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_spec3_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:30:30,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:30:30,155 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:30,171 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:30,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:30,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:30,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:30,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:30,177 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:30,178 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:30,179 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:30:30,180 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:30:30,181 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:30:30,181 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:30:30,182 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:30:30,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:30:30,184 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:30:30,185 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:30:30,187 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:30:30,189 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:30,191 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:30,192 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:30,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:30,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:30,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:30,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:30,197 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:30,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:30,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:30,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:30,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:30,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:30,202 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:30,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:30:30,204 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:30:30,204 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:30:30,205 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:30:30,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:30,205 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:30,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:30,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:30,212 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 [2019-09-20 13:30:30,236 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:30,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:30,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:30,240 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:30,241 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:30,241 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:30,241 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:30,241 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:30,241 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:30,242 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:30,242 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:30,243 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:30,243 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:30,243 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:30,243 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:30,243 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:30,244 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:30,244 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:30,244 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:30,244 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:30,245 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:30,245 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:30,245 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:30,245 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:30,245 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:30,246 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:30,246 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:30,246 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:30,246 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:30,246 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:30,279 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:30,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:30,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:30,297 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:30,297 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:30,298 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2019-09-20 13:30:30,363 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5f20c8d/2c9ebc01ac5647a89f3d5c0fb33e00bb/FLAG8e635216c [2019-09-20 13:30:30,889 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:30,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product49.cil.c [2019-09-20 13:30:30,909 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5f20c8d/2c9ebc01ac5647a89f3d5c0fb33e00bb/FLAG8e635216c [2019-09-20 13:30:31,185 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e5f20c8d/2c9ebc01ac5647a89f3d5c0fb33e00bb [2019-09-20 13:30:31,195 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:31,197 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:31,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:31,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:31,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:31,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:31" (1/1) ... [2019-09-20 13:30:31,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4186516b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31, skipping insertion in model container [2019-09-20 13:30:31,207 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:31" (1/1) ... [2019-09-20 13:30:31,215 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:31,283 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:31,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:31,757 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:31,871 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:31,906 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:31,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31 WrapperNode [2019-09-20 13:30:31,907 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:31,907 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:31,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:31,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:31,921 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31" (1/1) ... [2019-09-20 13:30:31,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31" (1/1) ... [2019-09-20 13:30:31,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31" (1/1) ... [2019-09-20 13:30:31,941 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31" (1/1) ... [2019-09-20 13:30:31,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31" (1/1) ... [2019-09-20 13:30:31,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31" (1/1) ... [2019-09-20 13:30:31,986 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31" (1/1) ... [2019-09-20 13:30:31,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:31,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:31,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:31,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:31,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31" (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 [2019-09-20 13:30:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:32,052 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:30:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:30:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:32,053 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:32,054 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:30:32,055 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:30:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:32,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2019-09-20 13:30:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:32,057 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:30:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:30:32,058 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:32,059 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:32,060 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:32,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:32,061 