Difference]: Finished difference Result 1217 states and 1421 transitions. [2020-11-07 04:25:49,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:25:49,973 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 240 [2020-11-07 04:25:49,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:25:49,978 INFO L225 Difference]: With dead ends: 1217 [2020-11-07 04:25:49,978 INFO L226 Difference]: Without dead ends: 693 [2020-11-07 04:25:49,980 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:25:49,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 693 states. [2020-11-07 04:25:50,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 693 to 530. [2020-11-07 04:25:50,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 530 states. [2020-11-07 04:25:50,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 530 states and 567 transitions. [2020-11-07 04:25:50,179 INFO L78 Accepts]: Start accepts. Automaton has 530 states and 567 transitions. Word has length 240 [2020-11-07 04:25:50,180 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:25:50,180 INFO L481 AbstractCegarLoop]: Abstraction has 530 states and 567 transitions. [2020-11-07 04:25:50,180 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:25:50,180 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 567 transitions. [2020-11-07 04:25:50,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-11-07 04:25:50,182 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:25:50,182 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:25:50,183 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:25:50,183 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 04:25:50,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:25:50,183 INFO L82 PathProgramCache]: Analyzing trace with hash 103496004, now seen corresponding path program 1 times [2020-11-07 04:25:50,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:25:50,184 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [575511558] [2020-11-07 04:25:50,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:25:50,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,631 WARN L194 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:25:50,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:50,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:25:50,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:25:50,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:25:50,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:25:50,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:25:50,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:25:50,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:25:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:25:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:25:50,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:25:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:25:50,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:25:50,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:25:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:25:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:25:50,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 221 [2020-11-07 04:25:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 231 [2020-11-07 04:25:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:25:50,971 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 04:25:50,972 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [575511558] [2020-11-07 04:25:50,972 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:25:50,972 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:25:50,972 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1948799380] [2020-11-07 04:25:50,973 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:25:50,973 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:25:50,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:25:50,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:25:50,974 INFO L87 Difference]: Start difference. First operand 530 states and 567 transitions. Second operand 15 states. [2020-11-07 04:25:51,874 WARN L194 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:25:52,774 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:54,599 WARN L194 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:25:55,192 WARN L194 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:25:55,574 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:55,901 WARN L194 SmtUtils]: Spent 289.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:56,494 WARN L194 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:25:56,819 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:57,177 WARN L194 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:25:57,484 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:25:59,709 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:25:59,998 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:26:00,309 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:01,026 WARN L194 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:26:02,593 WARN L194 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:26:03,199 WARN L194 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:26:03,817 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:26:04,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:04,619 INFO L93 Difference]: Finished difference Result 1641 states and 1930 transitions. [2020-11-07 04:26:04,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-11-07 04:26:04,620 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 245 [2020-11-07 04:26:04,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:04,629 INFO L225 Difference]: With dead ends: 1641 [2020-11-07 04:26:04,630 INFO L226 Difference]: Without dead ends: 1335 [2020-11-07 04:26:04,633 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1110 ImplicationChecksByTransitivity, 8.1s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-11-07 04:26:04,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1335 states. [2020-11-07 04:26:05,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1335 to 1055. [2020-11-07 04:26:05,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1055 states. [2020-11-07 04:26:05,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 1055 states and 1134 transitions. [2020-11-07 04:26:05,140 INFO L78 Accepts]: Start accepts. Automaton has 1055 states and 1134 transitions. Word has length 245 [2020-11-07 04:26:05,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:05,140 INFO L481 AbstractCegarLoop]: Abstraction has 1055 states and 1134 transitions. [2020-11-07 04:26:05,140 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:26:05,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1055 states and 1134 transitions. [2020-11-07 04:26:05,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2020-11-07 04:26:05,144 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:05,144 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:05,145 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:26:05,145 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 04:26:05,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:05,145 INFO L82 PathProgramCache]: Analyzing trace with hash -767490643, now seen corresponding path program 1 times [2020-11-07 04:26:05,146 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:05,146 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [552677551] [2020-11-07 04:26:05,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:05,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,536 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:05,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:05,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:05,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:05,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:05,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:05,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:05,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:26:05,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:05,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:05,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:05,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:05,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:05,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:05,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:05,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:05,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:26:05,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:05,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:26:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:26:05,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:05,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 267 [2020-11-07 04:26:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 273 [2020-11-07 04:26:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:05,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 307 [2020-11-07 04:26:05,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:05,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-11-07 04:26:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:06,039 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 34 proven. 9 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2020-11-07 04:26:06,040 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [552677551] [2020-11-07 04:26:06,040 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:06,040 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:26:06,040 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677723656] [2020-11-07 04:26:06,041 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:26:06,041 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:06,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:26:06,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:26:06,042 INFO L87 Difference]: Start difference. First operand 1055 states and 1134 transitions. Second operand 19 states. [2020-11-07 04:26:06,777 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:26:07,216 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:26:07,549 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-07 04:26:07,883 WARN L194 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:08,217 WARN L194 SmtUtils]: Spent 283.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:26:08,533 WARN L194 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:09,602 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:26:09,942 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:26:10,262 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:10,868 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:26:12,017 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:26:12,397 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:26:13,378 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:14,370 WARN L194 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:26:15,350 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:26:15,959 WARN L194 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:26:16,567 WARN L194 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:26:16,991 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:17,846 WARN L194 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:18,519 WARN L194 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:26:18,929 WARN L194 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:26:19,700 WARN L194 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:26:20,401 WARN L194 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:26:22,050 WARN L194 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:26:22,390 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:24,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:24,043 INFO L93 Difference]: Finished difference Result 2537 states and 2896 transitions. [2020-11-07 04:26:24,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2020-11-07 04:26:24,044 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 331 [2020-11-07 04:26:24,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:24,054 INFO L225 Difference]: With dead ends: 2537 [2020-11-07 04:26:24,054 INFO L226 Difference]: Without dead ends: 1704 [2020-11-07 04:26:24,059 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 167 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1983 ImplicationChecksByTransitivity, 11.2s TimeCoverageRelationStatistics Valid=1300, Invalid=5506, Unknown=0, NotChecked=0, Total=6806 [2020-11-07 04:26:24,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1704 states. [2020-11-07 04:26:24,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1704 to 1275. [2020-11-07 04:26:24,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-11-07 04:26:24,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1380 transitions. [2020-11-07 04:26:24,746 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1380 transitions. Word has length 331 [2020-11-07 04:26:24,747 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:24,747 INFO L481 AbstractCegarLoop]: Abstraction has 1275 states and 1380 transitions. [2020-11-07 04:26:24,747 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:26:24,747 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1380 transitions. [2020-11-07 04:26:24,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2020-11-07 04:26:24,752 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:24,752 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:24,753 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:26:24,753 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 04:26:24,753 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:24,753 INFO L82 PathProgramCache]: Analyzing trace with hash 1633571633, now seen corresponding path program 1 times [2020-11-07 04:26:24,753 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:24,754 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118306549] [2020-11-07 04:26:24,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,111 WARN L194 