/usr/bin/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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 01:01:41,132 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 01:01:41,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 01:01:41,152 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 01:01:41,152 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 01:01:41,154 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 01:01:41,156 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 01:01:41,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 01:01:41,164 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 01:01:41,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 01:01:41,169 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 01:01:41,171 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 01:01:41,171 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 01:01:41,175 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 01:01:41,176 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 01:01:41,177 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 01:01:41,178 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 01:01:41,179 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 01:01:41,180 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 01:01:41,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 01:01:41,183 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 01:01:41,185 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 01:01:41,186 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 01:01:41,187 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 01:01:41,192 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 01:01:41,192 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 01:01:41,193 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 01:01:41,194 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 01:01:41,194 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 01:01:41,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 01:01:41,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 01:01:41,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 01:01:41,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 01:01:41,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 01:01:41,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 01:01:41,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 01:01:41,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 01:01:41,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 01:01:41,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 01:01:41,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 01:01:41,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 01:01:41,202 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-07 01:01:41,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 01:01:41,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 01:01:41,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 01:01:41,225 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 01:01:41,225 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 01:01:41,225 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 01:01:41,225 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 01:01:41,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 01:01:41,226 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 01:01:41,226 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 01:01:41,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 01:01:41,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 01:01:41,228 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 01:01:41,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 01:01:41,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 01:01:41,228 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 01:01:41,229 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 01:01:41,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 01:01:41,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 01:01:41,229 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 01:01:41,230 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 01:01:41,230 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 01:01:41,230 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 01:01:41,230 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 01:01:41,231 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 01:01:41,231 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 01:01:41,231 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 01:01:41,231 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 01:01:41,231 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 01:01:41,513 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 01:01:41,525 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 01:01:41,529 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 01:01:41,530 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 01:01:41,531 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 01:01:41,532 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2019-11-07 01:01:41,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d84b4411/b9f54d6f909841eab36e7d89152f3bfc/FLAG02be0565f [2019-11-07 01:01:42,148 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 01:01:42,149 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product29.cil.c [2019-11-07 01:01:42,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d84b4411/b9f54d6f909841eab36e7d89152f3bfc/FLAG02be0565f [2019-11-07 01:01:42,431 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1d84b4411/b9f54d6f909841eab36e7d89152f3bfc [2019-11-07 01:01:42,440 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 01:01:42,441 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 01:01:42,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:42,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 01:01:42,446 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 01:01:42,447 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:42" (1/1) ... [2019-11-07 01:01:42,450 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@100a49f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:42, skipping insertion in model container [2019-11-07 01:01:42,450 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 01:01:42" (1/1) ... [2019-11-07 01:01:42,458 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 01:01:42,502 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 01:01:42,945 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:42,960 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 01:01:43,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 01:01:43,122 INFO L192 MainTranslator]: Completed translation [2019-11-07 01:01:43,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43 WrapperNode [2019-11-07 01:01:43,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 01:01:43,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 