java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 02:50:21,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 02:50:21,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 02:50:21,143 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 02:50:21,143 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 02:50:21,145 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 02:50:21,147 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 02:50:21,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 02:50:21,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 02:50:21,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 02:50:21,167 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 02:50:21,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 02:50:21,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 02:50:21,169 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 02:50:21,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 02:50:21,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 02:50:21,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 02:50:21,177 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 02:50:21,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 02:50:21,181 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 02:50:21,182 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 02:50:21,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 02:50:21,184 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 02:50:21,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 02:50:21,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 02:50:21,187 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 02:50:21,187 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 02:50:21,188 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 02:50:21,188 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 02:50:21,189 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 02:50:21,190 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 02:50:21,191 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 02:50:21,192 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 02:50:21,194 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 02:50:21,195 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 02:50:21,195 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 02:50:21,196 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 02:50:21,196 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 02:50:21,196 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 02:50:21,199 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 02:50:21,199 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 02:50:21,200 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-10 02:50:21,215 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 02:50:21,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 02:50:21,216 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 02:50:21,216 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 02:50:21,217 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 02:50:21,217 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 02:50:21,217 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 02:50:21,217 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 02:50:21,218 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 02:50:21,218 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 02:50:21,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 02:50:21,220 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 02:50:21,220 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 02:50:21,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 02:50:21,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 02:50:21,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 02:50:21,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 02:50:21,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 02:50:21,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 02:50:21,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 02:50:21,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 02:50:21,223 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 02:50:21,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 02:50:21,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 02:50:21,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 02:50:21,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 02:50:21,225 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 02:50:21,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 02:50:21,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 02:50:21,226 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 02:50:21,277 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 02:50:21,293 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 02:50:21,296 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 02:50:21,298 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 02:50:21,298 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 02:50:21,299 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2019-09-10 02:50:21,357 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa41cf18/3c49d86dcdae471e95e1fd3112675640/FLAG4712658de [2019-09-10 02:50:21,875 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 02:50:21,875 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product45.cil.c [2019-09-10 02:50:21,895 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa41cf18/3c49d86dcdae471e95e1fd3112675640/FLAG4712658de [2019-09-10 02:50:22,218 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/afa41cf18/3c49d86dcdae471e95e1fd3112675640 [2019-09-10 02:50:22,228 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 02:50:22,230 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 02:50:22,231 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:22,231 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 02:50:22,234 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 02:50:22,235 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:22" (1/1) ... [2019-09-10 02:50:22,238 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@383ffebb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22, skipping insertion in model container [2019-09-10 02:50:22,238 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 02:50:22" (1/1) ... [2019-09-10 02:50:22,245 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 02:50:22,298 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 02:50:22,762 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:22,786 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 02:50:22,893 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 02:50:22,926 INFO L192 MainTranslator]: Completed translation [2019-09-10 02:50:22,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22 WrapperNode [2019-09-10 02:50:22,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 02:50:22,927 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 02:50:22,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 02:50:22,928 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 02:50:22,941 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22" (1/1) ... [2019-09-10 02:50:22,941 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22" (1/1) ... [2019-09-10 02:50:22,959 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22" (1/1) ... [2019-09-10 02:50:22,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22" (1/1) ... [2019-09-10 02:50:22,987 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22" (1/1) ... [2019-09-10 02:50:22,997 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22" (1/1) ... [2019-09-10 02:50:23,002 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22" (1/1) ... [2019-09-10 02:50:23,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 02:50:23,009 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 02:50:23,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 02:50:23,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 02:50:23,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22" (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 [2019-09-10 02:50:23,068 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 02:50:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 02:50:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-10 02:50:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-10 02:50:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-10 02:50:23,069 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:50:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-10 02:50:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-09-10 02:50:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-10 02:50:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-10 02:50:23,070 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-10 02:50:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-10 02:50:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-10 02:50:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-10 02:50:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-10 02:50:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:23,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-10 02:50:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-10 