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:25,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:25,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:25,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:25,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:25,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:26:25,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:26:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:25,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:25,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:25,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:25,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:25,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:25,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:25,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:26:25,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:26:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:26:25,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:25,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:25,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:25,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:25,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:25,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:25,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 335 [2020-11-07 04:26:25,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 339 [2020-11-07 04:26:25,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:25,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:25,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:25,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:25,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:25,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2020-11-07 04:26:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-11-07 04:26:25,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:25,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 436 [2020-11-07 04:26:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:25,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:25,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:25,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:25,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:25,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 499 [2020-11-07 04:26:25,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-11-07 04:26:25,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:25,764 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 116 proven. 11 refuted. 0 times theorem prover too weak. 349 trivial. 0 not checked. [2020-11-07 04:26:25,764 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118306549] [2020-11-07 04:26:25,764 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:25,764 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:26:25,765 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217817882] [2020-11-07 04:26:25,766 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:26:25,766 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:25,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:26:25,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:26:25,766 INFO L87 Difference]: Start difference. First operand 1275 states and 1380 transitions. Second operand 17 states. [2020-11-07 04:26:26,417 WARN L194 SmtUtils]: Spent 277.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:27,589 WARN L194 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:26:29,400 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:29,764 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:30,148 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:30,549 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:30,878 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:31,226 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:31,540 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:31,894 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:32,257 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:32,690 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:33,047 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:33,405 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:35,818 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:36,448 WARN L194 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 213 [2020-11-07 04:26:37,039 WARN L194 SmtUtils]: Spent 554.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-07 04:26:37,384 WARN L194 SmtUtils]: Spent 287.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:37,808 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:26:38,202 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:26:40,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:26:40,026 INFO L93 Difference]: Finished difference Result 3960 states and 4545 transitions. [2020-11-07 04:26:40,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-11-07 04:26:40,031 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 523 [2020-11-07 04:26:40,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:26:40,049 INFO L225 Difference]: With dead ends: 3960 [2020-11-07 04:26:40,049 INFO L226 Difference]: Without dead ends: 2818 [2020-11-07 04:26:40,057 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 126 SyntacticMatches, 1 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1062 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=783, Invalid=3123, Unknown=0, NotChecked=0, Total=3906 [2020-11-07 04:26:40,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2020-11-07 04:26:41,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2265. [2020-11-07 04:26:41,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2265 states. [2020-11-07 04:26:41,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2265 states to 2265 states and 2436 transitions. [2020-11-07 04:26:41,361 INFO L78 Accepts]: Start accepts. Automaton has 2265 states and 2436 transitions. Word has length 523 [2020-11-07 04:26:41,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:26:41,362 INFO L481 AbstractCegarLoop]: Abstraction has 2265 states and 2436 transitions. [2020-11-07 04:26:41,362 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:26:41,362 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2436 transitions. [2020-11-07 04:26:41,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 529 [2020-11-07 04:26:41,371 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:26:41,371 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:26:41,372 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:26:41,372 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 04:26:41,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:26:41,372 INFO L82 PathProgramCache]: Analyzing trace with hash 1562196998, now seen corresponding path program 1 times [2020-11-07 04:26:41,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:26:41,373 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [513297429] [2020-11-07 04:26:41,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:26:41,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,721 WARN L194 SmtUtils]: Spent 245.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:26:41,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:41,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:26:41,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:26:41,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:26:41,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:26:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:26:41,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:26:41,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:26:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:26:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:26:41,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:26:41,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:41,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:41,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:41,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:42,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:42,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:26:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:42,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:26:42,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:26:42,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:42,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:42,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:42,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:42,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:42,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:42,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:42,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:26:42,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:42,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:26:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 04:26:42,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:42,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:42,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:26:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:42,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:42,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:26:42,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:26:42,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:42,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 422 [2020-11-07 04:26:42,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-11-07 04:26:42,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:26:42,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2020-11-07 04:26:42,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:26:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:26:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:26:42,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:42,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:26:42,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:26:42,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 504 [2020-11-07 04:26:42,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 514 [2020-11-07 04:26:42,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:26:42,509 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 84 proven. 50 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2020-11-07 04:26:42,509 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [513297429] [2020-11-07 04:26:42,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:26:42,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-11-07 04:26:42,510 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1282273959] [2020-11-07 04:26:42,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-07 04:26:42,511 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:26:42,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-07 04:26:42,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:26:42,511 INFO L87 Difference]: Start difference. First operand 2265 states and 2436 transitions. Second operand 23 states. [2020-11-07 04:26:43,243 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:43,736 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:26:44,081 WARN L194 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:26:44,406 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:44,734 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:26:45,042 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:46,166 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:26:48,200 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:48,577 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:49,001 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:49,397 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:49,727 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:50,082 WARN L194 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:50,398 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:50,759 WARN L194 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:51,108 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:51,582 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:51,956 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:26:52,334 WARN L194 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:26:53,139 WARN L194 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:26:54,007 WARN L194 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:26:54,707 WARN L194 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:00,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:00,048 INFO L93 Difference]: Finished difference Result 4807 states and 5442 transitions. [2020-11-07 04:27:00,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2020-11-07 04:27:00,049 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 528 [2020-11-07 04:27:00,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:00,065 INFO L225 Difference]: With dead ends: 4807 [2020-11-07 04:27:00,066 INFO L226 Difference]: Without dead ends: 2919 [2020-11-07 04:27:00,073 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 216 GetRequests, 134 SyntacticMatches, 3 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1926 ImplicationChecksByTransitivity, 9.5s TimeCoverageRelationStatistics Valid=1192, Invalid=5288, Unknown=0, NotChecked=0, Total=6480 [2020-11-07 04:27:00,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2919 states. [2020-11-07 04:27:01,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2919 to 2146. [2020-11-07 04:27:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2146 states. [2020-11-07 04:27:01,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 2146 states and 2298 transitions. [2020-11-07 04:27:01,114 INFO L78 Accepts]: Start accepts. Automaton has 2146 states and 2298 transitions. Word has length 528 [2020-11-07 04:27:01,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:01,115 INFO L481 AbstractCegarLoop]: Abstraction has 2146 states and 2298 transitions. [2020-11-07 04:27:01,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-07 04:27:01,115 INFO L276 IsEmpty]: Start isEmpty. Operand 2146 states and 2298 transitions. [2020-11-07 04:27:01,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-07 04:27:01,123 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:01,124 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:01,124 