/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_product54.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-7d8eed3 [2020-11-07 04:33:56,428 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-07 04:33:56,432 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-07 04:33:56,486 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-07 04:33:56,487 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-07 04:33:56,491 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-07 04:33:56,495 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-07 04:33:56,503 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-07 04:33:56,506 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-07 04:33:56,513 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-07 04:33:56,514 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-07 04:33:56,516 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-07 04:33:56,516 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-07 04:33:56,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-07 04:33:56,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-07 04:33:56,523 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-07 04:33:56,524 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-07 04:33:56,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-07 04:33:56,534 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-07 04:33:56,549 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-07 04:33:56,551 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-07 04:33:56,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-07 04:33:56,554 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-07 04:33:56,557 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-07 04:33:56,566 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-07 04:33:56,567 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-07 04:33:56,567 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-07 04:33:56,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-07 04:33:56,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-07 04:33:56,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-07 04:33:56,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-07 04:33:56,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-07 04:33:56,578 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-07 04:33:56,579 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-07 04:33:56,580 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-07 04:33:56,580 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-07 04:33:56,581 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-07 04:33:56,581 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-07 04:33:56,582 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-07 04:33:56,582 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-07 04:33:56,583 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-07 04:33:56,584 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 04:33:56,610 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-07 04:33:56,610 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-07 04:33:56,615 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-07 04:33:56,615 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-07 04:33:56,615 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-07 04:33:56,615 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-07 04:33:56,616 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-07 04:33:56,616 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-07 04:33:56,616 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-07 04:33:56,616 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-07 04:33:56,617 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-07 04:33:56,618 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-07 04:33:56,618 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-07 04:33:56,618 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-07 04:33:56,619 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-07 04:33:56,619 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-11-07 04:33:56,619 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-07 04:33:56,619 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-07 04:33:56,619 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-07 04:33:56,620 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-07 04:33:56,620 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-11-07 04:33:56,620 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-07 04:33:56,620 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-11-07 04:33:57,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-07 04:33:57,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-07 04:33:57,091 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-07 04:33:57,094 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-07 04:33:57,094 INFO L275 PluginConnector]: CDTParser initialized [2020-11-07 04:33:57,095 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-11-07 04:33:57,182 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3e47719/d19476f665504f0db67661780e4e46ab/FLAG614a11d15 [2020-11-07 04:33:57,813 INFO L306 CDTParser]: Found 1 translation units. [2020-11-07 04:33:57,817 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product54.cil.c [2020-11-07 04:33:57,837 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3e47719/d19476f665504f0db67661780e4e46ab/FLAG614a11d15 [2020-11-07 04:33:58,091 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2f3e47719/d19476f665504f0db67661780e4e46ab [2020-11-07 04:33:58,094 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-07 04:33:58,102 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-11-07 04:33:58,107 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-07 04:33:58,107 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-07 04:33:58,112 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-07 04:33:58,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:33:58" (1/1) ... [2020-11-07 04:33:58,116 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193b93ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58, skipping insertion in model container [2020-11-07 04:33:58,117 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 04:33:58" (1/1) ... [2020-11-07 04:33:58,126 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-07 04:33:58,200 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-07 04:33:58,595 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:33:58,607 INFO L203 MainTranslator]: Completed pre-run [2020-11-07 04:33:58,734 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-07 04:33:58,776 INFO L208 MainTranslator]: Completed translation [2020-11-07 04:33:58,776 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58 WrapperNode [2020-11-07 04:33:58,777 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-07 04:33:58,778 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-07 04:33:58,778 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-07 04:33:58,778 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-07 04:33:58,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58" (1/1) ... [2020-11-07 04:33:58,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58" (1/1) ... [2020-11-07 04:33:58,810 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58" (1/1) ... [2020-11-07 04:33:58,811 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58" (1/1) ... [2020-11-07 04:33:58,857 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58" (1/1) ... [2020-11-07 04:33:58,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58" (1/1) ... [2020-11-07 04:33:58,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58" (1/1) ... [2020-11-07 04:33:58,879 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-07 04:33:58,880 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-07 04:33:58,880 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-07 04:33:58,880 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-07 04:33:58,881 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58" (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 04:33:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-11-07 04:33:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-07 04:33:58,952 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-11-07 04:33:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-11-07 04:33:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:33:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:33:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:33:58,953 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-11-07 04:33:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-11-07 04:33:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-11-07 04:33:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-11-07 04:33:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-11-07 04:33:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-11-07 04:33:58,954 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-11-07 04:33:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-11-07 04:33:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-11-07 04:33:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-11-07 04:33:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-11-07 04:33:58,955 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-11-07 04:33:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-11-07 04:33:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-11-07 04:33:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-11-07 04:33:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-11-07 04:33:58,956 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:33:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-07 04:33:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-11-07 04:33:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-11-07 04:33:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-11-07 04:33:58,957 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-11-07 04:33:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-11-07 04:33:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-11-07 04:33:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-11-07 04:33:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-11-07 04:33:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-11-07 04:33:58,958 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-11-07 04:33:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-11-07 04:33:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-11-07 04:33:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-11-07 04:33:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-11-07 04:33:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-11-07 04:33:58,959 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-11-07 04:33:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-11-07 04:33:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-11-07 04:33:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-11-07 04:33:58,960 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-11-07 04:33:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-11-07 04:33:58,960 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-11-07 04:33:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-11-07 04:33:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-07 04:33:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-11-07 04:33:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-11-07 04:33:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-11-07 04:33:58,961 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-11-07 04:33:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-11-07 04:33:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-11-07 04:33:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-11-07 04:33:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-11-07 04:33:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-11-07 04:33:58,962 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-11-07 04:33:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-11-07 04:33:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-11-07 04:33:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-11-07 04:33:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-11-07 04:33:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-11-07 04:33:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-11-07 04:33:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-11-07 04:33:58,963 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-11-07 04:33:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-11-07 04:33:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-11-07 04:33:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-11-07 04:33:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-11-07 04:33:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-11-07 04:33:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-11-07 04:33:58,964 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-11-07 04:33:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-11-07 04:33:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-11-07 04:33:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-11-07 04:33:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-11-07 04:33:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-11-07 04:33:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-11-07 04:33:58,965 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-11-07 04:33:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-11-07 04:33:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-11-07 04:33:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-11-07 04:33:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-11-07 04:33:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-11-07 04:33:58,966 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-11-07 04:33:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-11-07 04:33:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-11-07 04:33:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-07 04:33:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-11-07 04:33:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-07 04:33:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-11-07 04:33:58,967 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-11-07 04:33:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-07 04:33:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-11-07 04:33:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-11-07 04:33:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-07 04:33:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-11-07 04:33:58,968 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-11-07 04:33:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-11-07 04:33:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-11-07 04:33:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-07 04:33:58,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-07 04:34:00,299 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-07 04:34:00,299 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-11-07 04:34:00,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:34:00 BoogieIcfgContainer [2020-11-07 04:34:00,303 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-07 04:34:00,304 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-07 04:34:00,305 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-07 04:34:00,308 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-07 04:34:00,309 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 04:33:58" (1/3) ... [2020-11-07 04:34:00,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9b6b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:34:00, skipping insertion in model container [2020-11-07 04:34:00,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 04:33:58" (2/3) ... [2020-11-07 04:34:00,310 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b9b6b18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 04:34:00, skipping insertion in model container [2020-11-07 04:34:00,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 04:34:00" (3/3) ... [2020-11-07 04:34:00,312 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product54.cil.c [2020-11-07 04:34:00,328 INFO L179 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-11-07 04:34:00,333 INFO L191 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-11-07 04:34:00,345 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-11-07 04:34:00,371 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-07 04:34:00,371 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-07 04:34:00,371 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-11-07 04:34:00,371 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-07 04:34:00,372 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-07 04:34:00,372 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-07 04:34:00,372 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-07 04:34:00,372 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-07 04:34:00,397 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states. [2020-11-07 04:34:00,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2020-11-07 04:34:00,419 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:34:00,421 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 04:34:00,421 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 04:34:00,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:34:00,428 INFO L82 PathProgramCache]: Analyzing trace with hash 401473132, now seen corresponding path program 1 times [2020-11-07 04:34:00,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:34:00,438 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1832312956] [2020-11-07 04:34:00,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:34:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,238 