01:01:43,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 01:01:43,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 01:01:43,135 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43" (1/1) ... [2019-11-07 01:01:43,135 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43" (1/1) ... [2019-11-07 01:01:43,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43" (1/1) ... [2019-11-07 01:01:43,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43" (1/1) ... [2019-11-07 01:01:43,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43" (1/1) ... [2019-11-07 01:01:43,205 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43" (1/1) ... [2019-11-07 01:01:43,209 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43" (1/1) ... [2019-11-07 01:01:43,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 01:01:43,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 01:01:43,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 01:01:43,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 01:01:43,219 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43" (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 [2019-11-07 01:01:43,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 01:01:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 01:01:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 01:01:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 01:01:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 01:01:43,276 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 01:01:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 01:01:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 01:01:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-11-07 01:01:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 01:01:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:43,277 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 01:01:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 01:01:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 01:01:43,278 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 01:01:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 01:01:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 01:01:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 01:01:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 01:01:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 01:01:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 01:01:43,279 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:01:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 01:01:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:01:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 01:01:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 01:01:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 01:01:43,280 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 01:01:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 01:01:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-11-07 01:01:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 01:01:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 01:01:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 01:01:43,281 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 01:01:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 01:01:43,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 01:01:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 01:01:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 01:01:43,282 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 01:01:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 01:01:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 01:01:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 01:01:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 01:01:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 01:01:43,283 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-11-07 01:01:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 01:01:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 01:01:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 01:01:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 01:01:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 01:01:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 01:01:43,284 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 01:01:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 01:01:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 01:01:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 01:01:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 01:01:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 01:01:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 01:01:43,285 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 01:01:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 01:01:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 01:01:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 01:01:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 01:01:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 01:01:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 01:01:43,286 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 01:01:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 01:01:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 01:01:43,287 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 01:01:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 01:01:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 01:01:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 01:01:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 01:01:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 01:01:43,290 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-11-07 01:01:43,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 01:01:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 01:01:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-11-07 01:01:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 01:01:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 01:01:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-11-07 01:01:43,292 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 01:01:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 01:01:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 01:01:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 01:01:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 01:01:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 01:01:43,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 01:01:44,458 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 01:01:44,458 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 01:01:44,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:44 BoogieIcfgContainer [2019-11-07 01:01:44,462 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 01:01:44,463 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 01:01:44,463 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 01:01:44,467 