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:27:01,124 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 04:27:01,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:01,125 INFO L82 PathProgramCache]: Analyzing trace with hash 666143767, now seen corresponding path program 1 times [2020-11-07 04:27:01,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:01,125 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1442197065] [2020-11-07 04:27:01,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,469 WARN L194 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:01,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:01,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:01,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:01,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:01,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:01,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:01,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:27:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:01,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:01,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:01,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:01,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:27:01,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 245 [2020-11-07 04:27:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 254 [2020-11-07 04:27:01,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2020-11-07 04:27:01,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:01,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:01,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:01,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:01,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:27:01,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 04:27:01,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:01,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:01,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:01,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:01,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-11-07 04:27:01,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-11-07 04:27:01,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-11-07 04:27:01,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:27:01,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:01,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:01,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:01,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:01,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:02,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:02,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:02,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:02,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-11-07 04:27:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:02,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:27:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:02,228 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 121 proven. 31 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2020-11-07 04:27:02,228 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1442197065] [2020-11-07 04:27:02,228 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:02,228 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-11-07 04:27:02,228 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131226613] [2020-11-07 04:27:02,229 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-07 04:27:02,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:02,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-07 04:27:02,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:27:02,230 INFO L87 Difference]: Start difference. First operand 2146 states and 2298 transitions. Second operand 23 states. [2020-11-07 04:27:02,947 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:03,405 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:03,752 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:27:04,096 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:04,443 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:27:04,803 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:05,930 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:08,112 WARN L194 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:08,507 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:08,933 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:09,349 WARN L194 SmtUtils]: Spent 292.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:09,699 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:10,076 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:10,415 WARN L194 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:10,823 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:11,202 WARN L194 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:11,681 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:12,071 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:12,455 WARN L194 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:15,715 WARN L194 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:16,408 WARN L194 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:27:17,005 WARN L194 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:27:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:19,589 INFO L93 Difference]: Finished difference Result 4458 states and 5020 transitions. [2020-11-07 04:27:19,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-11-07 04:27:19,589 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 533 [2020-11-07 04:27:19,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:19,604 INFO L225 Difference]: With dead ends: 4458 [2020-11-07 04:27:19,605 INFO L226 Difference]: Without dead ends: 2689 [2020-11-07 04:27:19,612 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1949 ImplicationChecksByTransitivity, 9.6s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-11-07 04:27:19,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2689 states. [2020-11-07 04:27:20,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2689 to 1983. [2020-11-07 04:27:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1983 states. [2020-11-07 04:27:20,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1983 states and 2119 transitions. [2020-11-07 04:27:20,631 INFO L78 Accepts]: Start accepts. Automaton has 1983 states and 2119 transitions. Word has length 533 [2020-11-07 04:27:20,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:20,632 INFO L481 AbstractCegarLoop]: Abstraction has 1983 states and 2119 transitions. [2020-11-07 04:27:20,632 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-07 04:27:20,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1983 states and 2119 transitions. [2020-11-07 04:27:20,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-07 04:27:20,641 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:20,642 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:20,642 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:27:20,642 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 04:27:20,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:20,643 INFO L82 PathProgramCache]: Analyzing trace with hash 159573577, now seen corresponding path program 2 times [2020-11-07 04:27:20,643 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:20,643 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1565093693] [2020-11-07 04:27:20,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,035 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:21,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:21,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:21,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:27:21,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:21,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:21,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:21,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:21,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:21,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:21,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:21,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:21,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:27:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:27:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:27:21,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:21,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:21,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:21,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:21,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:21,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 331 [2020-11-07 04:27:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 340 [2020-11-07 04:27:21,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 344 [2020-11-07 04:27:21,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:21,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:21,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:21,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-11-07 04:27:21,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 427 [2020-11-07 04:27:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 432 [2020-11-07 04:27:21,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:21,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:27:21,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:21,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:21,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:21,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:21,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:21,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-11-07 04:27:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:27:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:21,826 INFO L134 CoverageAnalysis]: Checked inductivity of 480 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2020-11-07 04:27:21,826 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1565093693] [2020-11-07 04:27:21,826 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:21,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:27:21,827 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935442342] [2020-11-07 04:27:21,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:27:21,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:21,828 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:27:21,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:27:21,828 INFO L87 Difference]: Start difference. First operand 1983 states and 2119 transitions. Second operand 18 states. [2020-11-07 04:27:24,002 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:24,322 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:24,657 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:25,019 WARN L194 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:25,326 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:25,630 WARN L194 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:28,996 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:29,325 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:32,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:32,898 INFO L93 Difference]: Finished difference Result 6253 states and 7275 transitions. [2020-11-07 04:27:32,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-07 04:27:32,898 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 533 [2020-11-07 04:27:32,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:32,922 INFO L225 Difference]: With dead ends: 6253 [2020-11-07 04:27:32,922 INFO L226 Difference]: Without dead ends: 3976 [2020-11-07 04:27:32,934 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 204 GetRequests, 137 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1113 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=823, Invalid=3083, Unknown=0, NotChecked=0, Total=3906 [2020-11-07 04:27:32,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3976 states. [2020-11-07 04:27:34,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3976 to 2488. [2020-11-07 04:27:34,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2488 states. [2020-11-07 04:27:34,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2488 states and 2685 transitions. [2020-11-07 04:27:34,324 INFO L78 Accepts]: Start accepts. Automaton has 2488 states and 2685 transitions. Word has length 533 [2020-11-07 04:27:34,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:34,325 INFO L481 AbstractCegarLoop]: Abstraction has 2488 states and 2685 transitions. [2020-11-07 04:27:34,325 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:27:34,325 INFO L276 IsEmpty]: Start isEmpty. Operand 2488 states and 2685 transitions. [2020-11-07 04:27:34,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 544 [2020-11-07 04:27:34,335 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:34,335 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:27:34,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:27:34,335 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 04:27:34,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:34,336 INFO L82 PathProgramCache]: Analyzing trace with hash 1059177474, now seen corresponding path program 1 times [2020-11-07 04:27:34,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:34,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [862413140] [2020-11-07 04:27:34,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,673 WARN L194 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:34,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:34,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:34,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:34,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:34,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:27:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:34,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:34,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:34,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:34,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:34,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:27:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:27:34,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:27:34,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:34,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:34,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:34,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:34,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:34,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:34,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:34,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:34,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 341 [2020-11-07 04:27:35,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 04:27:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 354 [2020-11-07 04:27:35,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:35,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:35,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:35,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:35,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:35,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:35,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:35,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-11-07 04:27:35,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-11-07 04:27:35,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-11-07 04:27:35,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:35,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-11-07 04:27:35,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:35,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:35,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:35,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:35,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:35,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:35,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:27:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 529 [2020-11-07 04:27:35,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:35,318 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 133 proven. 