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_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:30:08,151 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:30:08,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:30:08,164 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:30:08,165 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:30:08,166 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:30:08,167 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:30:08,169 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:30:08,171 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:30:08,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:30:08,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:30:08,174 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:30:08,175 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:30:08,176 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:30:08,177 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:30:08,178 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:30:08,179 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:30:08,180 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:30:08,182 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:30:08,184 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:30:08,186 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:30:08,187 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:30:08,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:30:08,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:30:08,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:30:08,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:30:08,192 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:30:08,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:30:08,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:30:08,198 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:30:08,199 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:30:08,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:30:08,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:30:08,204 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:30:08,206 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:30:08,206 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:30:08,209 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:30:08,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:30:08,210 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:30:08,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:30:08,211 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:30:08,215 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 13:30:08,246 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:30:08,246 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:30:08,247 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:30:08,249 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:30:08,250 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:30:08,250 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:30:08,250 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:30:08,250 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:30:08,251 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:30:08,251 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:30:08,251 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:30:08,252 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:30:08,252 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:30:08,252 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:30:08,252 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:30:08,252 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:30:08,253 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:30:08,253 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:30:08,253 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:30:08,254 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:30:08,254 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:30:08,255 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:30:08,255 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:30:08,255 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:30:08,256 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:30:08,256 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:30:08,256 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:30:08,256 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:30:08,257 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:30:08,257 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:30:08,297 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:30:08,313 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:30:08,319 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:30:08,320 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:30:08,321 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:30:08,322 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-09-20 13:30:08,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16856c581/a7b57deea1cf4872b4b25dae76b82613/FLAGea3f35c24 [2019-09-20 13:30:08,985 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:30:08,986 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2019-09-20 13:30:09,003 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16856c581/a7b57deea1cf4872b4b25dae76b82613/FLAGea3f35c24 [2019-09-20 13:30:09,280 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16856c581/a7b57deea1cf4872b4b25dae76b82613 [2019-09-20 13:30:09,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:30:09,290 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:30:09,291 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:09,291 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:30:09,295 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:30:09,296 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:09" (1/1) ... [2019-09-20 13:30:09,299 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@51aa4cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:09, skipping insertion in model container [2019-09-20 13:30:09,299 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:30:09" (1/1) ... [2019-09-20 13:30:09,307 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:30:09,349 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:30:09,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:09,917 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:30:10,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:30:10,077 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:30:10,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10 WrapperNode [2019-09-20 13:30:10,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:30:10,078 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:30:10,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:30:10,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:30:10,093 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10" (1/1) ... [2019-09-20 13:30:10,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10" (1/1) ... [2019-09-20 13:30:10,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10" (1/1) ... [2019-09-20 13:30:10,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10" (1/1) ... [2019-09-20 13:30:10,158 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10" (1/1) ... [2019-09-20 13:30:10,168 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10" (1/1) ... [2019-09-20 13:30:10,173 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10" (1/1) ... [2019-09-20 13:30:10,181 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:30:10,182 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:30:10,182 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:30:10,182 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:30:10,183 