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 01:01:44,467 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 01:01:42" (1/3) ... [2019-11-07 01:01:44,468 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a65293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:44, skipping insertion in model container [2019-11-07 01:01:44,468 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 01:01:43" (2/3) ... [2019-11-07 01:01:44,469 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@71a65293 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 01:01:44, skipping insertion in model container [2019-11-07 01:01:44,469 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 01:01:44" (3/3) ... [2019-11-07 01:01:44,472 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product29.cil.c [2019-11-07 01:01:44,483 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 01:01:44,494 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 01:01:44,506 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 01:01:44,538 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 01:01:44,538 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 01:01:44,538 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 01:01:44,538 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 01:01:44,538 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 01:01:44,539 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 01:01:44,539 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 01:01:44,539 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 01:01:44,560 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2019-11-07 01:01:44,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-11-07 01:01:44,568 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:44,569 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:44,571 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:44,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:44,577 INFO L82 PathProgramCache]: Analyzing trace with hash 384818270, now seen corresponding path program 1 times [2019-11-07 01:01:44,588 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:44,588 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919979598] [2019-11-07 01:01:44,589 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:44,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:44,949 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919979598] [2019-11-07 01:01:44,950 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:44,950 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 01:01:44,951 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635170619] [2019-11-07 01:01:44,961 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:44,964 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:44,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 01:01:44,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 01:01:44,984 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2019-11-07 01:01:45,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:45,081 INFO L93 Difference]: Finished difference Result 244 states and 303 transitions. [2019-11-07 01:01:45,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:45,083 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-11-07 01:01:45,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:45,109 INFO L225 Difference]: With dead ends: 244 [2019-11-07 01:01:45,109 INFO L226 Difference]: Without dead ends: 122 [2019-11-07 01:01:45,127 INFO L630 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 [2019-11-07 01:01:45,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-11-07 01:01:45,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 122. [2019-11-07 01:01:45,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 122 states. [2019-11-07 01:01:45,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 143 transitions. [2019-11-07 01:01:45,222 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 143 transitions. Word has length 46 [2019-11-07 01:01:45,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:45,223 INFO L462 AbstractCegarLoop]: Abstraction has 122 states and 143 transitions. [2019-11-07 01:01:45,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 143 transitions. [2019-11-07 01:01:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-11-07 01:01:45,231 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:45,231 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:45,232 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:45,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:45,232 INFO L82 PathProgramCache]: Analyzing trace with hash -1404738686, now seen corresponding path program 1 times [2019-11-07 01:01:45,233 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:45,233 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678185734] [2019-11-07 01:01:45,234 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:45,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:45,379 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1678185734] [2019-11-07 01:01:45,380 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:45,380 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:45,380 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215484286] [2019-11-07 01:01:45,383 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:45,383 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:45,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:45,384 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:45,384 INFO L87 Difference]: Start difference. First operand 122 states and 143 transitions. Second operand 3 states. [2019-11-07 01:01:45,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:45,425 INFO L93 Difference]: Finished difference Result 193 states and 225 transitions. [2019-11-07 01:01:45,426 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:45,426 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-11-07 01:01:45,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:45,430 INFO L225 Difference]: With dead ends: 193 [2019-11-07 01:01:45,431 INFO L226 Difference]: Without dead ends: 113 [2019-11-07 01:01:45,435 INFO L630 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 [2019-11-07 01:01:45,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-07 01:01:45,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-07 01:01:45,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-07 01:01:45,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 131 transitions. [2019-11-07 01:01:45,463 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 131 transitions. Word has length 47 [2019-11-07 01:01:45,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:45,463 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 131 transitions. [2019-11-07 01:01:45,463 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:45,464 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 131 transitions. [2019-11-07 01:01:45,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 