41 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2020-11-07 04:27:35,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [862413140] [2020-11-07 04:27:35,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:35,319 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:27:35,319 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952299604] [2020-11-07 04:27:35,320 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:27:35,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:35,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:27:35,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:27:35,320 INFO L87 Difference]: Start difference. First operand 2488 states and 2685 transitions. Second operand 20 states. [2020-11-07 04:27:35,999 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:36,417 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:36,738 WARN L194 SmtUtils]: Spent 291.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:27:37,057 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:37,377 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:27:37,686 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:38,819 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:39,166 WARN L194 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:40,535 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:40,942 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:41,347 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:41,948 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:43,544 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:43,855 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:44,910 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:45,263 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:45,568 WARN L194 SmtUtils]: Spent 268.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:27:47,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:27:47,960 INFO L93 Difference]: Finished difference Result 5527 states and 6321 transitions. [2020-11-07 04:27:47,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-11-07 04:27:47,960 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 543 [2020-11-07 04:27:47,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:27:47,977 INFO L225 Difference]: With dead ends: 5527 [2020-11-07 04:27:47,977 INFO L226 Difference]: Without dead ends: 3416 [2020-11-07 04:27:47,985 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1340 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=932, Invalid=3898, Unknown=0, NotChecked=0, Total=4830 [2020-11-07 04:27:47,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3416 states. [2020-11-07 04:27:49,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3416 to 2458. [2020-11-07 04:27:49,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2458 states. [2020-11-07 04:27:49,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 2458 states and 2638 transitions. [2020-11-07 04:27:49,116 INFO L78 Accepts]: Start accepts. Automaton has 2458 states and 2638 transitions. Word has length 543 [2020-11-07 04:27:49,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:27:49,117 INFO L481 AbstractCegarLoop]: Abstraction has 2458 states and 2638 transitions. [2020-11-07 04:27:49,117 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:27:49,117 INFO L276 IsEmpty]: Start isEmpty. Operand 2458 states and 2638 transitions. [2020-11-07 04:27:49,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 545 [2020-11-07 04:27:49,127 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:27:49,127 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:27:49,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:27:49,127 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 04:27:49,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:27:49,128 INFO L82 PathProgramCache]: Analyzing trace with hash -966555993, now seen corresponding path program 1 times [2020-11-07 04:27:49,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:27:49,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [714118237] [2020-11-07 04:27:49,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:27:49,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,546 WARN L194 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:27:49,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:27:49,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:27:49,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:27:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:27:49,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:27:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:27:49,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:27:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:27:49,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:27:49,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:49,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:49,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:49,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:27:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:27:49,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:27:49,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:49,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:49,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:27:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:27:49,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-07 04:27:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:27:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:27:49,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:27:49,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:49,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:49,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:27:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:27:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:49,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2020-11-07 04:27:49,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-11-07 04:27:49,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-11-07 04:27:49,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:49,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:27:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:27:50,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:50,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:27:50,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:27:50,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:27:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:27:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:27:50,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 520 [2020-11-07 04:27:50,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 530 [2020-11-07 04:27:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:27:50,200 INFO L134 CoverageAnalysis]: Checked inductivity of 511 backedges. 144 proven. 37 refuted. 0 times theorem prover too weak. 330 trivial. 0 not checked. [2020-11-07 04:27:50,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [714118237] [2020-11-07 04:27:50,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:27:50,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:27:50,201 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815569199] [2020-11-07 04:27:50,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:27:50,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:27:50,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:27:50,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=292, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:27:50,202 INFO L87 Difference]: Start difference. First operand 2458 states and 2638 transitions. Second operand 19 states. [2020-11-07 04:27:50,850 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:27:53,338 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:53,677 WARN L194 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:54,351 WARN L194 SmtUtils]: Spent 579.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:27:54,683 WARN L194 SmtUtils]: Spent 272.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:27:55,268 WARN L194 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:27:55,595 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:27:56,162 WARN L194 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:27:56,516 WARN L194 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:56,866 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:27:57,187 WARN L194 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:27:57,537 WARN L194 SmtUtils]: Spent 302.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:00,156 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:00,545 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:04,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:04,667 INFO L93 Difference]: Finished difference Result 6024 states and 7039 transitions. [2020-11-07 04:28:04,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-11-07 04:28:04,668 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 544 [2020-11-07 04:28:04,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:04,690 INFO L225 Difference]: With dead ends: 6024 [2020-11-07 04:28:04,690 INFO L226 Difference]: Without dead ends: 4770 [2020-11-07 04:28:04,697 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 149 SyntacticMatches, 8 SemanticMatches, 79 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2111 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1162, Invalid=5318, Unknown=0, NotChecked=0, Total=6480 [2020-11-07 04:28:04,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4770 states. [2020-11-07 04:28:06,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4770 to 3058. [2020-11-07 04:28:06,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3058 states. [2020-11-07 04:28:06,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3058 states to 3058 states and 3290 transitions. [2020-11-07 04:28:06,315 INFO L78 Accepts]: Start accepts. Automaton has 3058 states and 3290 transitions. Word has length 544 [2020-11-07 04:28:06,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:06,316 INFO L481 AbstractCegarLoop]: Abstraction has 3058 states and 3290 transitions. [2020-11-07 04:28:06,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:28:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 3058 states and 3290 transitions. [2020-11-07 04:28:06,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2020-11-07 04:28:06,327 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:06,327 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:06,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:28:06,328 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 04:28:06,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:06,328 INFO L82 PathProgramCache]: Analyzing trace with hash 451086892, now seen corresponding path program 1 times [2020-11-07 04:28:06,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:06,329 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1692337117] [2020-11-07 04:28:06,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:06,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,741 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:06,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:06,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:06,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:06,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:06,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:06,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:06,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:06,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:28:06,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:06,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:06,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:06,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:06,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:06,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:06,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:06,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:28:06,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:06,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:28:07,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:28:07,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:07,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:07,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:07,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:07,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:07,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:07,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:07,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:07,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:07,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-07 