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10" (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 13:30:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:30:10,255 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:30:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:30:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:30:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:30:10,256 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:30:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:30:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:30:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:30:10,257 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:30:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:30:10,258 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:30:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:30:10,259 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:30:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:30:10,260 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:30:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:30:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:30:10,261 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:30:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:30:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:30:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:30:10,262 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:30:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:30:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:30:10,263 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:30:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:30:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:30:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:30:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:30:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:30:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:30:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:30:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:10,265 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:30:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:30:10,266 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:30:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:30:10,266 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:30:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:30:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:30:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:30:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:30:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:30:10,267 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:30:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:30:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:30:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:30:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:30:10,268 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:30:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:30:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:30:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:30:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-09-20 13:30:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:30:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:30:10,269 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:30:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:30:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:30:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:30:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:30:10,270 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:30:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-09-20 13:30:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:30:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:30:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:30:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:30:10,271 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:30:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:30:10,272 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:30:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:30:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:30:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:30:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:30:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:30:10,273 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:30:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:30:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:30:10,274 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:30:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:30:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:30:10,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:30:10,276 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:30:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:30:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:30:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:30:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:30:10,277 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:30:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:30:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:30:10,278 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:30:11,336 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:30:11,337 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:30:11,338 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:11 BoogieIcfgContainer [2019-09-20 13:30:11,338 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:30:11,340 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:30:11,340 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:30:11,343 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:30:11,343 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:30:09" (1/3) ... [2019-09-20 13:30:11,344 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8f2613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:11, skipping insertion in model container [2019-09-20 13:30:11,344 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:30:10" (2/3) ... [2019-09-20 13:30:11,345 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e8f2613 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:30:11, skipping insertion in model container [2019-09-20 13:30:11,345 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:30:11" (3/3) ... [2019-09-20 13:30:11,347 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2019-09-20 13:30:11,357 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:30:11,369 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:30:11,386 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:30:11,416 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:30:11,416 INFO L378 AbstractCegarLoop]: Hoare is false [2019-09-20 13:30:11,416 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:30:11,416 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:30:11,416 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:30:11,416 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:30:11,417 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:30:11,417 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:30:11,445 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2019-09-20 13:30:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-09-20 13:30:11,459 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:11,460 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] [2019-09-20 13:30:11,462 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:11,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:11,467 INFO L82 PathProgramCache]: Analyzing trace with hash 652232891, now seen corresponding path program 1 times [2019-09-20 13:30:11,469 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:11,517 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:11,517 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:11,518 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:11,518 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:11,846 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 13:30:11,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:11,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:30:11,849 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:11,855 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:11,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:11,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:11,872 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2019-09-20 13:30:11,917 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:11,918 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2019-09-20 13:30:11,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:11,920 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-09-20 13:30:11,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:11,942 INFO L225 Difference]: With dead ends: 145 [2019-09-20 13:30:11,942 INFO L226 Difference]: Without dead ends: 134 [2019-09-20 13:30:11,944 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 13:30:11,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2019-09-20 13:30:11,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2019-09-20 13:30:11,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2019-09-20 13:30:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2019-09-20 13:30:11,993 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2019-09-20 13:30:11,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:11,994 INFO L475 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2019-09-20 13:30:11,994 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:11,994 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2019-09-20 13:30:11,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:30:11,998 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:11,998 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 13:30:11,998 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:11,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:11,999 INFO L82 PathProgramCache]: Analyzing trace with hash -564528421, now seen corresponding path program 1 times [2019-09-20 13:30:11,999 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:12,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:12,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,002 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:12,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:12,118 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 13:30:12,119 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:12,119 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:12,119 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:12,122 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:12,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:12,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:12,123 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2019-09-20 13:30:12,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:12,149 INFO L93 Difference]: Finished difference Result 125 states and 147 transitions. [2019-09-20 13:30:12,150 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:12,150 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-09-20 13:30:12,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:12,153 INFO L225 Difference]: With dead ends: 125 [2019-09-20 13:30:12,153 INFO L226 Difference]: Without dead ends: 125 [2019-09-20 13:30:12,155 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 13:30:12,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2019-09-20 13:30:12,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2019-09-20 13:30:12,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2019-09-20 13:30:12,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2019-09-20 13:30:12,185 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2019-09-20 13:30:12,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:12,185 INFO L475 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2019-09-20 13:30:12,185 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:12,186 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2019-09-20 13:30:12,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-09-20 13:30:12,188 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:12,188 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] [2019-09-20 13:30:12,188 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:12,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:12,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879035, now seen corresponding path program 1 times [2019-09-20 13:30:12,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:12,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:12,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,192 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:12,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:12,352 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 13:30:12,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:12,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:30:12,353 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:12,354 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:30:12,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:30:12,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:12,355 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 7 states. [2019-09-20 13:30:12,842 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:12,843 INFO L93 Difference]: Finished difference Result 273 states and 330 transitions. [2019-09-20 13:30:12,843 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:30:12,843 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-09-20 13:30:12,844 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:12,848 INFO L225 Difference]: With dead ends: 273 [2019-09-20 13:30:12,849 INFO L226 Difference]: Without dead ends: 273 [2019-09-20 13:30:12,849 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:30:12,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2019-09-20 13:30:12,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 265. [2019-09-20 13:30:12,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2019-09-20 13:30:12,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 324 transitions. [2019-09-20 13:30:12,887 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 324 transitions. Word has length 56 [2019-09-20 13:30:12,887 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:12,887 INFO L475 AbstractCegarLoop]: Abstraction has 265 states and 324 transitions. [2019-09-20 13:30:12,887 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:30:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 324 transitions. [2019-09-20 13:30:12,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2019-09-20 13:30:12,898 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:12,898 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] [2019-09-20 13:30:12,898 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:12,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:12,899 INFO L82 PathProgramCache]: Analyzing trace with hash -773448372, now seen corresponding path program 1 times [2019-09-20 13:30:12,899 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:12,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:12,905 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:12,905 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:13,087 