01:01:45,470 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:45,471 INFO L410 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] [2019-11-07 01:01:45,472 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:45,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:45,473 INFO L82 PathProgramCache]: Analyzing trace with hash -166841959, now seen corresponding path program 1 times [2019-11-07 01:01:45,473 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:45,473 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761308309] [2019-11-07 01:01:45,474 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:45,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:45,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:45,679 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761308309] [2019-11-07 01:01:45,679 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:45,679 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 01:01:45,679 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935136589] [2019-11-07 01:01:45,680 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 01:01:45,680 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:45,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 01:01:45,681 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 01:01:45,681 INFO L87 Difference]: Start difference. First operand 113 states and 131 transitions. Second operand 7 states. [2019-11-07 01:01:46,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:46,024 INFO L93 Difference]: Finished difference Result 202 states and 239 transitions. [2019-11-07 01:01:46,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 01:01:46,027 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 51 [2019-11-07 01:01:46,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:46,031 INFO L225 Difference]: With dead ends: 202 [2019-11-07 01:01:46,031 INFO L226 Difference]: Without dead ends: 113 [2019-11-07 01:01:46,034 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:46,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2019-11-07 01:01:46,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2019-11-07 01:01:46,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2019-11-07 01:01:46,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 130 transitions. [2019-11-07 01:01:46,060 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 130 transitions. Word has length 51 [2019-11-07 01:01:46,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:46,060 INFO L462 AbstractCegarLoop]: Abstraction has 113 states and 130 transitions. [2019-11-07 01:01:46,060 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 01:01:46,061 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 130 transitions. [2019-11-07 01:01:46,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-11-07 01:01:46,065 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:46,066 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 01:01:46,066 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:46,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:46,066 INFO L82 PathProgramCache]: Analyzing trace with hash -2128475140, now seen corresponding path program 1 times [2019-11-07 01:01:46,067 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:46,067 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041999048] [2019-11-07 01:01:46,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:46,309 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041999048] [2019-11-07 01:01:46,309 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:46,310 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-11-07 01:01:46,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155300461] [2019-11-07 01:01:46,310 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-11-07 01:01:46,311 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:46,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-11-07 01:01:46,311 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-11-07 01:01:46,311 INFO L87 Difference]: Start difference. First operand 113 states and 130 transitions. Second operand 10 states. [2019-11-07 01:01:46,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:46,964 INFO L93 Difference]: Finished difference Result 360 states and 441 transitions. [2019-11-07 01:01:46,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-11-07 01:01:46,964 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 64 [2019-11-07 01:01:46,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:46,976 INFO L225 Difference]: With dead ends: 360 [2019-11-07 01:01:46,976 INFO L226 Difference]: Without dead ends: 271 [2019-11-07 01:01:46,982 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-11-07 01:01:46,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 271 states. [2019-11-07 01:01:47,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 271 to 267. [2019-11-07 01:01:47,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 267 states. [2019-11-07 01:01:47,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 267 states and 318 transitions. [2019-11-07 01:01:47,043 INFO L78 Accepts]: Start accepts. Automaton has 267 states and 318 transitions. Word has length 64 [2019-11-07 01:01:47,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:47,043 INFO L462 AbstractCegarLoop]: Abstraction has 267 states and 318 transitions. [2019-11-07 01:01:47,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-11-07 01:01:47,044 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 318 transitions. [2019-11-07 01:01:47,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2019-11-07 01:01:47,047 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:47,047 INFO L410 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] [2019-11-07 01:01:47,047 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:47,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:47,048 INFO L82 PathProgramCache]: Analyzing trace with hash 319417616, now seen corresponding path program 1 times [2019-11-07 01:01:47,048 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:47,050 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273005762] [2019-11-07 01:01:47,050 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:47,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:47,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 01:01:47,160 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273005762] [2019-11-07 01:01:47,160 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 01:01:47,160 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 01:01:47,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1303483229] [2019-11-07 01:01:47,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 01:01:47,163 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:47,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 01:01:47,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:47,164 INFO L87 Difference]: Start difference. First operand 267 states and 318 