04:28:07,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:28:07,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:28:07,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:07,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:07,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:07,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:07,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:28:07,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:07,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:28:07,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:28:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:28:07,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 458 [2020-11-07 04:28:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:07,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 472 [2020-11-07 04:28:07,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:07,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:07,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:07,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:07,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:07,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:07,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 535 [2020-11-07 04:28:07,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-11-07 04:28:07,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:07,414 INFO L134 CoverageAnalysis]: Checked inductivity of 556 backedges. 132 proven. 66 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2020-11-07 04:28:07,414 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1692337117] [2020-11-07 04:28:07,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:28:07,415 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:28:07,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367707954] [2020-11-07 04:28:07,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:28:07,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:07,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:28:07,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:28:07,416 INFO L87 Difference]: Start difference. First operand 3058 states and 3290 transitions. Second operand 19 states. [2020-11-07 04:28:08,127 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:09,943 WARN L194 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:10,881 WARN L194 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:11,225 WARN L194 SmtUtils]: Spent 294.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:11,906 WARN L194 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:28:12,250 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:12,862 WARN L194 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:28:13,201 WARN L194 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:13,788 WARN L194 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:28:14,436 WARN L194 SmtUtils]: Spent 566.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:28:15,103 WARN L194 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:28:15,752 WARN L194 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 212 [2020-11-07 04:28:16,060 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:19,288 WARN L194 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:19,632 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:21,352 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:22,459 WARN L194 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:22,847 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:23,453 WARN L194 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:28:23,762 WARN L194 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:28:24,382 WARN L194 SmtUtils]: Spent 580.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:28:24,696 WARN L194 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:28:25,286 WARN L194 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:28:25,630 WARN L194 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:28:25,998 WARN L194 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:28:26,375 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:28:34,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:34,497 INFO L93 Difference]: Finished difference Result 8478 states and 10089 transitions. [2020-11-07 04:28:34,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 114 states. [2020-11-07 04:28:34,497 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 559 [2020-11-07 04:28:34,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:34,520 INFO L225 Difference]: With dead ends: 8478 [2020-11-07 04:28:34,520 INFO L226 Difference]: Without dead ends: 6893 [2020-11-07 04:28:34,532 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 309 GetRequests, 180 SyntacticMatches, 7 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5694 ImplicationChecksByTransitivity, 13.0s TimeCoverageRelationStatistics Valid=2467, Invalid=12785, Unknown=0, NotChecked=0, Total=15252 [2020-11-07 04:28:34,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6893 states. [2020-11-07 04:28:36,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6893 to 3951. [2020-11-07 04:28:36,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3951 states. [2020-11-07 04:28:36,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3951 states to 3951 states and 4260 transitions. [2020-11-07 04:28:36,532 INFO L78 Accepts]: Start accepts. Automaton has 3951 states and 4260 transitions. Word has length 559 [2020-11-07 04:28:36,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:36,533 INFO L481 AbstractCegarLoop]: Abstraction has 3951 states and 4260 transitions. [2020-11-07 04:28:36,533 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:28:36,533 INFO L276 IsEmpty]: Start isEmpty. Operand 3951 states and 4260 transitions. [2020-11-07 04:28:36,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 647 [2020-11-07 04:28:36,545 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:36,545 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:36,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:28:36,546 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 04:28:36,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:36,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1925523510, now seen corresponding path program 2 times [2020-11-07 04:28:36,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:36,546 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127572206] [2020-11-07 04:28:36,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:36,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:36,927 WARN L194 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:36,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:36,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:36,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:36,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:36,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:36,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:36,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:36,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:36,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:36,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:36,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:36,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:36,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:28:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:37,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:37,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:37,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:37,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:37,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:37,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:28:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:28:37,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:28:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:37,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:37,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:37,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-11-07 04:28:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:28:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:28:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:37,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:28:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:28:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:28:37,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:37,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:28:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2020-11-07 04:28:37,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 540 [2020-11-07 04:28:37,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 545 [2020-11-07 04:28:37,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:37,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 559 [2020-11-07 04:28:37,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:37,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:37,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:37,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:37,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 622 [2020-11-07 04:28:37,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 632 [2020-11-07 04:28:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:37,869 INFO L134 CoverageAnalysis]: Checked inductivity of 877 backedges. 221 proven. 66 refuted. 0 times theorem prover too weak. 590 trivial. 0 not checked. [2020-11-07 04:28:37,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127572206] [2020-11-07 04:28:37,870 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:28:37,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:28:37,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697956181] [2020-11-07 04:28:37,871 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:28:37,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:37,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:28:37,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=326, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:28:37,871 INFO L87 Difference]: Start difference. First operand 3951 states and 4260 transitions. Second operand 20 states. [2020-11-07 04:28:38,529 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:39,561 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:40,752 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:41,749 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:42,088 WARN L194 SmtUtils]: Spent 296.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:42,727 WARN L194 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:28:43,067 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:43,660 WARN L194 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:28:43,990 WARN L194 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:44,565 WARN L194 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:28:50,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:28:50,970 INFO L93 Difference]: Finished difference Result 8216 states and 9453 transitions. [2020-11-07 04:28:50,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2020-11-07 04:28:50,971 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 646 [2020-11-07 04:28:50,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:28:50,996 INFO L225 Difference]: With dead ends: 8216 [2020-11-07 04:28:50,996 INFO L226 Difference]: Without dead ends: 5699 [2020-11-07 04:28:51,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 179 SyntacticMatches, 10 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1847 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=1091, Invalid=4459, Unknown=0, NotChecked=0, Total=5550 [2020-11-07 04:28:51,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5699 states. [2020-11-07 04:28:52,851 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5699 to 3790. [2020-11-07 04:28:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3790 states. [2020-11-07 04:28:52,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3790 states to 3790 states and 4057 transitions. [2020-11-07 04:28:52,858 INFO L78 Accepts]: Start accepts. Automaton has 3790 states and 4057 transitions. Word has length 646 [2020-11-07 04:28:52,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:28:52,859 INFO L481 AbstractCegarLoop]: Abstraction has 3790 states and 4057 transitions. [2020-11-07 04:28:52,859 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:28:52,859 INFO L276 IsEmpty]: Start isEmpty. Operand 3790 states and 4057 transitions. [2020-11-07 04:28:52,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-11-07 04:28:52,869 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:28:52,869 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:28:52,869 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-11-07 04:28:52,869 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 04:28:52,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:28:52,870 INFO L82 PathProgramCache]: Analyzing trace with hash -1117374275, now seen corresponding path program 2 times [2020-11-07 04:28:52,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:28:52,870 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [204159186] [2020-11-07 04:28:52,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:28:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,258 