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 13:30:13,088 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:13,088 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:30:13,088 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:13,089 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:30:13,089 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:30:13,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:30:13,089 INFO L87 Difference]: Start difference. First operand 265 states and 324 transitions. Second operand 6 states. [2019-09-20 13:30:13,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:13,302 INFO L93 Difference]: Finished difference Result 484 states and 594 transitions. [2019-09-20 13:30:13,303 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:30:13,303 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 62 [2019-09-20 13:30:13,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:13,308 INFO L225 Difference]: With dead ends: 484 [2019-09-20 13:30:13,309 INFO L226 Difference]: Without dead ends: 484 [2019-09-20 13:30:13,309 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 13:30:13,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2019-09-20 13:30:13,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 478. [2019-09-20 13:30:13,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 478 states. [2019-09-20 13:30:13,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 588 transitions. [2019-09-20 13:30:13,349 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 588 transitions. Word has length 62 [2019-09-20 13:30:13,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:13,349 INFO L475 AbstractCegarLoop]: Abstraction has 478 states and 588 transitions. [2019-09-20 13:30:13,350 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:30:13,350 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 588 transitions. [2019-09-20 13:30:13,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2019-09-20 13:30:13,352 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:13,353 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] [2019-09-20 13:30:13,353 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:13,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:13,353 INFO L82 PathProgramCache]: Analyzing trace with hash -1032831448, now seen corresponding path program 1 times [2019-09-20 13:30:13,354 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:13,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:13,357 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:13,357 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:13,357 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:13,455 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 13:30:13,455 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:13,456 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:30:13,456 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:13,456 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:30:13,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:30:13,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:13,457 INFO L87 Difference]: Start difference. First operand 478 states and 588 transitions. Second operand 7 states. [2019-09-20 13:30:14,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:14,165 INFO L93 Difference]: Finished difference Result 795 states and 1018 transitions. [2019-09-20 13:30:14,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:30:14,166 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 66 [2019-09-20 13:30:14,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:14,179 INFO L225 Difference]: With dead ends: 795 [2019-09-20 13:30:14,180 INFO L226 Difference]: Without dead ends: 795 [2019-09-20 13:30:14,181 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:30:14,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2019-09-20 13:30:14,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 699. [2019-09-20 13:30:14,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-09-20 13:30:14,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 855 transitions. [2019-09-20 13:30:14,248 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 855 transitions. Word has length 66 [2019-09-20 13:30:14,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:14,248 INFO L475 AbstractCegarLoop]: Abstraction has 699 states and 855 transitions. [2019-09-20 13:30:14,248 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:30:14,249 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 855 transitions. [2019-09-20 13:30:14,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:14,251 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:14,251 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 13:30:14,251 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:14,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:14,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1961211398, now seen corresponding path program 1 times [2019-09-20 13:30:14,252 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:14,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:14,255 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,255 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:14,362 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 13:30:14,362 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:14,362 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:30:14,362 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:14,363 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:30:14,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:30:14,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:30:14,364 INFO L87 Difference]: Start difference. First operand 699 states and 855 transitions. Second operand 4 states. [2019-09-20 13:30:14,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:14,606 INFO L93 Difference]: Finished difference Result 1889 states and 2437 transitions. [2019-09-20 13:30:14,607 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:30:14,607 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 88 [2019-09-20 13:30:14,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:14,619 INFO L225 Difference]: With dead ends: 1889 [2019-09-20 13:30:14,619 INFO L226 Difference]: Without dead ends: 1889 [2019-09-20 13:30:14,620 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:30:14,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1889 states. [2019-09-20 13:30:14,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1889 to 1843. [2019-09-20 13:30:14,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1843 states. [2019-09-20 13:30:14,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1843 states to 1843 states and 2345 transitions. [2019-09-20 13:30:14,712 INFO L78 Accepts]: Start accepts. Automaton has 1843 states and 2345 transitions. Word has length 88 [2019-09-20 13:30:14,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:14,712 INFO L475 AbstractCegarLoop]: Abstraction has 1843 states and 2345 transitions. [2019-09-20 13:30:14,713 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:30:14,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2345 transitions. [2019-09-20 13:30:14,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:14,717 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:14,717 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 13:30:14,717 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:14,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:14,718 INFO L82 PathProgramCache]: Analyzing trace with hash 608275001, now seen corresponding path program 1 times [2019-09-20 13:30:14,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:14,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,723 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:14,723 