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:34:01,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:01,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:34:01,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:34:01,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:34:01,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:34:01,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:34:01,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-11-07 04:34:01,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:01,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-11-07 04:34:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2020-11-07 04:34:01,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:01,492 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-11-07 04:34:01,493 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1832312956] [2020-11-07 04:34:01,495 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:34:01,496 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-11-07 04:34:01,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473089753] [2020-11-07 04:34:01,503 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-07 04:34:01,504 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:34:01,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-07 04:34:01,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-07 04:34:01,521 INFO L87 Difference]: Start difference. First operand 363 states. Second operand 4 states. [2020-11-07 04:34:03,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:34:03,496 INFO L93 Difference]: Finished difference Result 579 states and 677 transitions. [2020-11-07 04:34:03,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-07 04:34:03,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2020-11-07 04:34:03,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:34:03,523 INFO L225 Difference]: With dead ends: 579 [2020-11-07 04:34:03,524 INFO L226 Difference]: Without dead ends: 357 [2020-11-07 04:34:03,530 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 04:34:03,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2020-11-07 04:34:03,731 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 309. [2020-11-07 04:34:03,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2020-11-07 04:34:03,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 337 transitions. [2020-11-07 04:34:03,738 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 337 transitions. Word has length 166 [2020-11-07 04:34:03,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:34:03,739 INFO L481 AbstractCegarLoop]: Abstraction has 309 states and 337 transitions. [2020-11-07 04:34:03,739 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-07 04:34:03,739 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 337 transitions. [2020-11-07 04:34:03,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-11-07 04:34:03,745 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:34:03,745 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 04:34:03,745 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-07 04:34:03,746 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 04:34:03,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:34:03,746 INFO L82 PathProgramCache]: Analyzing trace with hash -1999582169, now seen corresponding path program 1 times [2020-11-07 04:34:03,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:34:03,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [778877397] [2020-11-07 04:34:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:34:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,275 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:34:04,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:34:04,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:34:04,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:34:04,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:34:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:34:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:34:04,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:04,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:34:04,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:34:04,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:04,434 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 04:34:04,435 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [778877397] [2020-11-07 04:34:04,435 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:34:04,435 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-11-07 04:34:04,436 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733810425] [2020-11-07 04:34:04,438 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-11-07 04:34:04,440 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:34:04,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-11-07 04:34:04,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-11-07 04:34:04,441 INFO L87 Difference]: Start difference. First operand 309 states and 337 transitions. Second operand 5 states. [2020-11-07 04:34:05,309 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:06,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:34:06,875 INFO L93 Difference]: Finished difference Result 501 states and 565 transitions. [2020-11-07 04:34:06,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-11-07 04:34:06,876 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 167 [2020-11-07 04:34:06,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:34:06,883 INFO L225 Difference]: With dead ends: 501 [2020-11-07 04:34:06,883 INFO L226 Difference]: Without dead ends: 346 [2020-11-07 04:34:06,885 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-11-07 04:34:06,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 346 states. [2020-11-07 04:34:07,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 346 to 299. [2020-11-07 04:34:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-07 04:34:07,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 324 transitions. [2020-11-07 04:34:07,021 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 324 transitions. Word has length 167 [2020-11-07 04:34:07,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:34:07,021 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 324 transitions. [2020-11-07 04:34:07,021 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-11-07 04:34:07,022 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 324 transitions. [2020-11-07 04:34:07,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2020-11-07 04:34:07,025 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:34:07,025 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 04:34:07,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-07 04:34:07,026 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 04:34:07,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:34:07,026 INFO L82 PathProgramCache]: Analyzing trace with hash -1254989826, now seen corresponding path program 1 times [2020-11-07 04:34:07,027 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:34:07,027 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1520851009] [2020-11-07 04:34:07,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:34:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,682 WARN L194 SmtUtils]: Spent 479.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:34:07,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:34:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:34:07,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:34:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:34:07,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:34:07,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:34:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:34:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 156 [2020-11-07 04:34:07,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 166 [2020-11-07 04:34:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:07,956 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 04:34:07,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1520851009] [2020-11-07 04:34:07,958 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:34:07,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:34:07,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010524136] [2020-11-07 04:34:07,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:34:07,961 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:34:07,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:34:07,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:34:07,962 INFO L87 Difference]: Start difference. First operand 299 states and 324 transitions. Second operand 11 states. [2020-11-07 04:34:08,677 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:34:09,223 WARN L194 SmtUtils]: Spent 420.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:34:09,638 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:34:10,030 WARN L194 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:10,423 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:34:10,810 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:13,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:34:13,272 INFO L93 Difference]: Finished difference Result 548 states and 630 transitions. [2020-11-07 04:34:13,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:34:13,272 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 180 [2020-11-07 04:34:13,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:34:13,277 INFO L225 Difference]: With dead ends: 548 [2020-11-07 04:34:13,277 INFO L226 Difference]: Without dead ends: 369 [2020-11-07 04:34:13,279 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=127, Invalid=293, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:34:13,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2020-11-07 04:34:13,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 299. [2020-11-07 04:34:13,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 299 states. [2020-11-07 04:34:13,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 323 transitions. [2020-11-07 04:34:13,439 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 323 transitions. Word has length 180 [2020-11-07 04:34:13,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:34:13,441 INFO L481 AbstractCegarLoop]: Abstraction has 299 states and 323 transitions. [2020-11-07 04:34:13,441 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:34:13,441 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 323 transitions. [2020-11-07 04:34:13,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2020-11-07 04:34:13,446 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:34:13,446 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] [2020-11-07 04:34:13,446 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-11-07 04:34:13,447 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 04:34:13,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:34:13,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1233429295, now seen corresponding path program 1 times [2020-11-07 04:34:13,448 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:34:13,449 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1718053219] [2020-11-07 04:34:13,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:34:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,030 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:34:14,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:14,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:34:14,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:34:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:34:14,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:34:14,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:34:14,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:34:14,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:34:14,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:34:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:14,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:14,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-11-07 04:34:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 184 [2020-11-07 04:34:14,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:14,244 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 04:34:14,245 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1718053219] [2020-11-07 04:34:14,245 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:34:14,245 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:34:14,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096877494] [2020-11-07 04:34:14,248 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:34:14,249 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:34:14,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:34:14,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:34:14,250 INFO L87 Difference]: Start difference. First operand 299 states and 323 transitions. Second operand 8 states. [2020-11-07 04:34:14,938 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:34:17,410 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:18,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:34:18,624 INFO L93 Difference]: Finished difference Result 745 states and 884 transitions. [2020-11-07 04:34:18,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-11-07 04:34:18,626 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 198 [2020-11-07 04:34:18,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:34:18,632 INFO L225 Difference]: With dead ends: 745 [2020-11-07 04:34:18,632 INFO L226 Difference]: Without dead ends: 566 [2020-11-07 04:34:18,634 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 94 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=138, Invalid=368, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:34:18,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2020-11-07 04:34:18,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 426. [2020-11-07 04:34:18,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2020-11-07 04:34:18,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 460 transitions. [2020-11-07 04:34:18,806 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 460 transitions. Word has length 198 [2020-11-07 04:34:18,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:34:18,807 INFO L481 AbstractCegarLoop]: Abstraction has 426 states and 460 transitions. [2020-11-07 04:34:18,807 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:34:18,807 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 460 transitions. [2020-11-07 04:34:18,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-07 04:34:18,810 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:34:18,811 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] [2020-11-07 04:34:18,811 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-11-07 04:34:18,811 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 04:34:18,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:34:18,812 INFO L82 PathProgramCache]: Analyzing trace with hash 1149252770, now seen corresponding path program 1 times [2020-11-07 04:34:18,812 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:34:18,812 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626061684] [2020-11-07 04:34:18,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:34:18,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,213 WARN L194 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:34:19,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:19,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:34:19,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:34:19,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:34:19,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:34:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:34:19,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:34:19,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:34:19,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:19,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:34:19,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:19,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:19,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:19,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:34:19,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:34:19,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-11-07 04:34:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-07 04:34:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:19,541 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 04:34:19,541 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626061684] [2020-11-07 04:34:19,541 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:34:19,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2020-11-07 04:34:19,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231464370] [2020-11-07 04:34:19,542 INFO L461 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-11-07 04:34:19,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:34:19,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-11-07 04:34:19,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=154, Unknown=0, NotChecked=0, Total=182 [2020-11-07 04:34:19,544 INFO L87 Difference]: Start difference. First operand 426 states and 460 transitions. Second operand 14 states. [2020-11-07 04:34:20,344 WARN L194 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:20,750 WARN L194 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:34:21,136 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:21,522 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:34:21,900 WARN L194 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:23,233 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:23,620 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:34:24,035 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:24,442 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:34:24,814 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:26,837 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:34:26,838 INFO L93 Difference]: Finished difference Result 875 states and 1030 transitions. [2020-11-07 04:34:26,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-11-07 04:34:26,838 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 222 [2020-11-07 04:34:26,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:34:26,843 INFO L225 Difference]: With dead ends: 875 [2020-11-07 04:34:26,843 INFO L226 Difference]: Without dead ends: 569 [2020-11-07 04:34:26,845 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=172, Invalid=584, Unknown=0, NotChecked=0, Total=756 [2020-11-07 04:34:26,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-11-07 04:34:27,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 432. [2020-11-07 04:34:27,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2020-11-07 04:34:27,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 466 transitions. [2020-11-07 04:34:27,016 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 466 transitions. Word has length 222 [2020-11-07 04:34:27,017 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:34:27,017 INFO L481 AbstractCegarLoop]: Abstraction has 432 states and 466 transitions. [2020-11-07 04:34:27,017 INFO L482 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-11-07 04:34:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 466 transitions. [2020-11-07 04:34:27,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2020-11-07 04:34:27,020 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:34:27,021 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] [2020-11-07 04:34:27,021 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-11-07 04:34:27,021 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 04:34:27,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:34:27,022 INFO L82 PathProgramCache]: Analyzing trace with hash 1211581506, now seen corresponding path program 1 times [2020-11-07 04:34:27,022 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:34:27,022 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1595183196] [2020-11-07 04:34:27,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:34:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,453 WARN L194 SmtUtils]: Spent 323.