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:28:53,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:28:53,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:28:53,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:28:53,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:28:53,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:28:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:28:53,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:28:53,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:28:53,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:28:53,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:53,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:53,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:53,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:28:53,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:28:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:28:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:53,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:53,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:53,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:53,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:53,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 338 [2020-11-07 04:28:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:28:53,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:28:53,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:53,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:53,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:28:53,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:53,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:28:53,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:28:53,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:28:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:28:53,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:28:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:28:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:28:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2020-11-07 04:28:53,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 546 [2020-11-07 04:28:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-11-07 04:28:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-11-07 04:28:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:28:53,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2020-11-07 04:28:53,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:28:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:28:53,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:28:53,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:53,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:28:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:28:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-11-07 04:28:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:53,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2020-11-07 04:28:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:28:54,188 INFO L134 CoverageAnalysis]: Checked inductivity of 942 backedges. 201 proven. 100 refuted. 0 times theorem prover too weak. 641 trivial. 0 not checked. [2020-11-07 04:28:54,189 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [204159186] [2020-11-07 04:28:54,189 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:28:54,189 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:28:54,189 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690919961] [2020-11-07 04:28:54,190 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:28:54,190 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:28:54,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:28:54,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:28:54,191 INFO L87 Difference]: Start difference. First operand 3790 states and 4057 transitions. Second operand 20 states. [2020-11-07 04:28:54,879 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:55,861 WARN L194 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:57,120 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:28:58,018 WARN L194 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:58,359 WARN L194 SmtUtils]: Spent 295.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:28:59,005 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:28:59,339 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:28:59,957 WARN L194 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:29:00,287 WARN L194 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:00,877 WARN L194 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:29:05,201 WARN L194 SmtUtils]: Spent 249.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:29:06,100 WARN L194 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:29:06,440 WARN L194 SmtUtils]: Spent 299.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:29:07,049 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:29:07,682 WARN L194 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:29:08,274 WARN L194 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:29:15,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:15,186 INFO L93 Difference]: Finished difference Result 9050 states and 10435 transitions. [2020-11-07 04:29:15,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 89 states. [2020-11-07 04:29:15,186 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 661 [2020-11-07 04:29:15,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:15,207 INFO L225 Difference]: With dead ends: 9050 [2020-11-07 04:29:15,207 INFO L226 Difference]: Without dead ends: 6694 [2020-11-07 04:29:15,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 311 GetRequests, 202 SyntacticMatches, 9 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3676 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=2000, Invalid=8302, Unknown=0, NotChecked=0, Total=10302 [2020-11-07 04:29:15,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6694 states. [2020-11-07 04:29:17,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6694 to 4294. [2020-11-07 04:29:17,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4294 states. [2020-11-07 04:29:17,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4294 states to 4294 states and 4596 transitions. [2020-11-07 04:29:17,420 INFO L78 Accepts]: Start accepts. Automaton has 4294 states and 4596 transitions. Word has length 661 [2020-11-07 04:29:17,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:17,421 INFO L481 AbstractCegarLoop]: Abstraction has 4294 states and 4596 transitions. [2020-11-07 04:29:17,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:29:17,421 INFO L276 IsEmpty]: Start isEmpty. Operand 4294 states and 4596 transitions. [2020-11-07 04:29:17,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2020-11-07 04:29:17,436 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:29:17,436 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-07 04:29:17,436 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-11-07 04:29:17,436 INFO L429 AbstractCegarLoop]: === Iteration 20 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-07 04:29:17,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:29:17,437 INFO L82 PathProgramCache]: Analyzing trace with hash 1678294115, now seen corresponding path program 1 times [2020-11-07 04:29:17,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:29:17,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199948898] [2020-11-07 04:29:17,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:29:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:17,947 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:29:17,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:17,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:29:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:17,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:29:17,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:17,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:29:17,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:17,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:29:17,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:17,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:29:17,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:17,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:29:17,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:29:18,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:29:18,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:18,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:18,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:18,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:18,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:18,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2020-11-07 04:29:18,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-11-07 04:29:18,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 253 [2020-11-07 04:29:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:18,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:18,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:18,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:18,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:18,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:18,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-11-07 04:29:18,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:29:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-07 04:29:18,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:29:18,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:29:18,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:18,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:29:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:18,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:18,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:29:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:29:18,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:29:18,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2020-11-07 04:29:18,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:29:18,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2020-11-07 04:29:18,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 457 [2020-11-07 04:29:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:18,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:18,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:29:18,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:18,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:18,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-11-07 04:29:18,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:29:18,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 542 [2020-11-07 04:29:18,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2020-11-07 04:29:18,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 560 [2020-11-07 04:29:18,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:29:18,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 574 [2020-11-07 04:29:18,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:29:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:29:18,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:29:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:18,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:29:18,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:29:18,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-11-07 04:29:18,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 647 [2020-11-07 04:29:18,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:29:18,932 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 193 proven. 148 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2020-11-07 04:29:18,932 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199948898] [2020-11-07 04:29:18,932 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:29:18,932 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-11-07 04:29:18,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356684141] [2020-11-07 04:29:18,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-11-07 04:29:18,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:29:18,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-11-07 04:29:18,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=535, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:29:18,934 INFO L87 Difference]: Start difference. First operand 4294 states and 4596 transitions. Second operand 25 states. [2020-11-07 04:29:19,967 WARN L194 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 208 [2020-11-07 04:29:21,362 WARN L194 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 207 [2020-11-07 04:29:23,962 WARN L194 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:29:24,641 WARN L194 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 214 [2020-11-07 04:29:25,379 WARN L194 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:29:26,017 WARN L194 SmtUtils]: Spent 567.