02:50:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-10 02:50:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-10 02:50:23,072 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-10 02:50:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-10 02:50:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-10 02:50:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 02:50:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-10 02:50:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-10 02:50:23,073 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-10 02:50:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-10 02:50:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-10 02:50:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-10 02:50:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-10 02:50:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-10 02:50:23,074 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-10 02:50:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-10 02:50:23,075 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-10 02:50:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 02:50:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 02:50:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-10 02:50:23,075 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-10 02:50:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-10 02:50:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-10 02:50:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-10 02:50:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-10 02:50:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-10 02:50:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-10 02:50:23,076 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-10 02:50:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-10 02:50:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-10 02:50:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-10 02:50:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-10 02:50:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-10 02:50:23,077 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-10 02:50:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-10 02:50:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-10 02:50:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-10 02:50:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-09-10 02:50:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-10 02:50:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-09-10 02:50:23,078 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 02:50:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-10 02:50:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-10 02:50:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-10 02:50:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-10 02:50:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-10 02:50:23,079 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-10 02:50:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-10 02:50:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 02:50:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-10 02:50:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-10 02:50:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 02:50:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-10 02:50:23,080 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-10 02:50:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 02:50:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-10 02:50:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-10 02:50:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-10 02:50:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-10 02:50:23,081 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-10 02:50:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-10 02:50:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-10 02:50:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-10 02:50:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-10 02:50:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-10 02:50:23,082 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 02:50:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-10 02:50:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 02:50:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-10 02:50:23,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 02:50:24,141 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 02:50:24,141 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-10 02:50:24,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:24 BoogieIcfgContainer [2019-09-10 02:50:24,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 02:50:24,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-10 02:50:24,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-10 02:50:24,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-10 02:50:24,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.09 02:50:22" (1/3) ... [2019-09-10 02:50:24,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aff6ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:24, skipping insertion in model container [2019-09-10 02:50:24,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 02:50:22" (2/3) ... [2019-09-10 02:50:24,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7aff6ae3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.09 02:50:24, skipping insertion in model container [2019-09-10 02:50:24,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 02:50:24" (3/3) ... [2019-09-10 02:50:24,152 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product45.cil.c [2019-09-10 02:50:24,162 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-10 02:50:24,173 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-10 02:50:24,189 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-10 02:50:24,218 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-10 02:50:24,218 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-10 02:50:24,219 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-10 02:50:24,219 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-10 02:50:24,219 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-10 02:50:24,219 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-10 02:50:24,219 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-10 02:50:24,220 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-10 02:50:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states. [2019-09-10 02:50:24,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-10 02:50:24,253 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:24,254 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:24,256 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:24,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:24,262 INFO L82 PathProgramCache]: Analyzing trace with hash 261309835, now seen corresponding path program 1 times [2019-09-10 02:50:24,265 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:24,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:24,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:24,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:24,317 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:24,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:24,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:24,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:24,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-10 02:50:24,651 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:24,656 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:24,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:24,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:24,675 INFO L87 Difference]: Start difference. First operand 176 states. Second operand 2 states. [2019-09-10 02:50:24,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:24,704 INFO L93 Difference]: Finished difference Result 144 states and 168 transitions. [2019-09-10 02:50:24,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:24,706 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-10 02:50:24,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:24,721 INFO L225 Difference]: With dead ends: 144 [2019-09-10 02:50:24,721 INFO L226 Difference]: Without dead ends: 133 [2019-09-10 02:50:24,723 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:24,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-09-10 02:50:24,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2019-09-10 02:50:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2019-09-10 02:50:24,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 156 transitions. [2019-09-10 02:50:24,803 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 156 transitions. Word has length 46 [2019-09-10 02:50:24,804 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:24,804 INFO L475 AbstractCegarLoop]: Abstraction has 133 states and 156 transitions. [2019-09-10 02:50:24,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:24,805 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 156 transitions. [2019-09-10 02:50:24,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-10 02:50:24,811 