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,723 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:14,834 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 13:30:14,834 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:14,834 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:30:14,835 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:14,835 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:30:14,835 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:30:14,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:30:14,836 INFO L87 Difference]: Start difference. First operand 1843 states and 2345 transitions. Second operand 6 states. [2019-09-20 13:30:14,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:14,879 INFO L93 Difference]: Finished difference Result 1903 states and 2409 transitions. [2019-09-20 13:30:14,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:30:14,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2019-09-20 13:30:14,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:14,891 INFO L225 Difference]: With dead ends: 1903 [2019-09-20 13:30:14,891 INFO L226 Difference]: Without dead ends: 1903 [2019-09-20 13:30:14,892 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:30:14,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1903 states. [2019-09-20 13:30:14,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1903 to 1903. [2019-09-20 13:30:14,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1903 states. [2019-09-20 13:30:14,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1903 states to 1903 states and 2409 transitions. [2019-09-20 13:30:14,968 INFO L78 Accepts]: Start accepts. Automaton has 1903 states and 2409 transitions. Word has length 88 [2019-09-20 13:30:14,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:14,970 INFO L475 AbstractCegarLoop]: Abstraction has 1903 states and 2409 transitions. [2019-09-20 13:30:14,970 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:30:14,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2409 transitions. [2019-09-20 13:30:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2019-09-20 13:30:14,973 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:14,974 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 13:30:14,974 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:14,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:14,974 INFO L82 PathProgramCache]: Analyzing trace with hash 1309874875, now seen corresponding path program 1 times [2019-09-20 13:30:14,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:14,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:14,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:14,977 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:15,103 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 13:30:15,103 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:15,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:30:15,104 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:15,104 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:30:15,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:30:15,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:30:15,105 INFO L87 Difference]: Start difference. First operand 1903 states and 2409 transitions. Second operand 8 states. [2019-09-20 13:30:15,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:15,147 INFO L93 Difference]: Finished difference Result 1659 states and 2059 transitions. [2019-09-20 13:30:15,148 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:30:15,148 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 88 [2019-09-20 13:30:15,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:15,157 INFO L225 Difference]: With dead ends: 1659 [2019-09-20 13:30:15,158 INFO L226 Difference]: Without dead ends: 1659 [2019-09-20 13:30:15,158 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:30:15,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1659 states. [2019-09-20 13:30:15,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1659 to 1659. [2019-09-20 13:30:15,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1659 states. [2019-09-20 13:30:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1659 states and 2059 transitions. [2019-09-20 13:30:15,228 INFO L78 Accepts]: Start accepts. Automaton has 1659 states and 2059 transitions. Word has length 88 [2019-09-20 13:30:15,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:15,229 INFO L475 AbstractCegarLoop]: Abstraction has 1659 states and 2059 transitions. [2019-09-20 13:30:15,229 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:30:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 1659 states and 2059 transitions. [2019-09-20 13:30:15,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-09-20 13:30:15,233 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:15,233 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, 1, 1, 1] [2019-09-20 13:30:15,233 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:15,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:15,234 INFO L82 PathProgramCache]: Analyzing trace with hash 1814435734, now seen corresponding path program 1 times [2019-09-20 13:30:15,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:15,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:15,237 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:15,237 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:15,237 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:15,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:15,331 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 13:30:15,332 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:30:15,332 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:30:15,332 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:15,333 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:30:15,333 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:30:15,333 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:30:15,333 INFO L87 Difference]: Start difference. First operand 1659 states and 2059 transitions. Second operand 3 states. [2019-09-20 13:30:15,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:15,386 INFO L93 Difference]: Finished difference Result 2627 states and 3363 transitions. [2019-09-20 13:30:15,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:30:15,386 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 92 [2019-09-20 13:30:15,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:15,403 INFO L225 Difference]: With dead ends: 2627 [2019-09-20 13:30:15,403 INFO L226 Difference]: Without dead ends: 2627 [2019-09-20 13:30:15,403 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 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 13:30:15,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2627 states. [2019-09-20 13:30:15,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2627 to 2467. [2019-09-20 13:30:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2467 states. [2019-09-20 13:30:15,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2467 states and 3173 transitions. [2019-09-20 13:30:15,511 INFO L78 Accepts]: Start accepts. Automaton has 2467 states and 3173 transitions. Word has length 92 [2019-09-20 13:30:15,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:15,511 INFO L475 AbstractCegarLoop]: Abstraction has 2467 states and 3173 transitions. [2019-09-20 13:30:15,511 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:30:15,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2467 states and 3173 transitions. [2019-09-20 13:30:15,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-09-20 13:30:15,525 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:30:15,526 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:30:15,526 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:30:15,526 