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:34:27,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:34:27,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:34:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:34:27,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:34:27,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:34:27,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:34:27,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:34:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:27,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:34:27,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:27,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:27,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:27,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:34:27,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:34:27,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 198 [2020-11-07 04:34:27,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 208 [2020-11-07 04:34:27,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:27,680 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 04:34:27,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1595183196] [2020-11-07 04:34:27,681 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:34:27,681 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:34:27,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1656579423] [2020-11-07 04:34:27,682 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:34:27,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:34:27,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:34:27,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:34:27,683 INFO L87 Difference]: Start difference. First operand 432 states and 466 transitions. Second operand 11 states. [2020-11-07 04:34:28,403 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:34:29,521 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:29,916 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:34:31,115 WARN L194 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:34:31,575 WARN L194 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:32,024 WARN L194 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:32,920 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:33,305 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:34:33,674 WARN L194 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:34,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:34:34,992 INFO L93 Difference]: Finished difference Result 881 states and 1023 transitions. [2020-11-07 04:34:34,993 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-11-07 04:34:34,993 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 222 [2020-11-07 04:34:34,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:34:34,997 INFO L225 Difference]: With dead ends: 881 [2020-11-07 04:34:34,998 INFO L226 Difference]: Without dead ends: 569 [2020-11-07 04:34:35,000 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 147 ImplicationChecksByTransitivity, 3.9s TimeCoverageRelationStatistics Valid=248, Invalid=622, Unknown=0, NotChecked=0, Total=870 [2020-11-07 04:34:35,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2020-11-07 04:34:35,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 431. [2020-11-07 04:34:35,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 431 states. [2020-11-07 04:34:35,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 431 states to 431 states and 463 transitions. [2020-11-07 04:34:35,204 INFO L78 Accepts]: Start accepts. Automaton has 431 states and 463 transitions. Word has length 222 [2020-11-07 04:34:35,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:34:35,204 INFO L481 AbstractCegarLoop]: Abstraction has 431 states and 463 transitions. [2020-11-07 04:34:35,204 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:34:35,204 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 463 transitions. [2020-11-07 04:34:35,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-07 04:34:35,208 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:34:35,208 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] [2020-11-07 04:34:35,209 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-11-07 04:34:35,209 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 04:34:35,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:34:35,210 INFO L82 PathProgramCache]: Analyzing trace with hash 300550162, now seen corresponding path program 1 times [2020-11-07 04:34:35,210 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:34:35,215 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1743657161] [2020-11-07 04:34:35,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:34:35,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,626 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:34:35,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:35,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:34:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:34:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:34:35,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:34:35,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:34:35,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:34:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:34:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:35,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:34:35,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:35,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:35,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:35,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:34:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:34:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 04:34:35,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-07 04:34:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:35,897 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 04:34:35,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1743657161] [2020-11-07 04:34:35,898 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:34:35,899 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-11-07 04:34:35,899 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457070912] [2020-11-07 04:34:35,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-11-07 04:34:35,900 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:34:35,900 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-11-07 04:34:35,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-11-07 04:34:35,901 INFO L87 Difference]: Start difference. First operand 431 states and 463 transitions. Second operand 11 states. [2020-11-07 04:34:37,644 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:38,042 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:34:38,453 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:34:38,858 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:39,258 WARN L194 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:34:39,629 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:34:41,320 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:34:41,321 INFO L93 Difference]: Finished difference Result 882 states and 1020 transitions. [2020-11-07 04:34:41,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-11-07 04:34:41,322 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 223 [2020-11-07 04:34:41,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:34:41,326 INFO L225 Difference]: With dead ends: 882 [2020-11-07 04:34:41,326 INFO L226 Difference]: Without dead ends: 571 [2020-11-07 04:34:41,328 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2020-11-07 04:34:41,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 571 states. [2020-11-07 04:34:41,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 571 to 439. [2020-11-07 04:34:41,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-11-07 04:34:41,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 471 transitions. [2020-11-07 04:34:41,555 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 471 transitions. Word has length 223 [2020-11-07 04:34:41,556 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:34:41,556 INFO L481 AbstractCegarLoop]: Abstraction has 439 states and 471 transitions. [2020-11-07 04:34:41,556 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-11-07 04:34:41,556 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 471 transitions. [2020-11-07 04:34:41,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 224 [2020-11-07 04:34:41,558 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:34:41,558 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] [2020-11-07 04:34:41,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-11-07 04:34:41,558 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 04:34:41,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:34:41,559 INFO L82 PathProgramCache]: Analyzing trace with hash 280933333, now seen corresponding path program 1 times [2020-11-07 04:34:41,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:34:41,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [713781565] [2020-11-07 04:34:41,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:34:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:41,917 WARN L194 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:34:41,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:41,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:41,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:34:41,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:41,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:34:41,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:41,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:34:41,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:41,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:34:41,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:41,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:34:41,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:41,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-11-07 04:34:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:34:42,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:42,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-11-07 04:34:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:42,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:42,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:42,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:34:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:34:42,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 199 [2020-11-07 04:34:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 209 [2020-11-07 04:34:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:42,176 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 04:34:42,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [713781565] [2020-11-07 04:34:42,177 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:34:42,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-11-07 04:34:42,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1547058253] [2020-11-07 04:34:42,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-11-07 04:34:42,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:34:42,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-11-07 04:34:42,178 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-11-07 04:34:42,178 INFO L87 Difference]: Start difference. First operand 439 states and 471 transitions. Second operand 8 states. [2020-11-07 04:34:42,872 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:34:43,692 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:34:47,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:34:47,174 INFO L93 Difference]: Finished difference Result 1231 states and 1477 transitions. [2020-11-07 04:34:47,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-11-07 04:34:47,175 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 223 [2020-11-07 04:34:47,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:34:47,181 INFO L225 Difference]: With dead ends: 1231 [2020-11-07 04:34:47,182 INFO L226 Difference]: Without dead ends: 912 [2020-11-07 04:34:47,184 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 45 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2020-11-07 04:34:47,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 912 states. [2020-11-07 04:34:47,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 912 to 704. [2020-11-07 04:34:47,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 704 states. [2020-11-07 04:34:47,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 704 states to 704 states and 775 transitions. [2020-11-07 04:34:47,460 INFO L78 Accepts]: Start accepts. Automaton has 704 states and 775 transitions. Word has length 223 [2020-11-07 04:34:47,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:34:47,461 INFO L481 AbstractCegarLoop]: Abstraction has 704 states and 775 transitions. [2020-11-07 04:34:47,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-11-07 04:34:47,461 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 775 transitions. [2020-11-07 04:34:47,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2020-11-07 04:34:47,463 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:34:47,463 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] [2020-11-07 04:34:47,464 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-11-07 04:34:47,464 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 04:34:47,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:34:47,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1866390823, now seen corresponding path program 1 times [2020-11-07 04:34:47,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:34:47,465 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [918154293] [2020-11-07 04:34:47,465 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:34:47,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:47,974 WARN L194 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:34:47,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:34:48,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:34:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:34:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:34:48,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:34:48,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:34:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:34:48,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:34:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:34:48,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-11-07 04:34:48,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:48,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:48,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:34:48,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:34:48,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:34:48,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 204 [2020-11-07 04:34:48,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-11-07 04:34:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:34:48,279 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 04:34:48,279 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [918154293] [2020-11-07 04:34:48,279 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-07 04:34:48,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2020-11-07 04:34:48,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478136234] [2020-11-07 04:34:48,280 INFO L461 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-11-07 04:34:48,280 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:34:48,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-11-07 04:34:48,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2020-11-07 04:34:48,281 INFO L87 Difference]: Start difference. First operand 704 states and 775 transitions. Second operand 15 states. [2020-11-07 04:34:49,436 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:34:50,514 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:34:52,947 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 209 [2020-11-07 04:34:53,705 WARN L194 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:34:54,141 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:54,537 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:34:55,295 WARN L194 SmtUtils]: Spent 696.