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:32,062 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:30:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:30:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:32,063 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2019-09-20 13:30:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:30:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:30:32,064 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:30:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:30:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:32,065 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:32,066 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:32,067 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:32,068 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:32,069 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:32,070 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:32,071 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:32,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:32,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:33,162 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:33,162 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:33,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:33 BoogieIcfgContainer [2019-09-20 13:30:33,165 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:33,184 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:33,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:33,188 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:33,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:31" (1/3) ... [2019-09-20 13:30:33,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dedb293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:33, skipping insertion in model container [2019-09-20 13:30:33,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:31" (2/3) ... [2019-09-20 13:30:33,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6dedb293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:33, skipping insertion in model container [2019-09-20 13:30:33,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:33" (3/3) ... [2019-09-20 13:30:33,193 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product49.cil.c [2019-09-20 13:30:33,204 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:33,216 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:33,233 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:33,258 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:33,259 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:33,259 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:33,259 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:33,259 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:33,259 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:33,259 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:33,260 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:33,283 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states. [2019-09-20 13:30:33,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:30:33,298 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:33,300 INFO L407 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] [2019-09-20 13:30:33,302 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:33,308 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:33,309 INFO L82 PathProgramCache]: Analyzing trace with hash 2107173997, now seen corresponding path program 1 times [2019-09-20 13:30:33,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:33,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:33,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:33,371 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:33,371 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:33,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:33,711 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:33,714 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:33,714 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:33,715 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:33,721 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:33,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:33,737 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:33,740 INFO L87 Difference]: Start difference. First operand 180 states. Second operand 2 states. [2019-09-20 13:30:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:33,775 INFO L93 Difference]: Finished difference Result 145 states and 169 transitions. [2019-09-20 13:30:33,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:33,777 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 52 [2019-09-20 13:30:33,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:33,796 INFO L225 Difference]: With dead ends: 145 [2019-09-20 13:30:33,796 INFO L226 Difference]: Without dead ends: 134 [2019-09-20 13:30:33,801 INFO L636 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 [2019-09-20 13:30:33,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-20 13:30:33,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-20 13:30:33,880 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-20 13:30:33,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 157 transitions. [2019-09-20 13:30:33,894 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 157 transitions. Word has length 52 [2019-09-20 13:30:33,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:33,894 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 157 transitions. [2019-09-20 13:30:33,895 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:33,895 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 157 transitions. [2019-09-20 13:30:33,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2019-09-20 13:30:33,906 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:33,907 INFO L407 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] [2019-09-20 13:30:33,907 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:33,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:33,908 INFO L82 PathProgramCache]: Analyzing trace with hash -167379318, now seen corresponding path program 1 times [2019-09-20 13:30:33,908 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:33,911 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:33,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:33,912 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:33,912 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:33,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:34,062 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:34,063 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:34,063 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:34,063 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:34,065 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:34,065 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:34,065 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:34,066 INFO L87 Difference]: Start difference. First operand 134 states and 157 transitions. Second operand 3 states. [2019-09-20 13:30:34,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:34,081 INFO L93 Difference]: Finished difference Result 125 states and 145 transitions. [2019-09-20 13:30:34,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:34,082 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2019-09-20 13:30:34,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:34,087 INFO L225 Difference]: With dead ends: 125 [2019-09-20 13:30:34,087 INFO L226 Difference]: Without dead ends: 125 [2019-09-20 13:30:34,088 INFO L636 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 [2019-09-20 13:30:34,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-20 13:30:34,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-20 13:30:34,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-20 13:30:34,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 145 transitions. [2019-09-20 13:30:34,112 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 145 transitions. Word has length 53 [2019-09-20 13:30:34,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:34,112 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 145 transitions. [2019-09-20 13:30:34,112 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:34,113 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 145 transitions. [2019-09-20 13:30:34,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:30:34,117 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:34,117 INFO L407 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] [2019-09-20 13:30:34,118 