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 210 [2020-11-07 04:29:26,664 WARN L194 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:29:27,313 WARN L194 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 213 [2020-11-07 04:29:27,932 WARN L194 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 210 [2020-11-07 04:29:28,577 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:29:29,214 WARN L194 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:29:29,808 WARN L194 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 209 [2020-11-07 04:29:33,770 WARN L194 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 208 [2020-11-07 04:29:35,130 WARN L194 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 211 [2020-11-07 04:29:35,789 WARN L194 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 214 [2020-11-07 04:29:36,436 WARN L194 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:29:37,102 WARN L194 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 212 [2020-11-07 04:29:37,735 WARN L194 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 210 [2020-11-07 04:29:43,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:29:43,347 INFO L93 Difference]: Finished difference Result 8496 states and 9613 transitions. [2020-11-07 04:29:43,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2020-11-07 04:29:43,348 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 661 [2020-11-07 04:29:43,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:29:43,352 INFO L225 Difference]: With dead ends: 8496 [2020-11-07 04:29:43,352 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:29:43,372 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 187 SyntacticMatches, 11 SemanticMatches, 96 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3077 ImplicationChecksByTransitivity, 13.5s TimeCoverageRelationStatistics Valid=1218, Invalid=8288, Unknown=0, NotChecked=0, Total=9506 [2020-11-07 04:29:43,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:29:43,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:29:43,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:29:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:29:43,374 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 661 [2020-11-07 04:29:43,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:29:43,375 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:29:43,375 INFO L482 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-11-07 04:29:43,375 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:29:43,375 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:29:43,375 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-11-07 04:29:43,377 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:29:52,909 WARN L194 SmtUtils]: Spent 9.47 s on a formula simplification. DAG size of input: 1375 DAG size of output: 926 [2020-11-07 04:29:53,097 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 253 [2020-11-07 04:29:53,737 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:29:53,887 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:29:54,489 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 255 [2020-11-07 04:29:54,619 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 257 [2020-11-07 04:29:55,510 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 257 [2020-11-07 04:29:56,538 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 280 [2020-11-07 04:29:56,697 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 281 [2020-11-07 04:29:57,351 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 272 [2020-11-07 04:29:58,202 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 280 [2020-11-07 04:29:58,330 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 275 [2020-11-07 04:29:59,086 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 257 [2020-11-07 04:30:08,235 WARN L194 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 1375 DAG size of output: 926 [2020-11-07 04:30:08,667 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 270 [2020-11-07 04:30:08,807 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 283 [2020-11-07 04:30:09,044 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 277 [2020-11-07 04:30:11,258 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 262 [2020-11-07 04:30:11,755 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:30:12,008 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:30:12,392 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:30:14,286 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:30:19,547 WARN L194 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 1178 DAG size of output: 777 [2020-11-07 04:30:20,261 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 282 [2020-11-07 04:30:20,397 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 276 [2020-11-07 04:30:20,549 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 269 [2020-11-07 04:30:20,716 WARN L194 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2020-11-07 04:30:21,143 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 276 [2020-11-07 04:30:21,331 WARN L194 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 284 [2020-11-07 04:30:21,530 WARN L194 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 288 [2020-11-07 04:30:21,736 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 264 [2020-11-07 04:30:22,000 WARN L194 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 291 [2020-11-07 04:30:22,529 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 271 [2020-11-07 04:30:23,649 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:30:24,229 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 271 [2020-11-07 04:30:25,606 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:30:25,859 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:30:26,207 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:30:28,065 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:30:28,510 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:30:28,683 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:30:30,939 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 262 [2020-11-07 04:30:32,163 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:30:32,342 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:30:34,317 WARN L194 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 272 [2020-11-07 04:30:34,433 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 264 [2020-11-07 04:30:34,552 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 264 [2020-11-07 04:30:34,702 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-11-07 04:30:35,050 WARN L194 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 273 [2020-11-07 04:30:35,216 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-11-07 04:30:35,330 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 264 [2020-11-07 04:30:35,440 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-11-07 04:30:35,592 WARN L194 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 267 [2020-11-07 04:30:35,760 WARN L194 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 272 [2020-11-07 04:30:36,024 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 266 [2020-11-07 04:30:36,228 WARN L194 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 275 [2020-11-07 04:30:37,358 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 262 [2020-11-07 04:30:49,569 WARN L194 SmtUtils]: Spent 10.91 s on a formula simplification. DAG size of input: 1657 DAG size of output: 1092 [2020-11-07 04:30:55,266 WARN L194 SmtUtils]: Spent 5.27 s on a formula simplification. DAG size of input: 1178 DAG size of output: 777 [2020-11-07 04:30:56,400 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 258 [2020-11-07 04:31:02,602 WARN L194 SmtUtils]: Spent 5.57 s on a formula simplification. DAG size of input: 1178 DAG size of output: 777 [2020-11-07 04:31:03,814 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:31:03,957 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:31:15,990 WARN L194 SmtUtils]: Spent 11.41 s on a formula simplification. DAG size of input: 1657 DAG size of output: 1092 [2020-11-07 04:31:27,246 WARN L194 SmtUtils]: Spent 11.25 s on a formula simplification. DAG size of input: 1657 DAG size of output: 1092 [2020-11-07 04:31:28,081 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 36 [2020-11-07 04:31:28,195 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:28,499 WARN L194 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 248 [2020-11-07 04:31:28,817 WARN L194 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 248 [2020-11-07 04:31:28,973 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:29,088 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:29,279 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:29,413 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:29,676 WARN L194 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 248 [2020-11-07 04:31:29,947 WARN L194 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 248 [2020-11-07 04:31:30,062 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:30,175 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:30,338 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 33 [2020-11-07 04:31:30,446 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 33 [2020-11-07 04:31:30,642 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 263 [2020-11-07 04:31:30,745 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 263 [2020-11-07 04:31:30,923 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 267 [2020-11-07 04:31:31,105 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 267 [2020-11-07 04:31:31,219 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 34 [2020-11-07 04:31:31,330 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 36 [2020-11-07 04:31:31,443 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 34 [2020-11-07 04:31:31,551 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 36 [2020-11-07 04:31:31,747 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:31,861 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:32,525 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:32,642 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:32,757 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:32,873 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:32,987 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:33,102 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:33,361 WARN L194 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-11-07 04:31:33,592 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-11-07 04:31:33,711 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:31:33,820 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 36 [2020-11-07 04:31:45,128 WARN L194 SmtUtils]: Spent 11.30 s on a formula simplification. DAG size of input: 1657 DAG size of output: 1092 [2020-11-07 04:31:47,014 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:31:47,959 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:48,098 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:48,235 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:48,608 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:31:49,032 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:31:49,169 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:31:49,700 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:49,840 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:51,161 WARN L194 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:51,348 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:51,622 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:31:51,758 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:31:53,958 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-11-07 04:31:54,064 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 267 [2020-11-07 04:31:54,989 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:31:55,949 WARN L194 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 280 [2020-11-07 04:31:56,140 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 281 [2020-11-07 04:31:58,117 WARN L194 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:31:58,265 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:31:58,867 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:59,005 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:59,623 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:59,765 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:31:59,900 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:32:00,034 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:32:00,500 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 265 [2020-11-07 04:32:00,898 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:32:01,033 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:32:01,433 WARN L194 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:32:01,630 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:32:02,053 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:32:02,157 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:32:02,574 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:32:02,713 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:32:03,159 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:32:03,295 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:32:04,418 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:32:04,544 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:32:06,013 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:32:14,947 WARN L194 SmtUtils]: Spent 8.04 s on a formula simplification. DAG size of input: 1375 DAG size of output: 926 [2020-11-07 04:32:26,979 WARN L194 SmtUtils]: Spent 11.16 s on a formula simplification. DAG size of input: 1657 DAG size of output: 1092 [2020-11-07 04:32:30,852 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 266 [2020-11-07 04:32:31,004 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 277 [2020-11-07 04:32:31,438 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 273 [2020-11-07 04:32:31,624 WARN L194 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 279 [2020-11-07 04:32:31,824 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 283 [2020-11-07 04:32:32,047 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 269 [2020-11-07 04:32:32,291 WARN L194 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 284 [2020-11-07 04:32:32,811 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 268 [2020-11-07 04:32:34,432 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 268 [2020-11-07 04:32:35,633 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 280 [2020-11-07 04:32:35,762 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 275 [2020-11-07 04:32:37,173 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:32:37,431 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:32:42,483 WARN L194 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 273 [2020-11-07 04:32:42,933 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-11-07 04:32:43,141 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-07 04:32:43,529 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 267 [2020-11-07 04:32:44,035 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:32:44,904 WARN L194 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:32:45,165 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-11-07 04:32:45,478 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:32:46,408 WARN L194 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 273 [2020-11-07 04:32:46,863 