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-11-07 04:34:55,687 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:56,120 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:34:56,515 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:34:59,340 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:34:59,731 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:35:00,193 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:35:01,104 WARN L194 SmtUtils]: Spent 676.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-11-07 04:35:03,440 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 209 [2020-11-07 04:35:04,206 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 211 [2020-11-07 04:35:05,106 WARN L194 SmtUtils]: Spent 715.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 210 [2020-11-07 04:35:06,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:35:06,199 INFO L93 Difference]: Finished difference Result 2195 states and 2625 transitions. [2020-11-07 04:35:06,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-11-07 04:35:06,200 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 228 [2020-11-07 04:35:06,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:35:06,211 INFO L225 Difference]: With dead ends: 2195 [2020-11-07 04:35:06,211 INFO L226 Difference]: Without dead ends: 1723 [2020-11-07 04:35:06,215 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1092 ImplicationChecksByTransitivity, 10.4s TimeCoverageRelationStatistics Valid=754, Invalid=2906, Unknown=0, NotChecked=0, Total=3660 [2020-11-07 04:35:06,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1723 states. [2020-11-07 04:35:06,920 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1723 to 1277. [2020-11-07 04:35:06,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-11-07 04:35:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1395 transitions. [2020-11-07 04:35:06,926 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1395 transitions. Word has length 228 [2020-11-07 04:35:06,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:35:06,927 INFO L481 AbstractCegarLoop]: Abstraction has 1277 states and 1395 transitions. [2020-11-07 04:35:06,927 INFO L482 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-11-07 04:35:06,927 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1395 transitions. [2020-11-07 04:35:06,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 343 [2020-11-07 04:35:06,930 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:35:06,931 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:35:06,931 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-11-07 04:35:06,931 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 04:35:06,932 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:35:06,932 INFO L82 PathProgramCache]: Analyzing trace with hash -925020510, now seen corresponding path program 1 times [2020-11-07 04:35:06,932 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:35:06,932 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [14613001] [2020-11-07 04:35:06,932 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:35:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,403 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:35:07,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:07,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:35:07,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:35:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:35:07,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:35:07,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:35:07,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:35:07,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:35:07,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:35:07,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:07,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:07,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:35:07,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:07,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:07,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:35:07,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:35:07,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:35:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:35:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-11-07 04:35:07,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:07,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 250 [2020-11-07 04:35:07,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 256 [2020-11-07 04:35:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:35:07,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:35:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:35:07,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:35:07,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-11-07 04:35:07,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:07,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 328 [2020-11-07 04:35:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:08,002 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 34 proven. 11 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-11-07 04:35:08,004 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [14613001] [2020-11-07 04:35:08,005 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:35:08,005 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-11-07 04:35:08,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1232857036] [2020-11-07 04:35:08,006 INFO L461 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-11-07 04:35:08,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:35:08,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-11-07 04:35:08,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=297, Unknown=0, NotChecked=0, Total=342 [2020-11-07 04:35:08,010 INFO L87 Difference]: Start difference. First operand 1277 states and 1395 transitions. Second operand 19 states. [2020-11-07 04:35:08,886 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:35:09,434 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:35:09,856 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2020-11-07 04:35:10,273 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:35:10,684 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:35:11,081 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:35:12,395 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:35:12,831 WARN L194 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:35:13,243 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:35:13,994 WARN L194 SmtUtils]: Spent 459.00 ms on a formula simplification that was a NOOP. DAG size: 229 [2020-11-07 04:35:15,196 WARN L194 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:35:15,898 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:35:16,405 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 225 [2020-11-07 04:35:18,624 WARN L194 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:35:19,405 WARN L194 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:35:19,849 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:35:20,630 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-11-07 04:35:21,177 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:35:22,113 WARN L194 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:35:22,874 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:35:23,396 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:35:24,645 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:35:25,437 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 212 [2020-11-07 04:35:26,273 WARN L194 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 214 [2020-11-07 04:35:27,516 WARN L194 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-11-07 04:35:29,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:35:29,023 INFO L93 Difference]: Finished difference Result 3041 states and 3513 transitions. [2020-11-07 04:35:29,023 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2020-11-07 04:35:29,024 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 342 [2020-11-07 04:35:29,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:35:29,037 INFO L225 Difference]: With dead ends: 3041 [2020-11-07 04:35:29,037 INFO L226 Difference]: Without dead ends: 1991 [2020-11-07 04:35:29,042 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1903 ImplicationChecksByTransitivity, 14.1s TimeCoverageRelationStatistics Valid=1278, Invalid=5364, Unknown=0, NotChecked=0, Total=6642 [2020-11-07 04:35:29,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1991 states. [2020-11-07 04:35:29,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1991 to 1508. [2020-11-07 04:35:29,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1508 states. [2020-11-07 04:35:29,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1508 states to 1508 states and 1654 transitions. [2020-11-07 04:35:29,834 INFO L78 Accepts]: Start accepts. Automaton has 1508 states and 1654 transitions. Word has length 342 [2020-11-07 04:35:29,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:35:29,835 INFO L481 AbstractCegarLoop]: Abstraction has 1508 states and 1654 transitions. [2020-11-07 04:35:29,835 INFO L482 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-11-07 04:35:29,835 INFO L276 IsEmpty]: Start isEmpty. Operand 1508 states and 1654 transitions. [2020-11-07 04:35:29,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 518 [2020-11-07 04:35:29,842 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:35:29,842 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:35:29,843 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-11-07 04:35:29,843 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 04:35:29,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:35:29,843 INFO L82 PathProgramCache]: Analyzing trace with hash -58296604, now seen corresponding path program 1 times [2020-11-07 04:35:29,844 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:35:29,844 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [776933647] [2020-11-07 04:35:29,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:35:29,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,278 WARN L194 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:35:30,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:30,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:35:30,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:35:30,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:35:30,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:35:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:35:30,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:35:30,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:35:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:35:30,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:30,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:35:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:35:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:35:30,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:35:30,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:35:30,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:35:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:30,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:30,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:35:30,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:35:30,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:35:30,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:35:30,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:35:30,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:35:30,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:35:30,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2020-11-07 04:35:30,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-11-07 04:35:30,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:30,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:35:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:35:30,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:35:30,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:35:30,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:35:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 428 [2020-11-07 04:35:30,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-11-07 04:35:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:30,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2020-11-07 04:35:30,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:30,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:35:30,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:35:30,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 493 [2020-11-07 04:35:30,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:30,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 503 [2020-11-07 04:35:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-11-07 04:35:31,133 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [776933647] [2020-11-07 04:35:31,133 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:35:31,133 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-11-07 04:35:31,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185739427] [2020-11-07 04:35:31,135 INFO L461 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-11-07 04:35:31,135 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:35:31,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-11-07 04:35:31,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2020-11-07 04:35:31,136 INFO L87 Difference]: Start difference. First operand 1508 states and 1654 transitions. Second operand 17 states. [2020-11-07 04:35:31,917 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:35:33,311 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:35:38,336 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:35:38,792 WARN L194 SmtUtils]: Spent 407.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:35:39,230 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:35:39,652 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:35:40,067 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:35:40,488 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:35:40,911 WARN L194 SmtUtils]: Spent 385.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:35:41,337 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:35:41,754 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:35:42,188 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:35:42,613 WARN L194 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:35:43,026 WARN L194 SmtUtils]: Spent 365.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:35:43,844 WARN L194 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 215 [2020-11-07 04:35:44,266 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:35:45,020 WARN L194 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 212 [2020-11-07 04:35:45,459 WARN L194 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:35:45,914 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2020-11-07 04:35:46,364 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 217 [2020-11-07 04:35:49,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:35:49,857 INFO L93 Difference]: Finished difference Result 4901 states and 5703 transitions. [2020-11-07 04:35:49,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2020-11-07 04:35:49,857 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 517 [2020-11-07 04:35:49,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:35:49,878 INFO L225 Difference]: With dead ends: 4901 [2020-11-07 04:35:49,879 INFO L226 Difference]: Without dead ends: 3526 [2020-11-07 04:35:49,886 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1040 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=795, Invalid=3237, Unknown=0, NotChecked=0, Total=4032 [2020-11-07 04:35:49,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3526 states. [2020-11-07 04:35:51,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3526 to 2846. [2020-11-07 04:35:51,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2846 states. [2020-11-07 04:35:51,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2846 states and 3103 transitions. [2020-11-07 04:35:51,609 INFO L78 Accepts]: Start accepts. Automaton has 2846 states and 3103 transitions. Word has length 517 [2020-11-07 04:35:51,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:35:51,611 INFO L481 AbstractCegarLoop]: Abstraction has 2846 states and 3103 transitions. [2020-11-07 04:35:51,611 INFO L482 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-11-07 04:35:51,611 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3103 transitions. [2020-11-07 04:35:51,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2020-11-07 04:35:51,621 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:35:51,622 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:35:51,622 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-11-07 04:35:51,623 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 04:35:51,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:35:51,623 INFO L82 PathProgramCache]: Analyzing trace with hash 550161305, now seen corresponding path program 1 times [2020-11-07 04:35:51,623 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:35:51,623 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1816600054] [2020-11-07 04:35:51,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:35:51,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,061 WARN L194 SmtUtils]: Spent 328.