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:24,811 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:24,811 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:24,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:24,813 INFO L82 PathProgramCache]: Analyzing trace with hash -1021856254, now seen corresponding path program 1 times [2019-09-10 02:50:24,813 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:24,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:24,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:24,814 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:24,815 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:24,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:24,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:24,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:24,967 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:24,969 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:24,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:24,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:24,970 INFO L87 Difference]: Start difference. First operand 133 states and 156 transitions. Second operand 3 states. [2019-09-10 02:50:24,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:24,998 INFO L93 Difference]: Finished difference Result 124 states and 144 transitions. [2019-09-10 02:50:24,999 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:24,999 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-10 02:50:25,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:25,003 INFO L225 Difference]: With dead ends: 124 [2019-09-10 02:50:25,003 INFO L226 Difference]: Without dead ends: 124 [2019-09-10 02:50:25,005 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:25,006 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-09-10 02:50:25,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-09-10 02:50:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-09-10 02:50:25,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2019-09-10 02:50:25,030 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 47 [2019-09-10 02:50:25,031 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:25,031 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2019-09-10 02:50:25,033 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:25,033 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2019-09-10 02:50:25,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-10 02:50:25,036 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:25,036 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:25,036 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:25,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:25,036 INFO L82 PathProgramCache]: Analyzing trace with hash 1136847733, now seen corresponding path program 1 times [2019-09-10 02:50:25,037 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:25,037 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:25,038 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:25,038 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:25,038 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:25,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:25,147 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:25,147 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-10 02:50:25,148 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:25,149 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-10 02:50:25,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-10 02:50:25,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:25,150 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 3 states. [2019-09-10 02:50:25,173 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:25,173 INFO L93 Difference]: Finished difference Result 124 states and 143 transitions. [2019-09-10 02:50:25,179 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-10 02:50:25,179 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 51 [2019-09-10 02:50:25,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:25,181 INFO L225 Difference]: With dead ends: 124 [2019-09-10 02:50:25,181 INFO L226 Difference]: Without dead ends: 124 [2019-09-10 02:50:25,181 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-10 02:50:25,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-09-10 02:50:25,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2019-09-10 02:50:25,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2019-09-10 02:50:25,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 143 transitions. [2019-09-10 02:50:25,194 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 143 transitions. Word has length 51 [2019-09-10 02:50:25,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:25,194 INFO L475 AbstractCegarLoop]: Abstraction has 124 states and 143 transitions. [2019-09-10 02:50:25,194 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-10 02:50:25,194 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 143 transitions. [2019-09-10 02:50:25,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-09-10 02:50:25,199 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:25,199 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:25,200 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:25,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:25,200 INFO L82 PathProgramCache]: Analyzing trace with hash -629251764, now seen corresponding path program 1 times [2019-09-10 02:50:25,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:25,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:25,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:25,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:25,201 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:25,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:25,285 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:25,286 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:25,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-10 02:50:25,286 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:25,286 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-10 02:50:25,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-10 02:50:25,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-10 02:50:25,287 INFO L87 Difference]: Start difference. First operand 124 states and 143 transitions. Second operand 5 states. [2019-09-10 02:50:25,896 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:25,896 INFO L93 Difference]: Finished difference Result 228 states and 261 transitions. [2019-09-10 02:50:25,897 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-10 02:50:25,897 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 64 [2019-09-10 02:50:25,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:25,905 INFO L225 Difference]: With dead ends: 228 [2019-09-10 02:50:25,906 INFO L226 Difference]: Without dead ends: 228 [2019-09-10 02:50:25,906 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-09-10 02:50:25,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2019-09-10 02:50:25,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 210. [2019-09-10 02:50:25,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2019-09-10 02:50:25,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 237 transitions. [2019-09-10 02:50:25,941 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 237 transitions. Word has length 64 [2019-09-10 02:50:25,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:25,944 INFO L475 AbstractCegarLoop]: Abstraction has 210 states and 237 transitions. [2019-09-10 02:50:25,945 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-10 02:50:25,945 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 237 transitions. [2019-09-10 02:50:25,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-09-10 02:50:25,946 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:25,946 INFO L399 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-10 02:50:25,947 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:25,947 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:25,947 INFO L82 PathProgramCache]: Analyzing trace with hash 1171048631, now seen corresponding path program 1 times [2019-09-10 02:50:25,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:25,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:25,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:25,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:25,952 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:26,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-10 02:50:26,104 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-10 02:50:26,105 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-10 02:50:26,105 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:26,107 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-10 02:50:26,107 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-10 02:50:26,108 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-10 02:50:26,108 INFO L87 Difference]: Start difference. First operand 210 states and 237 transitions. Second operand 10 states. [2019-09-10 02:50:26,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:26,709 INFO L93 Difference]: Finished difference Result 494 states and 582 transitions. [2019-09-10 