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:34,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:34,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1142127631, now seen corresponding path program 1 times [2019-09-20 13:30:34,120 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:34,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:34,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:34,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:34,124 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:34,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:34,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:34,278 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:34,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:34,279 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:34,280 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:34,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:34,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:34,281 INFO L87 Difference]: Start difference. First operand 125 states and 145 transitions. Second operand 3 states. [2019-09-20 13:30:34,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:34,300 INFO L93 Difference]: Finished difference Result 125 states and 144 transitions. [2019-09-20 13:30:34,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:34,301 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2019-09-20 13:30:34,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:34,303 INFO L225 Difference]: With dead ends: 125 [2019-09-20 13:30:34,303 INFO L226 Difference]: Without dead ends: 125 [2019-09-20 13:30:34,304 INFO L636 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 [2019-09-20 13:30:34,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-20 13:30:34,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-20 13:30:34,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-20 13:30:34,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 144 transitions. [2019-09-20 13:30:34,312 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 144 transitions. Word has length 57 [2019-09-20 13:30:34,312 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:34,312 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 144 transitions. [2019-09-20 13:30:34,312 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:34,312 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 144 transitions. [2019-09-20 13:30:34,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-09-20 13:30:34,313 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:34,314 INFO L407 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] [2019-09-20 13:30:34,314 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:34,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:34,314 INFO L82 PathProgramCache]: Analyzing trace with hash -410485180, now seen corresponding path program 1 times [2019-09-20 13:30:34,315 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:34,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:34,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:34,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:34,318 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:34,457 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:34,457 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:30:34,457 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:34,458 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:30:34,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:30:34,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:30:34,459 INFO L87 Difference]: Start difference. First operand 125 states and 144 transitions. Second operand 5 states. [2019-09-20 13:30:35,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:35,084 INFO L93 Difference]: Finished difference Result 231 states and 267 transitions. [2019-09-20 13:30:35,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:30:35,084 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 70 [2019-09-20 13:30:35,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:35,091 INFO L225 Difference]: With dead ends: 231 [2019-09-20 13:30:35,091 INFO L226 Difference]: Without dead ends: 231 [2019-09-20 13:30:35,092 INFO L636 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 [2019-09-20 13:30:35,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2019-09-20 13:30:35,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 213. [2019-09-20 13:30:35,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 213 states. [2019-09-20 13:30:35,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 243 transitions. [2019-09-20 13:30:35,120 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 243 transitions. Word has length 70 [2019-09-20 13:30:35,120 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:35,121 INFO L475 AbstractCegarLoop]: Abstraction has 213 states and 243 transitions. [2019-09-20 13:30:35,121 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:30:35,121 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 243 transitions. [2019-09-20 13:30:35,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2019-09-20 13:30:35,122 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:35,122 INFO L407 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, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:35,122 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:35,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:35,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1731142584, now seen corresponding path program 1 times [2019-09-20 13:30:35,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:35,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:35,126 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:35,126 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:35,126 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:35,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:35,224 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:35,224 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:30:35,224 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:35,226 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:30:35,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:30:35,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:30:35,227 INFO L87 Difference]: Start difference. First operand 213 states and 243 transitions. Second operand 6 states. [2019-09-20 13:30:35,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:35,454 INFO L93 Difference]: Finished difference Result 325 states and 377 transitions. [2019-09-20 13:30:35,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:30:35,455 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 84 [2019-09-20 13:30:35,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:35,466 INFO L225 Difference]: With dead ends: 325 [2019-09-20 13:30:35,466 INFO L226 Difference]: Without dead ends: 325 [2019-09-20 13:30:35,467 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:30:35,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2019-09-20 13:30:35,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 321. [2019-09-20 13:30:35,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2019-09-20 13:30:35,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 373 transitions. [2019-09-20 13:30:35,513 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 373 transitions. Word has length 84 [2019-09-20 13:30:35,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:35,513 INFO L475 AbstractCegarLoop]: Abstraction has 321 states and 373 transitions. [2019-09-20 13:30:35,514 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:30:35,514 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 373 transitions. [2019-09-20 13:30:35,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:35,519 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:35,519 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:35,520 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:35,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:35,520 INFO L82 PathProgramCache]: Analyzing trace with hash -1024694334, now seen corresponding path program 1 times [2019-09-20 13:30:35,520 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:35,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:35,523 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:35,523 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:35,523 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:35,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:35,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:35,653 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:30:35,653 