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:35:52,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:35:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:35:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:35:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:35:52,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:35:52,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:35:52,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-11-07 04:35:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-11-07 04:35:52,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-11-07 04:35:52,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:52,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:52,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:35:52,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:35:52,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:35:52,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:35:52,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 237 [2020-11-07 04:35:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-11-07 04:35:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:52,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:52,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:35:52,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:35:52,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:35:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:35:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:35:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:35:52,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:35:52,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:35:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:35:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:52,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:35:52,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:35:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:35:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:35:52,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:35:52,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 425 [2020-11-07 04:35:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 437 [2020-11-07 04:35:52,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 442 [2020-11-07 04:35:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:35:52,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 456 [2020-11-07 04:35:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:35:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:35:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:35:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 502 [2020-11-07 04:35:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:52,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 512 [2020-11-07 04:35:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:35:53,095 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 116 proven. 20 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2020-11-07 04:35:53,096 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1816600054] [2020-11-07 04:35:53,096 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:35:53,096 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-11-07 04:35:53,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90616273] [2020-11-07 04:35:53,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-11-07 04:35:53,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:35:53,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-11-07 04:35:53,098 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2020-11-07 04:35:53,098 INFO L87 Difference]: Start difference. First operand 2846 states and 3103 transitions. Second operand 23 states. [2020-11-07 04:35:53,945 WARN L194 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:35:54,490 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:35:54,914 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:35:55,331 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:35:55,742 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:35:56,141 WARN L194 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:35:57,469 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:36:03,356 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:03,827 WARN L194 SmtUtils]: Spent 423.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:36:04,283 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:04,718 WARN L194 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:05,140 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:36:05,568 WARN L194 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:36:05,972 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:06,409 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:36:06,866 WARN L194 SmtUtils]: Spent 396.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:07,336 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:36:07,756 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:08,193 WARN L194 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:36:08,991 WARN L194 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:36:09,803 WARN L194 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:36:10,598 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:36:14,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:36:14,899 INFO L93 Difference]: Finished difference Result 6311 states and 7356 transitions. [2020-11-07 04:36:14,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2020-11-07 04:36:14,905 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 526 [2020-11-07 04:36:14,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:36:14,928 INFO L225 Difference]: With dead ends: 6311 [2020-11-07 04:36:14,928 INFO L226 Difference]: Without dead ends: 3852 [2020-11-07 04:36:14,938 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 134 SyntacticMatches, 1 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1824 ImplicationChecksByTransitivity, 11.8s TimeCoverageRelationStatistics Valid=1207, Invalid=5435, Unknown=0, NotChecked=0, Total=6642 [2020-11-07 04:36:14,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3852 states. [2020-11-07 04:36:16,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3852 to 2596. [2020-11-07 04:36:16,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2596 states. [2020-11-07 04:36:16,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2596 states and 2826 transitions. [2020-11-07 04:36:16,196 INFO L78 Accepts]: Start accepts. Automaton has 2596 states and 2826 transitions. Word has length 526 [2020-11-07 04:36:16,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:36:16,197 INFO L481 AbstractCegarLoop]: Abstraction has 2596 states and 2826 transitions. [2020-11-07 04:36:16,197 INFO L482 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-11-07 04:36:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 2596 states and 2826 transitions. [2020-11-07 04:36:16,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 523 [2020-11-07 04:36:16,207 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:36:16,208 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:16,208 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-11-07 04:36:16,208 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 04:36:16,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:36:16,209 INFO L82 PathProgramCache]: Analyzing trace with hash -320428141, now seen corresponding path program 1 times [2020-11-07 04:36:16,209 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:36:16,209 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1313574746] [2020-11-07 04:36:16,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:36:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,628 WARN L194 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:36:16,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:36:16,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:36:16,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:36:16,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:36:16,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:36:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:36:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:36:16,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:36:16,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:36:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:16,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:36:16,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:36:16,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:36:16,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:36:16,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:36:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:16,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:16,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:36:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:36:16,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:16,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:36:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:36:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:16,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:36:16,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:36:16,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:16,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:36:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:17,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 342 [2020-11-07 04:36:17,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-11-07 04:36:17,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 355 [2020-11-07 04:36:17,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:17,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:17,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:36:17,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:36:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:17,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:36:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:36:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:36:17,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 433 [2020-11-07 04:36:17,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 438 [2020-11-07 04:36:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:17,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 452 [2020-11-07 04:36:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:17,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:36:17,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:36:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 498 [2020-11-07 04:36:17,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-11-07 04:36:17,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:17,401 INFO L134 CoverageAnalysis]: Checked inductivity of 415 backedges. 124 proven. 38 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2020-11-07 04:36:17,402 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1313574746] [2020-11-07 04:36:17,402 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:36:17,402 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:36:17,402 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511889629] [2020-11-07 04:36:17,403 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:36:17,403 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:36:17,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:36:17,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:36:17,404 INFO L87 Difference]: Start difference. First operand 2596 states and 2826 transitions. Second operand 18 states. [2020-11-07 04:36:20,311 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:36:20,714 WARN L194 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:36:21,114 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:21,520 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:36:21,905 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:22,281 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:36:26,042 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:26,480 WARN L194 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:36:30,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:36:30,714 INFO L93 Difference]: Finished difference Result 8953 states and 10881 transitions. [2020-11-07 04:36:30,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-11-07 04:36:30,719 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 522 [2020-11-07 04:36:30,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:36:30,756 INFO L225 Difference]: With dead ends: 8953 [2020-11-07 04:36:30,756 INFO L226 Difference]: Without dead ends: 5935 [2020-11-07 04:36:30,770 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 135 SyntacticMatches, 6 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1079 ImplicationChecksByTransitivity, 4.5s TimeCoverageRelationStatistics Valid=823, Invalid=3083, Unknown=0, NotChecked=0, Total=3906 [2020-11-07 04:36:30,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5935 states. [2020-11-07 04:36:32,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5935 to 3332. [2020-11-07 04:36:32,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3332 states. [2020-11-07 04:36:32,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3332 states to 3332 states and 3679 transitions. [2020-11-07 04:36:32,419 INFO L78 Accepts]: Start accepts. Automaton has 3332 states and 3679 transitions. Word has length 522 [2020-11-07 04:36:32,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:36:32,420 INFO L481 AbstractCegarLoop]: Abstraction has 3332 states and 3679 transitions. [2020-11-07 04:36:32,420 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:36:32,420 INFO L276 IsEmpty]: Start isEmpty. Operand 3332 states and 3679 transitions. [2020-11-07 04:36:32,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 533 [2020-11-07 04:36:32,431 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:36:32,432 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:32,432 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-11-07 04:36:32,432 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 04:36:32,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:36:32,433 INFO L82 PathProgramCache]: Analyzing trace with hash -256203700, now seen corresponding path program 1 times [2020-11-07 04:36:32,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:36:32,433 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [148150099] [2020-11-07 04:36:32,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:36:32,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:32,873 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:36:32,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:32,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:32,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:36:32,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:32,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:36:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:32,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:36:32,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:32,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:36:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:32,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:36:32,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:32,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:36:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:36:33,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:36:33,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:33,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:36:33,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:36:33,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:36:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:36:33,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:36:33,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:36:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:36:33,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:36:33,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:36:33,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:36:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:36:33,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:36:33,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:36:33,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:36:33,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 352 [2020-11-07 04:36:33,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 361 [2020-11-07 04:36:33,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 365 [2020-11-07 04:36:33,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:33,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:36:33,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:36:33,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:36:33,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:36:33,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:36:33,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 443 [2020-11-07 04:36:33,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 448 [2020-11-07 04:36:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:33,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 462 [2020-11-07 04:36:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:36:33,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:36:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 508 [2020-11-07 04:36:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 518 [2020-11-07 04:36:33,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:33,885 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 133 proven. 45 refuted. 0 times theorem prover too weak. 267 trivial. 