transitions. Second operand 3 states. [2019-11-07 01:01:47,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:47,193 INFO L93 Difference]: Finished difference Result 407 states and 496 transitions. [2019-11-07 01:01:47,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 01:01:47,194 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 72 [2019-11-07 01:01:47,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:47,198 INFO L225 Difference]: With dead ends: 407 [2019-11-07 01:01:47,198 INFO L226 Difference]: Without dead ends: 164 [2019-11-07 01:01:47,199 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 01:01:47,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2019-11-07 01:01:47,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 164. [2019-11-07 01:01:47,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2019-11-07 01:01:47,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 182 transitions. [2019-11-07 01:01:47,213 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 182 transitions. Word has length 72 [2019-11-07 01:01:47,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:47,213 INFO L462 AbstractCegarLoop]: Abstraction has 164 states and 182 transitions. [2019-11-07 01:01:47,213 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 01:01:47,213 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 182 transitions. [2019-11-07 01:01:47,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-07 01:01:47,215 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 01:01:47,215 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-07 01:01:47,215 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 01:01:47,215 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:47,216 INFO L82 PathProgramCache]: Analyzing trace with hash 1468087032, now seen corresponding path program 1 times [2019-11-07 01:01:47,216 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 01:01:47,216 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713520726] [2019-11-07 01:01:47,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 01:01:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:47,368 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-07 01:01:47,369 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713520726] [2019-11-07 01:01:47,369 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [190687492] [2019-11-07 01:01:47,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:47,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 01:01:47,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 765 conjuncts, 15 conjunts are in the unsatisfiable core [2019-11-07 01:01:47,582 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 01:01:47,715 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 01:01:47,715 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 01:01:47,859 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:47,871 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-11-07 01:01:48,024 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-07 01:01:48,025 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1386089071] [2019-11-07 01:01:48,032 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 109 [2019-11-07 01:01:48,081 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-11-07 01:01:48,081 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 01:01:48,164 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-11-07 01:01:48,166 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. [2019-11-07 01:01:48,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 01:01:48,170 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-11-07 01:01:48,218 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-11-07 01:01:48,218 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-11-07 01:01:48,222 INFO L553 sIntCurrentIteration]: We unified 107 AI predicates to 107 [2019-11-07 01:01:48,222 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-11-07 01:01:48,223 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-11-07 01:01:48,223 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [7, 7, 8] total 15 [2019-11-07 01:01:48,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [292903126] [2019-11-07 01:01:48,224 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 01:01:48,224 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 01:01:48,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 01:01:48,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:48,225 INFO L87 Difference]: Start difference. First operand 164 states and 182 transitions. Second operand 2 states. [2019-11-07 01:01:48,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 01:01:48,228 INFO L93 Difference]: Finished difference Result 164 states and 182 transitions. [2019-11-07 01:01:48,228 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 01:01:48,228 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 108 [2019-11-07 01:01:48,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 01:01:48,229 INFO L225 Difference]: With dead ends: 164 [2019-11-07 01:01:48,229 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 01:01:48,230 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 214 SyntacticMatches, 8 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=41, Invalid=169, Unknown=0, NotChecked=0, Total=210 [2019-11-07 01:01:48,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 01:01:48,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 01:01:48,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 01:01:48,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 01:01:48,231 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2019-11-07 01:01:48,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 01:01:48,231 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 01:01:48,231 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 01:01:48,231 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 01:01:48,231 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 01:01:48,436 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 01:01:48,441 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 01:01:48,642 INFO L443 ceAbstractionStarter]: For program point L223(line 223) no Hoare annotation was computed. [2019-11-07 01:01:48,642 INFO L443 ceAbstractionStarter]: For program point L222-2(lines 222 243) no Hoare annotation was computed. [2019-11-07 01:01:48,642 INFO L443 ceAbstractionStarter]: For program point L244(lines 221 245) no Hoare annotation was computed. [2019-11-07 01:01:48,642 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 197 252) no Hoare annotation was computed. [2019-11-07 01:01:48,642 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 197 252) no Hoare annotation was computed. [2019-11-07 01:01:48,642 INFO L443 ceAbstractionStarter]: For program point L228(lines 228 232) no Hoare annotation was computed. [2019-11-07 01:01:48,643 INFO L443 ceAbstractionStarter]: For program point L228-1(lines 228 232) no Hoare annotation was computed. [2019-11-07 