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:35,654 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:30:35,654 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:30:35,655 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:30:35,655 INFO L87 Difference]: Start difference. First operand 321 states and 373 transitions. Second operand 6 states. [2019-09-20 13:30:35,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:35,904 INFO L93 Difference]: Finished difference Result 505 states and 602 transitions. [2019-09-20 13:30:35,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:30:35,905 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-09-20 13:30:35,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:35,910 INFO L225 Difference]: With dead ends: 505 [2019-09-20 13:30:35,910 INFO L226 Difference]: Without dead ends: 505 [2019-09-20 13:30:35,911 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:30:35,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2019-09-20 13:30:35,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 487. [2019-09-20 13:30:35,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 487 states. [2019-09-20 13:30:35,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 487 states and 579 transitions. [2019-09-20 13:30:35,952 INFO L78 Accepts]: Start accepts. Automaton has 487 states and 579 transitions. Word has length 88 [2019-09-20 13:30:35,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:35,953 INFO L475 AbstractCegarLoop]: Abstraction has 487 states and 579 transitions. [2019-09-20 13:30:35,953 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:30:35,953 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 579 transitions. [2019-09-20 13:30:35,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:35,956 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:35,957 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:35,959 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:35,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:35,959 INFO L82 PathProgramCache]: Analyzing trace with hash -1947377917, now seen corresponding path program 1 times [2019-09-20 13:30:35,960 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:35,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:35,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:35,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:35,966 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:35,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:36,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:36,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:36,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:30:36,086 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:36,087 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:30:36,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:30:36,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:30:36,088 INFO L87 Difference]: Start difference. First operand 487 states and 579 transitions. Second operand 5 states. [2019-09-20 13:30:36,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:36,114 INFO L93 Difference]: Finished difference Result 497 states and 589 transitions. [2019-09-20 13:30:36,115 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:30:36,115 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2019-09-20 13:30:36,115 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:36,118 INFO L225 Difference]: With dead ends: 497 [2019-09-20 13:30:36,119 INFO L226 Difference]: Without dead ends: 497 [2019-09-20 13:30:36,119 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:30:36,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-09-20 13:30:36,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 491. [2019-09-20 13:30:36,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-09-20 13:30:36,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 582 transitions. [2019-09-20 13:30:36,139 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 582 transitions. Word has length 88 [2019-09-20 13:30:36,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:36,140 INFO L475 AbstractCegarLoop]: Abstraction has 491 states and 582 transitions. [2019-09-20 13:30:36,140 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:30:36,140 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 582 transitions. [2019-09-20 13:30:36,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:36,142 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:36,142 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:36,142 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:36,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:36,143 INFO L82 PathProgramCache]: Analyzing trace with hash 1503583877, now seen corresponding path program 1 times [2019-09-20 13:30:36,143 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:36,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:36,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:36,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:36,145 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:36,243 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:36,243 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:36,243 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:30:36,243 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:36,246 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:30:36,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:30:36,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:30:36,247 INFO L87 Difference]: Start difference. First operand 491 states and 582 transitions. Second operand 9 states. [2019-09-20 13:30:36,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:36,311 INFO L93 Difference]: Finished difference Result 497 states and 589 transitions. [2019-09-20 13:30:36,312 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:30:36,312 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 88 [2019-09-20 13:30:36,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:36,315 INFO L225 Difference]: With dead ends: 497 [2019-09-20 13:30:36,316 INFO L226 Difference]: Without dead ends: 497 [2019-09-20 13:30:36,316 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:36,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-09-20 13:30:36,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 491. [2019-09-20 13:30:36,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 491 states. [2019-09-20 13:30:36,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 491 states and 580 transitions. [2019-09-20 13:30:36,353 INFO L78 Accepts]: Start accepts. Automaton has 491 states and 580 transitions. Word has length 88 [2019-09-20 13:30:36,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:36,354 INFO L475 AbstractCegarLoop]: Abstraction has 491 states and 580 transitions. [2019-09-20 13:30:36,354 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:30:36,354 INFO L276 IsEmpty]: Start isEmpty. Operand 491 states and 580 transitions. [2019-09-20 13:30:36,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:30:36,363 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:36,363 INFO L407 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:30:36,363 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:36,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:36,364 INFO L82 PathProgramCache]: Analyzing trace with hash -254991864, now seen corresponding path program 1 times [2019-09-20 13:30:36,364 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:36,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:36,367 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:36,367 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:36,367 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:36,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:30:36,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:36,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:30:36,514 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:36,514 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:30:36,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:30:36,515 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:36,515 INFO L87 Difference]: Start difference. First operand 491 states and 580 transitions. Second operand 10 states. [2019-09-20 13:30:36,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:36,798 INFO L93 Difference]: Finished difference Result 497 states and 574 transitions. [2019-09-20 13:30:36,798 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-09-20 13:30:36,799 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2019-09-20 