0 not checked. [2020-11-07 04:36:33,885 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [148150099] [2020-11-07 04:36:33,886 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:36:33,886 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-11-07 04:36:33,886 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236840263] [2020-11-07 04:36:33,887 INFO L461 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-11-07 04:36:33,887 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:36:33,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-11-07 04:36:33,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=333, Unknown=0, NotChecked=0, Total=380 [2020-11-07 04:36:33,888 INFO L87 Difference]: Start difference. First operand 3332 states and 3679 transitions. Second operand 20 states. [2020-11-07 04:36:34,683 WARN L194 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:36:35,216 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:36:35,630 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:36:36,035 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:36,438 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:36:36,825 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:38,234 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:36:38,638 WARN L194 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:36:40,103 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:36:40,766 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:36:41,254 WARN L194 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:36:41,825 WARN L194 SmtUtils]: Spent 418.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:36:43,853 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:36:44,258 WARN L194 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:36:46,324 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:36:46,743 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:36:47,127 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:36:50,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:36:50,650 INFO L93 Difference]: Finished difference Result 7938 states and 9473 transitions. [2020-11-07 04:36:50,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2020-11-07 04:36:50,651 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 532 [2020-11-07 04:36:50,651 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:36:50,678 INFO L225 Difference]: With dead ends: 7938 [2020-11-07 04:36:50,678 INFO L226 Difference]: Without dead ends: 4993 [2020-11-07 04:36:50,689 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 69 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1403 ImplicationChecksByTransitivity, 7.9s TimeCoverageRelationStatistics Valid=957, Invalid=4013, Unknown=0, NotChecked=0, Total=4970 [2020-11-07 04:36:50,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4993 states. [2020-11-07 04:36:52,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4993 to 3201. [2020-11-07 04:36:52,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3201 states. [2020-11-07 04:36:52,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3201 states to 3201 states and 3506 transitions. [2020-11-07 04:36:52,259 INFO L78 Accepts]: Start accepts. Automaton has 3201 states and 3506 transitions. Word has length 532 [2020-11-07 04:36:52,259 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:36:52,260 INFO L481 AbstractCegarLoop]: Abstraction has 3201 states and 3506 transitions. [2020-11-07 04:36:52,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-11-07 04:36:52,260 INFO L276 IsEmpty]: Start isEmpty. Operand 3201 states and 3506 transitions. [2020-11-07 04:36:52,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 534 [2020-11-07 04:36:52,271 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:36:52,271 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:36:52,271 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-11-07 04:36:52,271 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 04:36:52,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:36:52,272 INFO L82 PathProgramCache]: Analyzing trace with hash -666400926, now seen corresponding path program 1 times [2020-11-07 04:36:52,272 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:36:52,272 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1806407834] [2020-11-07 04:36:52,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:36:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,755 WARN L194 SmtUtils]: Spent 330.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:36:52,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:52,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:36:52,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:36:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:36:52,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:36:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:36:52,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:36:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:36:52,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:36:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:52,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:52,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:36:52,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:52,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:52,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:36:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:36:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:36:52,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:52,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:52,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:36:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:36:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:53,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:53,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:36:53,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:36:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:53,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:36:53,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:36:53,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:36:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:36:53,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:53,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:36:53,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:36:53,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-11-07 04:36:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-11-07 04:36:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-11-07 04:36:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:53,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:36:53,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:36:53,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:53,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:36:53,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:36:53,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:36:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:53,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 444 [2020-11-07 04:36:53,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 449 [2020-11-07 04:36:53,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:36:53,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-11-07 04:36:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:53,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:53,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:36:53,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:36:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:36:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 509 [2020-11-07 04:36:53,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2020-11-07 04:36:53,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:36:53,510 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 137 proven. 66 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-11-07 04:36:53,510 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1806407834] [2020-11-07 04:36:53,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:36:53,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:36:53,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272647312] [2020-11-07 04:36:53,511 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:36:53,512 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:36:53,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:36:53,512 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:36:53,512 INFO L87 Difference]: Start difference. First operand 3201 states and 3506 transitions. Second operand 18 states. [2020-11-07 04:36:54,306 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:36:56,667 WARN L194 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:36:57,967 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:36:58,398 WARN L194 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:36:59,192 WARN L194 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:36:59,607 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:00,432 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 211 [2020-11-07 04:37:00,849 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:37:01,605 WARN L194 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 209 [2020-11-07 04:37:02,396 WARN L194 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:37:03,232 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 214 [2020-11-07 04:37:03,995 WARN L194 SmtUtils]: Spent 725.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 211 [2020-11-07 04:37:04,372 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:37:07,832 WARN L194 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:08,282 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:37:09,884 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:37:11,267 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:11,730 WARN L194 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:37:12,540 WARN L194 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:37:12,954 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:13,757 WARN L194 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-11-07 04:37:14,183 WARN L194 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-11-07 04:37:14,946 WARN L194 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 209 [2020-11-07 04:37:15,403 WARN L194 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:37:15,899 WARN L194 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 219 [2020-11-07 04:37:16,409 WARN L194 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 214 [2020-11-07 04:37:23,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:23,781 INFO L93 Difference]: Finished difference Result 9370 states and 11464 transitions. [2020-11-07 04:37:23,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 102 states. [2020-11-07 04:37:23,782 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 533 [2020-11-07 04:37:23,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:23,822 INFO L225 Difference]: With dead ends: 9370 [2020-11-07 04:37:23,822 INFO L226 Difference]: Without dead ends: 7433 [2020-11-07 04:37:23,836 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 284 GetRequests, 166 SyntacticMatches, 10 SemanticMatches, 108 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4348 ImplicationChecksByTransitivity, 15.8s TimeCoverageRelationStatistics Valid=1982, Invalid=10008, Unknown=0, NotChecked=0, Total=11990 [2020-11-07 04:37:23,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7433 states. [2020-11-07 04:37:26,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7433 to 4562. [2020-11-07 04:37:26,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4562 states. [2020-11-07 04:37:26,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4562 states to 4562 states and 4961 transitions. [2020-11-07 04:37:26,084 INFO L78 Accepts]: Start accepts. Automaton has 4562 states and 4961 transitions. Word has length 533 [2020-11-07 04:37:26,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:37:26,085 INFO L481 AbstractCegarLoop]: Abstraction has 4562 states and 4961 transitions. [2020-11-07 04:37:26,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:37:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4562 states and 4961 transitions. [2020-11-07 04:37:26,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-11-07 04:37:26,101 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:26,102 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:26,102 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-11-07 04:37:26,102 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 04:37:26,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:26,103 INFO L82 PathProgramCache]: Analyzing trace with hash -891987200, now seen corresponding path program 1 times [2020-11-07 04:37:26,103 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:26,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489977849] [2020-11-07 04:37:26,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,563 WARN L194 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:26,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:26,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:26,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:26,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:26,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:37:26,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:37:26,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:37:26,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:26,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:37:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:26,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:26,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:26,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:37:26,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:37:26,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:26,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:37:26,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:37:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:26,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:26,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:37:26,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:37:26,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:37:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:37:26,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:26,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:26,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:37:26,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:26,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:37:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:26,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:37:26,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-11-07 04:37:26,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-11-07 04:37:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:26,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-11-07 04:37:27,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:27,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:27,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:37:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:37:27,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:27,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:37:27,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:37:27,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:37:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:27,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:37:27,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:37:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-11-07 04:37:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-11-07 04:37:27,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:27,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:37:27,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:37:27,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-07 04:37:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:37:27,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-11-07 04:37:27,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-11-07 04:37:27,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2020-11-07 04:37:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2020-11-07 04:37:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:27,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:27,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:37:27,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2020-11-07 04:37:27,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2020-11-07 04:37:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:27,376 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 181 proven. 87 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2020-11-07 04:37:27,376 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489977849] [2020-11-07 04:37:27,376 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:37:27,377 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:37:27,377 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1480453428] [2020-11-07 04:37:27,378 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:37:27,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:27,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:37:27,378 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=253, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:37:27,378 INFO L87 Difference]: Start difference. First operand 4562 states and 4961 transitions. Second operand 18 states. [2020-11-07 04:37:28,670 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:37:30,056 WARN L194 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-11-07 04:37:34,457 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:37:34,914 WARN L194 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2020-11-07 04:37:35,321 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:35,737 WARN L194 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 213 [2020-11-07 04:37:36,120 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:36,886 WARN L194 SmtUtils]: Spent 739.