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:15,527 INFO L82 PathProgramCache]: Analyzing trace with hash -374585462, now seen corresponding path program 1 times [2019-09-20 13:30:15,527 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2019-09-20 13:30:15,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:15,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:30:15,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:30:15,530 INFO L289 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2019-09-20 13:30:15,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:30:15,715 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-20 13:30:15,716 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:30:15,716 INFO L193 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2019-09-20 13:30:15,717 INFO L205 CegarAbsIntRunner]: Running AI on error trace of length 151 with the following transitions: [2019-09-20 13:30:15,719 INFO L207 CegarAbsIntRunner]: [50], [51], [52], [56], [59], [92], [108], [112], [113], [114], [117], [119], [125], [129], [132], [133], [134], [143], [147], [151], [154], [157], [159], [162], [165], [167], [170], [186], [188], [191], [193], [196], [199], [202], [210], [220], [221], [222], [223], [226], [228], [233], [235], [236], [237], [238], [241], [244], [248], [254], [283], [287], [288], [291], [293], [296], [303], [306], [309], [313], [314], [317], [318], [319], [343], [345], [346], [413], [414], [419], [421], [424], [432], [433], [434], [435], [436], [437], [438], [439], [440], [474], [475], [478], [479], [480], [481], [482], [483], [484], [485], [488], [489], [492], [493], [494], [495], [496], [498], [499], [500], [501], [502], [503], [504], [505], [510], [511], [512], [513], [516], [517], [520], [521], [522], [524], [525], [530], [531], [532] [2019-09-20 13:30:15,770 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-09-20 13:30:15,770 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:30:15,867 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:30:15,871 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-09-20 13:30:15,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:30:15,877 INFO L403 sIntCurrentIteration]: Generating AbsInt predicates [2019-09-20 13:30:15,981 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-09-20 13:30:15,982 INFO L418 sIntCurrentIteration]: Unifying AI predicates [2019-09-20 13:30:15,986 INFO L420 sIntCurrentIteration]: We unified 149 AI predicates to 149 [2019-09-20 13:30:15,987 INFO L429 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-09-20 13:30:15,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:30:15,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [13] total 13 [2019-09-20 13:30:15,988 INFO L257 anRefinementStrategy]: Using the first perfect interpolant sequence [2019-09-20 13:30:15,988 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:30:15,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:30:15,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:30:15,989 INFO L87 Difference]: Start difference. First operand 2467 states and 3173 transitions. Second operand 2 states. [2019-09-20 13:30:15,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:30:15,990 INFO L93 Difference]: Finished difference Result 2 states and 1 transitions. [2019-09-20 13:30:15,990 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:30:15,990 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 150 [2019-09-20 13:30:15,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:30:15,990 INFO L225 Difference]: With dead ends: 2 [2019-09-20 13:30:15,991 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:30:15,991 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 149 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 13:30:15,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:30:15,991 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:30:15,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:30:15,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:30:15,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 150 [2019-09-20 13:30:15,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:30:15,992 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:30:15,993 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:30:15,993 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:30:15,993 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:30:15,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:30:15 BoogieIcfgContainer [2019-09-20 13:30:15,997 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:30:15,999 INFO L168 Benchmark]: Toolchain (without parser) took 6708.63 ms. Allocated memory was 131.6 MB in the beginning and 331.4 MB in the end (delta: 199.8 MB). Free memory was 86.4 MB in the beginning and 94.1 MB in the end (delta: -7.6 MB). Peak memory consumption was 192.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:16,000 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:30:16,001 INFO L168 Benchmark]: CACSL2BoogieTranslator took 787.13 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 86.2 MB in the beginning and 164.2 MB in the end (delta: -78.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:16,002 INFO L168 Benchmark]: Boogie Preprocessor took 102.72 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 160.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:16,003 INFO L168 Benchmark]: RCFGBuilder took 1156.93 ms. Allocated memory was 200.3 MB in the beginning and 221.8 MB in the end (delta: 21.5 MB). Free memory was 160.3 MB in the beginning and 191.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:16,004 INFO L168 Benchmark]: TraceAbstraction took 4657.46 ms. Allocated memory was 221.8 MB in the beginning and 331.4 MB in the end (delta: 109.6 MB). Free memory was 191.1 MB in the beginning and 94.1 MB in the end (delta: 97.0 MB). Peak memory consumption was 206.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:30:16,008 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 131.6 MB. Free memory was 105.7 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 787.13 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 86.2 MB in the beginning and 164.2 MB in the end (delta: -78.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.72 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 160.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1156.93 ms. Allocated memory was 200.3 MB in the beginning and 221.8 MB in the end (delta: 21.5 MB). Free memory was 160.3 MB in the beginning and 191.1 MB in the end (delta: -30.8 MB). Peak memory consumption was 92.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4657.46 ms. Allocated memory was 221.8 MB in the beginning and 331.4 MB in the end (delta: 109.6 MB). Free memory was 191.1 MB in the beginning and 94.1 MB in the end (delta: 97.0 MB). Peak memory consumption was 206.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: 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, 236 locations, 1 error locations. SAFE Result, 4.5s OverallTime, 10 OverallIterations, 3 TraceHistogramMax, 1.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1520 SDtfs, 927 SDslu, 3258 SDs, 0 SdLazy, 892 SolverSat, 171 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 229 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2467occurred in iteration=9, 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, 0.8322147651006712 AbsIntAvgWeakeningVarsNumRemoved, 0.0 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 10 MinimizatonAttempts, 316 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 793 NumberOfCodeBlocks, 793 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 110371 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 39/41 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...