02:50:26,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-10 02:50:26,709 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 78 [2019-09-10 02:50:26,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:26,716 INFO L225 Difference]: With dead ends: 494 [2019-09-10 02:50:26,717 INFO L226 Difference]: Without dead ends: 494 [2019-09-10 02:50:26,717 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-10 02:50:26,718 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2019-09-10 02:50:26,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 484. [2019-09-10 02:50:26,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 484 states. [2019-09-10 02:50:26,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 565 transitions. [2019-09-10 02:50:26,751 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 565 transitions. Word has length 78 [2019-09-10 02:50:26,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:26,752 INFO L475 AbstractCegarLoop]: Abstraction has 484 states and 565 transitions. [2019-09-10 02:50:26,752 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-10 02:50:26,752 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 565 transitions. [2019-09-10 02:50:26,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-09-10 02:50:26,756 INFO L391 BasicCegarLoop]: Found error trace [2019-09-10 02:50:26,756 INFO L399 BasicCegarLoop]: trace histogram [2, 2, 2, 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] [2019-09-10 02:50:26,757 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-10 02:50:26,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:26,757 INFO L82 PathProgramCache]: Analyzing trace with hash 217535125, now seen corresponding path program 1 times [2019-09-10 02:50:26,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-10 02:50:26,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:26,759 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-10 02:50:26,759 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-10 02:50:26,759 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-10 02:50:26,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-10 02:50:26,879 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-09-10 02:50:26,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-10 02:50:26,879 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-10 02:50:26,881 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2019-09-10 02:50:26,883 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [54], [57], [59], [62], [68], [70], [71], [75], [78], [102], [118], [121], [123], [124], [127], [129], [132], [139], [142], [144], [153], [157], [161], [164], [167], [169], [175], [177], [180], [204], [206], [211], [214], [215], [217], [220], [224], [225], [226], [227], [230], [233], [237], [243], [270], [271], [274], [278], [281], [285], [286], [289], [290], [293], [295], [298], [308], [309], [310], [333], [335], [336], [337], [338], [354], [355], [405], [406], [416], [424], [425], [426], [427], [428], [430], [431], [432], [433], [434], [435], [436], [437], [438], [470], [471], [472], [473], [476], [477], [478], [479], [482], [483], [486], [487], [488], [489], [490], [491], [492], [493], [494], [495], [496], [497], [502], [503], [504], [505], [512], [514], [515], [520], [521], [522] [2019-09-10 02:50:26,923 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-10 02:50:26,923 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 02:50:26,994 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 02:50:26,996 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 68 root evaluator evaluations with a maximum evaluation depth of 0. Performed 68 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 126 variables. [2019-09-10 02:50:27,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-10 02:50:27,001 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-10 02:50:27,052 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-10 02:50:27,052 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-10 02:50:27,056 INFO L420 sIntCurrentIteration]: We unified 144 AI predicates to 144 [2019-09-10 02:50:27,057 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-10 02:50:27,057 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-10 02:50:27,058 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-10 02:50:27,058 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-10 02:50:27,059 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-10 02:50:27,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-10 02:50:27,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:27,059 INFO L87 Difference]: Start difference. First operand 484 states and 565 transitions. Second operand 2 states. [2019-09-10 02:50:27,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-10 02:50:27,060 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-10 02:50:27,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-10 02:50:27,060 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 145 [2019-09-10 02:50:27,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-10 02:50:27,061 INFO L225 Difference]: With dead ends: 2 [2019-09-10 02:50:27,061 INFO L226 Difference]: Without dead ends: 0 [2019-09-10 02:50:27,061 INFO L628 BasicCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-10 02:50:27,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-10 02:50:27,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-10 02:50:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-10 02:50:27,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-10 02:50:27,062 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 145 [2019-09-10 02:50:27,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-10 02:50:27,062 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-10 02:50:27,063 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-10 02:50:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-10 02:50:27,063 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-10 02:50:27,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.09 02:50:27 BoogieIcfgContainer [2019-09-10 02:50:27,070 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-10 02:50:27,074 INFO L168 Benchmark]: Toolchain (without parser) took 4842.34 ms. Allocated memory was 134.2 MB in the beginning and 258.5 MB in the end (delta: 124.3 MB). Free memory was 89.6 MB in the beginning and 189.3 MB in the end (delta: -99.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:27,075 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 02:50:27,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 696.39 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.4 MB in the beginning and 165.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:27,078 INFO L168 Benchmark]: Boogie Preprocessor took 81.67 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 160.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:27,080 INFO L168 Benchmark]: RCFGBuilder took 1133.76 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 160.7 MB in the beginning and 193.6 MB in the end (delta: -32.8 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:27,082 INFO L168 Benchmark]: TraceAbstraction took 2925.71 ms. Allocated memory was 227.0 MB in the beginning and 258.5 MB in the end (delta: 31.5 MB). Free memory was 193.6 MB in the beginning and 189.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. [2019-09-10 02:50:27,095 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 134.2 MB. Free memory was 108.8 MB in the beginning and 108.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 696.39 ms. Allocated memory was 134.2 MB in the beginning and 200.3 MB in the end (delta: 66.1 MB). Free memory was 89.4 MB in the beginning and 165.0 MB in the end (delta: -75.5 MB). Peak memory consumption was 27.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.67 ms. Allocated memory is still 200.3 MB. Free memory was 165.0 MB in the beginning and 160.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1133.76 ms. Allocated memory was 200.3 MB in the beginning and 227.0 MB in the end (delta: 26.7 MB). Free memory was 160.7 MB in the beginning and 193.6 MB in the end (delta: -32.8 MB). Peak memory consumption was 87.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2925.71 ms. Allocated memory was 227.0 MB in the beginning and 258.5 MB in the end (delta: 31.5 MB). Free memory was 193.6 MB in the beginning and 189.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 35.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 317]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. SAFE Result, 2.8s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 789 SDtfs, 542 SDslu, 1341 SDs, 0 SdLazy, 588 SolverSat, 151 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 191 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=484occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.1s AbstIntTime, 1 AbstIntIterations, 1 AbstIntStrong, 1.0 AbsIntWeakeningRatio, 0.8819444444444444 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 28 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 431 NumberOfCodeBlocks, 431 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 52877 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 5 PerfectInterpolantSequences, 30/32 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...