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 207 [2020-11-07 04:37:42,413 WARN L194 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-11-07 04:37:42,906 WARN L194 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 216 [2020-11-07 04:37:43,742 WARN L194 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 212 [2020-11-07 04:37:44,218 WARN L194 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 222 [2020-11-07 04:37:44,711 WARN L194 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:37:45,181 WARN L194 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2020-11-07 04:37:45,624 WARN L194 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:37:51,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:37:51,757 INFO L93 Difference]: Finished difference Result 15973 states and 19379 transitions. [2020-11-07 04:37:51,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2020-11-07 04:37:51,757 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 655 [2020-11-07 04:37:51,758 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:37:51,811 INFO L225 Difference]: With dead ends: 15973 [2020-11-07 04:37:51,811 INFO L226 Difference]: Without dead ends: 11230 [2020-11-07 04:37:51,829 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 183 SyntacticMatches, 10 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2496 ImplicationChecksByTransitivity, 9.2s TimeCoverageRelationStatistics Valid=1586, Invalid=6424, Unknown=0, NotChecked=0, Total=8010 [2020-11-07 04:37:51,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11230 states. [2020-11-07 04:37:55,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11230 to 6006. [2020-11-07 04:37:55,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6006 states. [2020-11-07 04:37:55,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6006 states to 6006 states and 6492 transitions. [2020-11-07 04:37:55,359 INFO L78 Accepts]: Start accepts. Automaton has 6006 states and 6492 transitions. Word has length 655 [2020-11-07 04:37:55,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:37:55,360 INFO L481 AbstractCegarLoop]: Abstraction has 6006 states and 6492 transitions. [2020-11-07 04:37:55,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:37:55,361 INFO L276 IsEmpty]: Start isEmpty. Operand 6006 states and 6492 transitions. [2020-11-07 04:37:55,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 656 [2020-11-07 04:37:55,383 INFO L414 BasicCegarLoop]: Found error trace [2020-11-07 04:37:55,383 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:37:55,383 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-11-07 04:37:55,384 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 04:37:55,384 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-07 04:37:55,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1759935328, now seen corresponding path program 1 times [2020-11-07 04:37:55,384 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-11-07 04:37:55,385 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [177111875] [2020-11-07 04:37:55,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-07 04:37:55,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,831 WARN L194 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-11-07 04:37:55,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:55,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-11-07 04:37:55,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-11-07 04:37:55,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-11-07 04:37:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-11-07 04:37:55,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2020-11-07 04:37:55,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-11-07 04:37:55,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-11-07 04:37:55,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 143 [2020-11-07 04:37:55,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:55,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:37:55,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:55,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:55,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:37:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-11-07 04:37:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 232 [2020-11-07 04:37:56,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2020-11-07 04:37:56,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:56,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:56,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:37:56,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:37:56,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:37:56,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:37:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-11-07 04:37:56,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-11-07 04:37:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:37:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 353 [2020-11-07 04:37:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2020-11-07 04:37:56,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 366 [2020-11-07 04:37:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:56,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-11-07 04:37:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2020-11-07 04:37:56,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-11-07 04:37:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2020-11-07 04:37:56,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-11-07 04:37:56,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:37:56,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 446 [2020-11-07 04:37:56,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-11-07 04:37:56,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 463 [2020-11-07 04:37:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2020-11-07 04:37:56,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:56,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:37:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-11-07 04:37:56,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-11-07 04:37:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 553 [2020-11-07 04:37:56,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 566 [2020-11-07 04:37:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 571 [2020-11-07 04:37:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-11-07 04:37:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2020-11-07 04:37:56,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-11-07 04:37:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-11-07 04:37:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2020-11-07 04:37:56,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 631 [2020-11-07 04:37:56,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 641 [2020-11-07 04:37:56,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-07 04:37:56,519 INFO L134 CoverageAnalysis]: Checked inductivity of 859 backedges. 168 proven. 16 refuted. 0 times theorem prover too weak. 675 trivial. 0 not checked. [2020-11-07 04:37:56,519 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [177111875] [2020-11-07 04:37:56,519 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-11-07 04:37:56,519 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-11-07 04:37:56,520 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017945244] [2020-11-07 04:37:56,520 INFO L461 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-11-07 04:37:56,520 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-11-07 04:37:56,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-11-07 04:37:56,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2020-11-07 04:37:56,521 INFO L87 Difference]: Start difference. First operand 6006 states and 6492 transitions. Second operand 18 states. [2020-11-07 04:37:57,540 WARN L194 SmtUtils]: Spent 478.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-11-07 04:37:57,972 WARN L194 SmtUtils]: Spent 398.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:37:58,376 WARN L194 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:37:58,783 WARN L194 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:37:59,173 WARN L194 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:03,415 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:03,797 WARN L194 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:04,191 WARN L194 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 212 [2020-11-07 04:38:04,587 WARN L194 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:04,982 WARN L194 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-11-07 04:38:05,360 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-11-07 04:38:06,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-07 04:38:06,251 INFO L93 Difference]: Finished difference Result 7418 states and 8188 transitions. [2020-11-07 04:38:06,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-11-07 04:38:06,252 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 655 [2020-11-07 04:38:06,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-07 04:38:06,255 INFO L225 Difference]: With dead ends: 7418 [2020-11-07 04:38:06,255 INFO L226 Difference]: Without dead ends: 0 [2020-11-07 04:38:06,274 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 390 ImplicationChecksByTransitivity, 5.3s TimeCoverageRelationStatistics Valid=529, Invalid=1633, Unknown=0, NotChecked=0, Total=2162 [2020-11-07 04:38:06,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-11-07 04:38:06,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-11-07 04:38:06,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-11-07 04:38:06,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-11-07 04:38:06,276 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 655 [2020-11-07 04:38:06,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-07 04:38:06,277 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-11-07 04:38:06,277 INFO L482 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-11-07 04:38:06,277 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-11-07 04:38:06,277 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-11-07 04:38:06,277 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-11-07 04:38:06,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-11-07 04:38:06,802 WARN L194 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 249 [2020-11-07 04:38:07,178 WARN L194 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 216 [2020-11-07 04:38:07,601 WARN L194 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-11-07 04:38:08,319 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 216 [2020-11-07 04:38:08,568 WARN L194 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-11-07 04:38:14,137 WARN L194 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 708 DAG size of output: 583 [2020-11-07 04:38:17,923 WARN L194 SmtUtils]: Spent 3.78 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-11-07 04:38:18,925 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 216 [2020-11-07 04:38:19,177 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-11-07 04:38:26,091 WARN L194 SmtUtils]: Spent 6.73 s on a formula simplification. DAG size of input: 856 DAG size of output: 679 [2020-11-07 04:38:26,936 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-11-07 04:38:27,558 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:38:27,721 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:38:27,858 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-11-07 04:38:28,152 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 217 [2020-11-07 04:38:29,104 WARN L194 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 218 [2020-11-07 04:38:29,511 WARN L194 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-11-07 04:38:30,308 WARN L194 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-11-07 04:38:30,490 WARN L194 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 242 [2020-11-07 04:38:30,638 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-11-07 04:38:38,178 WARN L194 SmtUtils]: Spent 6.54 s on a formula simplification. DAG size of input: 856 DAG size of output: 679 [2020-11-07 04:38:42,489 WARN L194 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-11-07 04:38:43,859 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 220 [2020-11-07 04:38:47,600 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-11-07 04:38:47,743 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-11-07 04:38:58,117 WARN L194 SmtUtils]: Spent 7.55 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-11-07 04:39:01,807 WARN L194 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-11-07 04:39:05,509 WARN L194 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-11-07 04:39:06,033 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:06,147 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:06,426 WARN L194 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:06,757 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:07,624 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:07,735 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:08,057 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:08,170 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:08,288 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:08,401 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:08,746 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:08,854 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:09,028 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:09,160 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:17,298 WARN L194 SmtUtils]: Spent 7.45 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-11-07 04:39:17,834 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:17,946 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:18,414 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-11-07 04:39:18,538 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-11-07 04:39:18,688 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:18,796 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:19,182 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-11-07 04:39:19,286 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-11-07 04:39:19,388 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-11-07 04:39:19,604 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:19,732 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:19,874 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:20,031 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:20,377 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:20,487 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:39:21,092 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:21,206 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:21,317 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:21,429 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:21,541 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:21,651 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:39:29,186 WARN L194 SmtUtils]: Spent 7.41 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-11-07 04:39:36,684 WARN L194 SmtUtils]: Spent 7.46 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-11-07 04:39:37,611 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-11-07 04:39:48,975 WARN L194 SmtUtils]: Spent 6.49 s on a formula simplification. DAG size of input: 856 DAG size of output: 679 [2020-11-07 04:39:56,933 WARN L194 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 941 DAG size of output: 745 [2020-11-07 04:40:00,900 WARN L194 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-11-07 04:40:01,351 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 223 [2020-11-07 04:40:01,582 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-11-07 04:40:01,703 WARN L194 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-11-07 04:40:02,494 WARN L194 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 264 [2020-11-07 04:40:02,949 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 223 [2020-11-07 04:40:03,182 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 263 [2020-11-07 04:40:03,302 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 225 [2020-11-07 04:40:06,961 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:40:07,094 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:40:07,327 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:40:07,442 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:40:08,172 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 260 [2020-11-07 04:40:08,468 WARN L194 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2020-11-07 04:40:08,592 WARN L194 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 264 [2020-11-07 04:40:16,571 WARN L194 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-11-07 04:40:20,328 WARN L194 SmtUtils]: Spent 3.72 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-11-07 04:40:26,800 WARN L194 SmtUtils]: Spent 6.47 s on a formula simplification. DAG size of input: 856 DAG size of output: 679 [2020-11-07 04:40:34,488 WARN L194 SmtUtils]: Spent 7.60 s on a formula simplification. DAG size of input: 941 DAG size of output: 744 [2020-11-07 04:40:43,219 WARN L194 SmtUtils]: Spent 8.67 s on a formula simplification. DAG size of input: 1004 DAG size of output: 778 [2020-11-07 04:40:44,449 WARN L194 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-11-07 04:40:49,861 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 264 [2020-11-07 04:40:50,558 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 237 [2020-11-07 04:40:50,734 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 239 [2020-11-07 04:40:50,891 WARN L194 