13:30:36,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:36,801 INFO L225 Difference]: With dead ends: 497 [2019-09-20 13:30:36,801 INFO L226 Difference]: Without dead ends: 497 [2019-09-20 13:30:36,801 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:30:36,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 497 states. [2019-09-20 13:30:36,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 497 to 480. [2019-09-20 13:30:36,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2019-09-20 13:30:36,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 549 transitions. [2019-09-20 13:30:36,818 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 549 transitions. Word has length 89 [2019-09-20 13:30:36,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:36,819 INFO L475 AbstractCegarLoop]: Abstraction has 480 states and 549 transitions. [2019-09-20 13:30:36,819 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:30:36,819 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 549 transitions. [2019-09-20 13:30:36,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-09-20 13:30:36,821 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:36,821 INFO L407 BasicCegarLoop]: trace histogram [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] [2019-09-20 13:30:36,822 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:36,822 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:36,822 INFO L82 PathProgramCache]: Analyzing trace with hash 621122269, now seen corresponding path program 1 times [2019-09-20 13:30:36,822 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:36,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:36,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:36,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:36,825 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:36,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:36,922 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 16 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-09-20 13:30:36,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:36,922 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:36,924 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 139 with the following transitions: [2019-09-20 13:30:36,927 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [83], [85], [88], [92], [93], [94], [110], [113], [115], [116], [119], [121], [124], [131], [134], [136], [145], [149], [153], [156], [159], [161], [167], [169], [172], [187], [188], [198], [199], [200], [202], [205], [209], [210], [211], [212], [213], [214], [217], [220], [224], [230], [259], [263], [264], [267], [269], [272], [282], [285], [289], [290], [293], [294], [295], [322], [323], [388], [389], [399], [401], [404], [406], [408], [411], [413], [418], [424], [425], [433], [434], [435], [436], [437], [438], [439], [440], [441], [473], [474], [475], [476], [477], [478], [481], [482], [483], [484], [487], [488], [491], [492], [493], [494], [495], [496], [497], [498], [503], [504], [505], [506], [513], [521], [522], [523], [524], [525], [526], [527], [529], [530], [531] [2019-09-20 13:30:36,974 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:36,974 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:37,066 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:37,068 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. [2019-09-20 13:30:37,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:37,073 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:37,124 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:37,125 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:37,129 INFO L420 sIntCurrentIteration]: We unified 137 AI predicates to 137 [2019-09-20 13:30:37,130 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:37,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:37,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 6 [2019-09-20 13:30:37,131 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:37,132 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:37,132 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:37,132 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:37,132 INFO L87 Difference]: Start difference. First operand 480 states and 549 transitions. Second operand 2 states. [2019-09-20 13:30:37,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:37,133 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:37,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:37,133 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 138 [2019-09-20 13:30:37,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:37,133 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:37,134 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:37,134 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:37,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:37,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:37,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:37,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:37,135 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 138 [2019-09-20 13:30:37,135 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:37,135 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:37,135 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:37,135 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:37,135 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:37,141 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:37 BoogieIcfgContainer [2019-09-20 13:30:37,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:37,143 INFO L168 Benchmark]: Toolchain (without parser) took 5945.81 ms. Allocated memory was 137.9 MB in the beginning and 339.2 MB in the end (delta: 201.3 MB). Free memory was 84.6 MB in the beginning and 289.3 MB in the end (delta: -204.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:30:37,144 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:30:37,145 INFO L168 Benchmark]: CACSL2BoogieTranslator took 708.87 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 164.1 MB in the end (delta: -79.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:37,146 INFO L168 Benchmark]: Boogie Preprocessor took 86.77 ms. Allocated memory is still 198.2 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:37,147 INFO L168 Benchmark]: RCFGBuilder took 1170.22 ms. Allocated memory is still 198.2 MB. Free memory was 159.6 MB in the beginning and 73.2 MB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:37,148 INFO L168 Benchmark]: TraceAbstraction took 3957.35 ms. Allocated memory was 219.2 MB in the beginning and 339.2 MB in the end (delta: 120.1 MB). Free memory was 189.7 MB in the beginning and 289.3 MB in the end (delta: -99.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:37,151 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 103.8 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 708.87 ms. Allocated memory was 137.9 MB in the beginning and 198.2 MB in the end (delta: 60.3 MB). Free memory was 84.4 MB in the beginning and 164.1 MB in the end (delta: -79.7 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.77 ms. Allocated memory is still 198.2 MB. Free memory was 164.1 MB in the beginning and 159.6 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1170.22 ms. Allocated memory is still 198.2 MB. Free memory was 159.6 MB in the beginning and 73.2 MB in the end (delta: 86.3 MB). Peak memory consumption was 86.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3957.35 ms. Allocated memory was 219.2 MB in the beginning and 339.2 MB in the end (delta: 120.1 MB). Free memory was 189.7 MB in the beginning and 289.3 MB in the end (delta: -99.5 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 959]: 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 40 procedures, 238 locations, 1 error locations. SAFE Result, 3.8s OverallTime, 10 OverallIterations, 2 TraceHistogramMax, 1.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1438 SDtfs, 629 SDslu, 4148 SDs, 0 SdLazy, 599 SolverSat, 144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 215 GetRequests, 170 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=491occurred in iteration=7, 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, 0.9343065693430657 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 69 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 807 NumberOfCodeBlocks, 807 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 797 ConstructedInterpolants, 0 QuantifiedInterpolants, 98626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 22/24 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...