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 262 [2020-11-07 04:32:47,072 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 264 [2020-11-07 04:32:47,450 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 267 [2020-11-07 04:32:47,958 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 267 [2020-11-07 04:32:48,814 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:32:49,080 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 265 [2020-11-07 04:32:54,079 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 36 [2020-11-07 04:32:54,195 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:54,501 WARN L194 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 248 [2020-11-07 04:32:54,816 WARN L194 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 248 [2020-11-07 04:32:54,969 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:55,084 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:55,279 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:55,414 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:55,683 WARN L194 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 248 [2020-11-07 04:32:55,958 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 248 [2020-11-07 04:32:56,078 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:56,193 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:56,361 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 33 [2020-11-07 04:32:56,470 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 33 [2020-11-07 04:32:56,662 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 263 [2020-11-07 04:32:56,765 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 263 [2020-11-07 04:32:56,951 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 267 [2020-11-07 04:32:57,131 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 267 [2020-11-07 04:32:57,243 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 34 [2020-11-07 04:32:57,353 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 36 [2020-11-07 04:32:57,465 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 34 [2020-11-07 04:32:57,576 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 36 [2020-11-07 04:32:57,779 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:57,901 WARN L194 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:58,561 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:58,677 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:58,794 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:58,910 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:59,022 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:59,135 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:59,384 WARN L194 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-11-07 04:32:59,617 WARN L194 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 243 [2020-11-07 04:32:59,733 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 37 [2020-11-07 04:32:59,841 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 36 [2020-11-07 04:33:11,776 WARN L194 SmtUtils]: Spent 11.14 s on a formula simplification. DAG size of input: 1657 DAG size of output: 1092 [2020-11-07 04:33:17,179 WARN L194 SmtUtils]: Spent 5.39 s on a formula simplification. DAG size of input: 1178 DAG size of output: 777 [2020-11-07 04:33:25,872 WARN L194 SmtUtils]: Spent 8.05 s on a formula simplification. DAG size of input: 1375 DAG size of output: 926 [2020-11-07 04:33:37,436 WARN L194 SmtUtils]: Spent 11.10 s on a formula simplification. DAG size of input: 1657 DAG size of output: 1092 [2020-11-07 04:33:38,166 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 268 [2020-11-07 04:33:38,758 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 271 [2020-11-07 04:33:54,015 WARN L194 SmtUtils]: Spent 14.94 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1103 [2020-11-07 04:33:54,386 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:33:54,646 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:33:55,872 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:33:56,008 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:33:56,145 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:33:56,280 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:33:58,877 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:33:59,041 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:34:06,986 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:34:07,167 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:34:16,655 WARN L194 SmtUtils]: Spent 7.20 s on a formula simplification. DAG size of input: 1301 DAG size of output: 875 [2020-11-07 04:34:29,395 WARN L194 SmtUtils]: Spent 11.07 s on a formula simplification. DAG size of input: 1657 DAG size of output: 1092 [2020-11-07 04:34:29,714 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:34:29,853 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:34:29,993 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:34:30,558 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:34:30,766 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:34:30,925 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:34:31,061 WARN L194 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:34:32,508 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:34:32,690 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:34:33,416 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:34:33,522 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:34:33,671 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:34:33,819 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:34:34,741 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:34:35,025 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:34:36,282 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:34:36,428 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 258 [2020-11-07 04:34:39,059 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 269 [2020-11-07 04:34:39,460 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:34:39,917 WARN L194 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 264 [2020-11-07 04:34:41,304 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2020-11-07 04:34:41,818 WARN L194 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 260 [2020-11-07 04:34:52,945 WARN L194 SmtUtils]: Spent 11.04 s on a formula simplification. DAG size of input: 1657 DAG size of output: 1092 [2020-11-07 04:34:54,550 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 260 [2020-11-07 04:34:54,965 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:34:55,225 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:35:02,079 WARN L194 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 1178 DAG size of output: 777 [2020-11-07 04:35:09,534 WARN L194 SmtUtils]: Spent 6.23 s on a formula simplification. DAG size of input: 1056 DAG size of output: 744 [2020-11-07 04:35:10,063 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 283 [2020-11-07 04:35:10,304 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 277 [2020-11-07 04:35:11,995 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 275 [2020-11-07 04:35:18,109 WARN L194 SmtUtils]: Spent 5.38 s on a formula simplification. DAG size of input: 1178 DAG size of output: 777 [2020-11-07 04:35:18,358 WARN L194 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:35:18,494 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:35:18,634 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:35:20,000 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:35:20,144 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:35:20,728 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:35:20,835 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:35:20,984 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:35:21,131 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 265 [2020-11-07 04:35:21,745 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:35:22,028 WARN L194 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 265 [2020-11-07 04:35:22,409 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 261 [2020-11-07 04:35:22,663 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 263 [2020-11-07 04:35:23,747 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 282 [2020-11-07 04:35:23,942 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 269 [2020-11-07 04:35:24,108 WARN L194 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 282 [2020-11-07 04:35:24,536 WARN L194 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 276 [2020-11-07 04:35:24,722 WARN L194 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 284 [2020-11-07 04:35:24,923 WARN L194 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 288 [2020-11-07 04:35:25,395 WARN L194 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 291 [2020-11-07 04:35:25,922 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 271 [2020-11-07 04:35:27,613 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 271 [2020-11-07 04:35:42,119 WARN L194 SmtUtils]: Spent 14.46 s on a formula simplification. DAG size of input: 750 DAG size of output: 50 [2020-11-07 04:35:46,310 WARN L194 SmtUtils]: Spent 4.17 s on a formula simplification. DAG size of input: 265 DAG size of output: 45 [2020-11-07 04:35:46,516 WARN L194 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 1 [2020-11-07 04:35:48,882 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 243 DAG size of output: 51 [2020-11-07 04:35:51,525 WARN L194 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 307 DAG size of output: 47 [2020-11-07 04:35:52,651 WARN L194 SmtUtils]: Spent 1.12 s on a formula simplification. DAG size of input: 235 DAG size of output: 41 [2020-11-07 04:35:56,114 WARN L194 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 283 DAG size of output: 54 [2020-11-07 04:35:59,575 WARN L194 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 228 DAG size of output: 39 [2020-11-07 04:36:13,987 WARN L194 SmtUtils]: Spent 14.36 s on a formula simplification. DAG size of input: 750 DAG size of output: 50 [2020-11-07 04:36:16,750 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 274 DAG size of output: 43 [2020-11-07 04:36:18,682 WARN L194 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 238 DAG size of output: 51 [2020-11-07 04:36:18,994 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2020-11-07 04:36:20,220 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 419 DAG size of output: 1 [2020-11-07 04:36:31,832 WARN L194 SmtUtils]: Spent 11.59 s on a formula simplification. DAG size of input: 616 DAG size of output: 52 [2020-11-07 04:36:32,591 WARN L194 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 23 [2020-11-07 04:36:34,223 WARN L194 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 228 DAG size of output: 30 [2020-11-07 04:36:39,937 WARN L194 SmtUtils]: Spent 5.66 s on a formula simplification. DAG size of input: 503 DAG size of output: 61 [2020-11-07 04:36:41,902 WARN L194 SmtUtils]: Spent 1.96 s on a formula simplification. DAG size of input: 251 DAG size of output: 44 [2020-11-07 04:36:43,153 WARN L194 SmtUtils]: Spent 1.22 s on a formula simplification. DAG size of input: 419 DAG size of output: 1 [2020-11-07 04:36:43,343 WARN L194 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 27 [2020-11-07 04:36:46,456 WARN L194 SmtUtils]: Spent 3.10 s on a formula simplification. DAG size of input: 259 DAG size of output: 43 [2020-11-07 04:36:50,178 WARN L194 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 235 DAG size of output: 47 [2020-11-07 04:36:50,436 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 27 [2020-11-07 04:36:50,803 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2020-11-07 04:36:53,864 WARN L194 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 209 DAG size of output: 46 [2020-11-07 04:36:54,982 WARN L194 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 209 DAG size of output: 47 [2020-11-07 04:36:56,038 WARN L194 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 246 DAG size of output: 1 [2020-11-07 04:36:58,335 WARN L194 SmtUtils]: Spent 2.25 s on a formula simplification. DAG size of input: 257 DAG size of output: 77 [2020-11-07 04:37:00,545 WARN L194 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 264 DAG size of output: 83 [2020-11-07 04:37:00,764 WARN L194 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 1 [2020-11-07 04:37:03,082 WARN L194 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 320 DAG size of output: 40 [2020-11-07 04:37:06,024 WARN L194 SmtUtils]: Spent 2.92 s on a formula simplification. DAG size of input: 206 DAG size of output: 41 [2020-11-07 04:37:09,129 WARN L194 SmtUtils]: Spent 3.08 s on a formula simplification. DAG size of input: 209 DAG size of output: 44 [2020-11-07 04:37:10,468 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 169 DAG size of output: 25 [2020-11-07 04:37:13,368 WARN L194 SmtUtils]: Spent 2.89 s on a formula simplification. DAG size of input: 206 DAG size of output: 41 [2020-11-07 04:37:35,458 WARN L194 SmtUtils]: Spent 22.06 s on a formula simplification. DAG size of input: 890 DAG size of output: 57 [2020-11-07 04:37:37,020 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 276 DAG size of output: 54 [2020-11-07 04:37:48,715 WARN L194 SmtUtils]: Spent 11.69 s on a formula simplification. DAG size of input: 616 DAG size of output: 52 [2020-11-07 04:37:51,810 WARN L194 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 209 DAG size of output: 44 [2020-11-07 04:37:52,098 WARN L194 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 22 [2020-11-07 04:37:52,342 WARN L194 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 224 DAG size of output: 1 [2020-11-07 04:38:04,016 WARN L194 SmtUtils]: Spent 11.67 s on a formula simplification. DAG size of input: 616 DAG size of output: 52 [2020-11-07 04:38:05,374 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 268 DAG size of output: 46 [2020-11-07 04:38:07,722 WARN L194 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 249 DAG size of output: 47 [2020-11-07 04:38:11,941 WARN L194 SmtUtils]: Spent 4.21 s on a formula simplification. DAG size of input: 265 DAG size of output: 45 [2020-11-07 04:38:12,565 WARN L194 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27