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 262 [2020-11-07 04:40:52,232 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:40:52,344 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:40:52,515 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:40:52,765 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:40:52,897 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:40:53,797 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:40:53,947 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:40:54,360 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:40:54,471 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:40:54,583 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:40:54,697 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:40:54,918 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:40:55,054 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:41:01,703 WARN L194 SmtUtils]: Spent 6.55 s on a formula simplification. DAG size of input: 859 DAG size of output: 689 [2020-11-07 04:41:04,389 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-11-07 04:41:04,728 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:04,877 WARN L194 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-11-07 04:41:04,988 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:41:12,883 WARN L194 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 941 DAG size of output: 745 [2020-11-07 04:41:20,786 WARN L194 SmtUtils]: Spent 7.62 s on a formula simplification. DAG size of input: 941 DAG size of output: 745 [2020-11-07 04:41:25,457 WARN L194 SmtUtils]: Spent 3.69 s on a formula simplification. DAG size of input: 758 DAG size of output: 622 [2020-11-07 04:41:25,658 WARN L194 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-11-07 04:41:25,809 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-11-07 04:41:26,043 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:26,157 WARN L194 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:26,330 WARN L194 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:26,590 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:26,702 WARN L194 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:27,690 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:27,815 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:27,929 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:28,042 WARN L194 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:29,027 WARN L194 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 239 [2020-11-07 04:41:29,587 WARN L194 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 244 [2020-11-07 04:41:29,741 WARN L194 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 246 [2020-11-07 04:41:30,057 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 261 [2020-11-07 04:41:30,669 WARN L194 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 226 [2020-11-07 04:41:30,827 WARN L194 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 227 [2020-11-07 04:41:30,961 WARN L194 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 260 DAG size of output: 259 [2020-11-07 04:41:31,294 WARN L194 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 242 [2020-11-07 04:41:31,445 WARN L194 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 245 [2020-11-07 04:41:31,853 WARN L194 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 267 [2020-11-07 04:41:32,575 WARN L194 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 243 [2020-11-07 04:41:32,756 WARN L194 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 242 [2020-11-07 04:41:32,903 WARN L194 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 265 [2020-11-07 04:41:35,664 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 230 DAG size of output: 37 [2020-11-07 04:41:37,265 WARN L194 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-11-07 04:41:37,541 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-11-07 04:41:48,816 WARN L194 SmtUtils]: Spent 11.23 s on a formula simplification. DAG size of input: 484 DAG size of output: 42 [2020-11-07 04:41:58,310 WARN L194 SmtUtils]: Spent 9.48 s on a formula simplification. DAG size of input: 512 DAG size of output: 44 [2020-11-07 04:41:58,495 WARN L194 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:42:00,911 WARN L194 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 193 DAG size of output: 30 [2020-11-07 04:42:03,711 WARN L194 SmtUtils]: Spent 2.75 s on a formula simplification. DAG size of input: 230 DAG size of output: 37 [2020-11-07 04:42:04,052 WARN L194 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 31 [2020-11-07 04:42:04,381 WARN L194 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-11-07 04:42:05,132 WARN L194 SmtUtils]: Spent 749.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-11-07 04:42:18,668 WARN L194 SmtUtils]: Spent 13.52 s on a formula simplification. DAG size of input: 551 DAG size of output: 40 [2020-11-07 04:42:19,025 WARN L194 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-11-07 04:42:19,342 WARN L194 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-11-07 04:42:19,958 WARN L194 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 1 [2020-11-07 04:42:20,646 WARN L194 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 22 [2020-11-07 04:42:21,613 WARN L194 SmtUtils]: Spent 965.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 22 [2020-11-07 04:42:22,284 WARN L194 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 37 [2020-11-07 04:42:23,442 WARN L194 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 212 DAG size of output: 22 [2020-11-07 04:42:23,906 WARN L194 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 30 [2020-11-07 04:42:25,255 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 205 DAG size of output: 28 [2020-11-07 04:42:26,449 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 213 DAG size of output: 24 [2020-11-07 04:42:29,691 WARN L194 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 333 DAG size of output: 38 [2020-11-07 04:42:31,016 WARN L194 SmtUtils]: Spent 1.31 s on a formula simplification. DAG size of input: 219 DAG size of output: 30 [2020-11-07 04:42:32,447 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 228 DAG size of output: 31 [2020-11-07 04:42:45,887 WARN L194 SmtUtils]: Spent 13.43 s on a formula simplification. DAG size of input: 551 DAG size of output: 40 [2020-11-07 04:42:46,071 WARN L194 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23 [2020-11-07 04:42:47,267 WARN L194 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 224 DAG size of output: 29 [2020-11-07 04:42:49,728 WARN L194 SmtUtils]: Spent 2.45 s on a formula simplification. DAG size of input: 197 DAG size of output: 33 [2020-11-07 04:42:59,200 WARN L194 SmtUtils]: Spent 9.46 s on a formula simplification. DAG size of input: 512 DAG size of output: 44 [2020-11-07 04:42:59,519 WARN L194 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:42:59,841 WARN L194 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:43:00,634 WARN L194 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 22 [2020-11-07 04:43:02,661 WARN L194 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 228 DAG size of output: 36 [2020-11-07 04:43:02,854 WARN L194 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 28 [2020-11-07 04:43:03,651 WARN L194 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 53 [2020-11-07 04:43:05,343 WARN L194 SmtUtils]: Spent 1.69 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-11-07 04:43:06,380 WARN L194 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 197 DAG size of output: 27 [2020-11-07 04:43:06,641 WARN L194 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-11-07 04:43:07,138 WARN L194 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2020-11-07 04:43:07,980 WARN L194 SmtUtils]: Spent 820.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 51 [2020-11-07 04:43:08,361 WARN L194 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-11-07 04:43:09,066 WARN L194 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 26 [2020-11-07 04:43:09,397 WARN L194 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-11-07 04:43:11,118 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-11-07 04:43:12,675 WARN L194 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 165 DAG size of output: 23 [2020-11-07 04:43:13,317 WARN L194 SmtUtils]: Spent 639.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 24 [2020-11-07 04:43:13,889 WARN L194 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 35 [2020-11-07 04:43:14,242 WARN L194 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 22 [2020-11-07 04:43:14,564 WARN L194 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:43:14,956 WARN L194 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-11-07 04:43:16,088 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 214 DAG size of output: 24 [2020-11-07 04:43:17,267 WARN L194 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 214 DAG size of output: 25 [2020-11-07 04:43:18,379 WARN L194 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 212 DAG size of output: 21 [2020-11-07 04:43:19,078 WARN L194 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:43:20,236 WARN L194 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 212 DAG size of output: 21 [2020-11-07 04:43:20,937 WARN L194 SmtUtils]: Spent 698.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 26 [2020-11-07 04:43:22,769 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 239 DAG size of output: 32 [2020-11-07 04:43:23,179 WARN L194 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 25 [2020-11-07 04:43:25,020 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 239 DAG size of output: 33 [2020-11-07 04:43:25,253 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-11-07 04:43:26,984 WARN L194 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 208 DAG size of output: 34 [2020-11-07 04:43:27,219 WARN L194 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 1 [2020-11-07 04:43:27,625 WARN L194 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 25 [2020-11-07 04:43:28,393 WARN L194 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 19 [2020-11-07 04:43:29,178 WARN L194 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 22 [2020-11-07 04:43:29,390 WARN L194 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 30 [2020-11-07 04:43:46,972 WARN L194 SmtUtils]: Spent 17.56 s on a formula simplification. DAG size of input: 601 DAG size of output: 40 [2020-11-07 04:43:56,766 WARN L194 SmtUtils]: Spent 9.78 s on a formula simplification. DAG size of input: 512 DAG size of output: 44 [2020-11-07 04:44:06,276 WARN L194 SmtUtils]: Spent 9.49 s on a formula simplification. DAG size of input: 512 DAG size of output: 44 [2020-11-07 04:44:08,253 WARN L194 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 208 DAG size of output: 37 [2020-11-07 04:44:10,645 WARN L194 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 296 DAG size of output: 35 [2020-11-07 04:44:12,438 WARN L194 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 205 DAG size of output: 33 [2020-11-07 04:44:12,701 WARN L194 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-11-07 04:44:13,107 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 28 [2020-11-07 04:44:30,854 WARN L194 SmtUtils]: Spent 17.73 s on a formula simplification. DAG size of input: 601 DAG size of output: 40 [2020-11-07 04:44:31,152 WARN L194 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-11-07 04:44:33,823 WARN L194 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 325 DAG size of output: 45 [2020-11-07 04:44:51,488 WARN L194 SmtUtils]: Spent 17.66 s on a formula simplification. DAG size of input: 601 DAG size of output: 40 [2020-11-07 04:44:51,819 WARN L194 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-11-07 04:44:52,520 WARN L194 SmtUtils]: Spent 699.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:45:10,244 WARN L194 SmtUtils]: Spent 17.72 s on a formula simplification. DAG size of input: 601 DAG size of output: 40 [2020-11-07 04:45:10,618 WARN L194 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 29 [2020-11-07 04:45:12,494 WARN L194 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-11-07 04:45:12,710 WARN L194 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:45:14,179 WARN L194 SmtUtils]: Spent 1.43 s on a formula simplification. DAG size of input: 206 DAG size of output: 35 [2020-11-07 04:45:15,449 WARN L194 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 259 DAG size of output: 36 [2020-11-07 04:45:17,302 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 244 DAG size of output: 40 [2020-11-07 04:45:17,771 WARN L194 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-11-07 04:45:18,174 WARN L194 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-11-07 04:45:19,320 WARN L194 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 189 DAG size of output: 49 [2020-11-07 04:45:19,665 WARN L194 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:45:21,961 WARN L194 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 209 DAG size of output: 31 [2020-11-07 04:45:24,076 WARN L194 SmtUtils]: Spent 2.11 s on a formula simplification. DAG size of input: 208 DAG size of output: 37 [2020-11-07 04:45:24,427 WARN L194 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 27 [2020-11-07 04:45:26,131 WARN L194 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 215 DAG size of output: 44 [2020-11-07 04:45:28,151 WARN L194 SmtUtils]: Spent 2.01 s on a formula simplification. DAG size of input: 234 DAG size of output: 32 [2020-11-07 04:45:30,623 WARN L194 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 200 DAG size of output: 34 [2020-11-07 04:45:31,165 WARN L194 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 36 [2020-11-07 04:45:31,654 WARN L194 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-11-07 04:45:33,677 WARN L194 SmtUtils]: Spent 2.02 s on a formula simplification. DAG size of input: 250 DAG size of output: 46 [2020-11-07 04:45:48,167 WARN L194 SmtUtils]: Spent 14.35 s on a formula simplification. DAG size of input: 551 DAG size of output: 40 [2020-11-07 04:45:48,448 WARN L194 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-11-07 04:45:49,211 WARN L194 SmtUtils]: Spent 750.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:46:07,625 WARN L194 SmtUtils]: Spent 18.41 s on a formula simplification. DAG size of input: 602 DAG size of output: 40 [2020-11-07 04:46:07,949 WARN L194 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 1 [2020-11-07 04:46:09,842 WARN L194 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-11-07 04:46:10,609 WARN L194 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 27 [2020-11-07 04:46:10,982 WARN L194 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-11-07 04:46:13,161 WARN L194 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 228 DAG size of output: 36 [2020-11-07 04:46:15,161 WARN L194 SmtUtils]: Spent 1.99 s on a formula simplification. DAG size of input: 239 DAG size of output: 33 [2020-11-07 04:46:16,189 WARN L194 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 203 DAG size of output: 32 [2020-11-07 04:46:18,460 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 33 [2020-11-07 04:46:19,802 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 206 DAG size of output: 35 [2020-11-07 04:46:20,961 WARN L194 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 189 DAG size of output: 49 [2020-11-07 04:46:21,768 WARN L194 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 45 [2020-11-07 04:46:22,196 WARN L194 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 29 [2020-11-07 04:46:23,538 WARN L194 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 206 DAG size of output: 35 [2020-11-07 04:46:25,804 WARN L194 SmtUtils]: Spent 2.26 s on a formula simplification. DAG size of input: 209 DAG size of output: 33 [2020-11-07 04:46:27,158 WARN L194 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 208 DAG size of output: 37 [2020-11-07 04:46:30,399 WARN L194 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 311 DAG size of output: 40 [2020-11-07 04:46:33,650 WARN L194 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 311 DAG size of output: 40 [2020-11-07 04:46:33,970 WARN L194 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-11-07 04:46:34,287 WARN L194 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 1 [2020-11-07 04:46:36,105 WARN L194 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 165 DAG size of output: 28 [2020-11-07 04:46:38,031 WARN L194 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 208 DAG size of output: 34 [2020-11-07 04:46:40,268 WARN L194 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 216 DAG size of output: 39 [2020-11-07 04:46:41,730 WARN L194 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 247 DAG size of output: 34 [2020-11-07 04:46:42,193 WARN L194 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-11-07 04:46:42,379 WARN L194 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 1 [2020-11-07 04:46:43,911 WARN L194 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 228 DAG size of output: 31 [2020-11-07 04:46:44,881 WARN L194 SmtUtils]: Spent 964.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 27 [2020-11-07 04:46:46,640 WARN L194 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-11-07 04:46:48,409 WARN L194 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2020-11-07 04:46:48,815 WARN L194 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 1 [2020-11-07 04:46:49,311 WARN L194 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 19 [2020-11-07 04:46:50,613 WARN L194 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 192 DAG size of output: 33 [2020-11-07 04:47:09,001 WARN L194 SmtUtils]: Spent 18.38 s on a formula simplification. DAG size of input: 601 DAG size of output: 40 [2020-11-07 04:47:09,201 WARN L194 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 23