01:01:48,643 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 197 252) no Hoare annotation was computed. [2019-11-07 01:01:48,643 INFO L443 ceAbstractionStarter]: For program point L285(lines 285 289) no Hoare annotation was computed. [2019-11-07 01:01:48,643 INFO L443 ceAbstractionStarter]: For program point L285-1(lines 285 289) no Hoare annotation was computed. [2019-11-07 01:01:48,643 INFO L443 ceAbstractionStarter]: For program point L280(line 280) no Hoare annotation was computed. [2019-11-07 01:01:48,643 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 253 312) no Hoare annotation was computed. [2019-11-07 01:01:48,643 INFO L443 ceAbstractionStarter]: For program point L279-2(lines 279 304) no Hoare annotation was computed. [2019-11-07 01:01:48,643 INFO L443 ceAbstractionStarter]: For program point L305(lines 278 306) no Hoare annotation was computed. [2019-11-07 01:01:48,643 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 253 312) no Hoare annotation was computed. [2019-11-07 01:01:48,644 INFO L443 ceAbstractionStarter]: For program point L298(line 298) no Hoare annotation was computed. [2019-11-07 01:01:48,644 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 253 312) no Hoare annotation was computed. [2019-11-07 01:01:48,644 INFO L443 ceAbstractionStarter]: For program point L298-1(line 298) no Hoare annotation was computed. [2019-11-07 01:01:48,644 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 599 605) the Hoare annotation is: true [2019-11-07 01:01:48,644 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 599 605) no Hoare annotation was computed. [2019-11-07 01:01:48,644 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 606 614) no Hoare annotation was computed. [2019-11-07 01:01:48,644 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 606 614) the Hoare annotation is: true [2019-11-07 01:01:48,645 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 606 614) no Hoare annotation was computed. [2019-11-07 01:01:48,645 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 912 936) the Hoare annotation is: true [2019-11-07 01:01:48,645 INFO L446 ceAbstractionStarter]: At program point L926(line 926) the Hoare annotation is: true [2019-11-07 01:01:48,647 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-11-07 01:01:48,647 INFO L446 ceAbstractionStarter]: At program point L922(line 922) the Hoare annotation is: true [2019-11-07 01:01:48,647 INFO L443 ceAbstractionStarter]: For program point L922-1(line 922) no Hoare annotation was computed. [2019-11-07 01:01:48,647 INFO L443 ceAbstractionStarter]: For program point L920(lines 920 933) no Hoare annotation was computed. [2019-11-07 01:01:48,647 INFO L443 ceAbstractionStarter]: For program point L920-1(lines 912 936) no Hoare annotation was computed. [2019-11-07 01:01:48,647 INFO L446 ceAbstractionStarter]: At program point L918(line 918) the Hoare annotation is: true [2019-11-07 01:01:48,648 INFO L443 ceAbstractionStarter]: For program point L918-1(line 918) no Hoare annotation was computed. [2019-11-07 01:01:48,648 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 912 936) no Hoare annotation was computed. [2019-11-07 01:01:48,648 INFO L443 ceAbstractionStarter]: For program point L898-1(lines 898 905) no Hoare annotation was computed. [2019-11-07 01:01:48,648 INFO L443 ceAbstractionStarter]: For program point L896(line 896) no Hoare annotation was computed. [2019-11-07 01:01:48,648 INFO L446 ceAbstractionStarter]: At program point L895(line 895) the Hoare annotation is: true [2019-11-07 01:01:48,648 INFO L446 ceAbstractionStarter]: At program point L894(line 894) the Hoare annotation is: true [2019-11-07 01:01:48,648 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 888 910) the Hoare annotation is: true [2019-11-07 01:01:48,648 INFO L446 ceAbstractionStarter]: At program point L894-1(line 894) the Hoare annotation is: true [2019-11-07 01:01:48,648 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 888 910) no Hoare annotation was computed. [2019-11-07 01:01:48,649 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 888 910) no Hoare annotation was computed. [2019-11-07 01:01:48,651 INFO L446 ceAbstractionStarter]: At program point L900(line 900) the Hoare annotation is: true [2019-11-07 01:01:48,651 INFO L446 ceAbstractionStarter]: At program point L900-1(line 900) the Hoare annotation is: true [2019-11-07 01:01:48,651 INFO L443 ceAbstractionStarter]: For program point L898(lines 898 905) no Hoare annotation was computed. [2019-11-07 01:01:48,651 INFO L443 ceAbstractionStarter]: For program point L865(line 865) no Hoare annotation was computed. [2019-11-07 01:01:48,652 INFO L443 ceAbstractionStarter]: For program point L864(line 864) no Hoare annotation was computed. [2019-11-07 01:01:48,652 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 847 870) no Hoare annotation was computed. [2019-11-07 01:01:48,652 INFO L443 ceAbstractionStarter]: For program point L863(line 863) no Hoare annotation was computed. [2019-11-07 01:01:48,652 INFO L443 ceAbstractionStarter]: For program point L862(line 862) no Hoare annotation was computed. [2019-11-07 01:01:48,652 INFO L443 ceAbstractionStarter]: For program point L861(line 861) no Hoare annotation was computed. [2019-11-07 01:01:48,652 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 847 870) no Hoare annotation was computed. [2019-11-07 01:01:48,652 INFO L443 ceAbstractionStarter]: For program point L860(line 860) no Hoare annotation was computed. [2019-11-07 01:01:48,652 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 847 870) no Hoare annotation was computed. [2019-11-07 01:01:48,652 INFO L443 ceAbstractionStarter]: For program point L859(line 859) no Hoare annotation was computed. [2019-11-07 01:01:48,653 INFO L443 ceAbstractionStarter]: For program point L858(line 858) no Hoare annotation was computed. [2019-11-07 01:01:48,653 INFO L443 ceAbstractionStarter]: For program point L857(line 857) no Hoare annotation was computed. [2019-11-07 01:01:48,653 INFO L443 ceAbstractionStarter]: For program point L856(line 856) no Hoare annotation was computed. [2019-11-07 01:01:48,653 INFO L443 ceAbstractionStarter]: For program point L855(line 855) no Hoare annotation was computed. [2019-11-07 01:01:48,653 INFO L443 ceAbstractionStarter]: For program point L854(line 854) no Hoare annotation was computed. [2019-11-07 01:01:48,653 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-11-07 01:01:48,653 INFO L443 ceAbstractionStarter]: For program point L852(line 852) no Hoare annotation was computed. [2019-11-07 01:01:48,653 INFO L446 ceAbstractionStarter]: At program point L670(line 670) the Hoare annotation is: true [2019-11-07 01:01:48,653 INFO L446 ceAbstractionStarter]: At program point L666(line 666) the Hoare annotation is: true [2019-11-07 01:01:48,653 INFO L443 ceAbstractionStarter]: For program point L664(lines 664 672) no Hoare annotation was computed. [2019-11-07 01:01:48,654 INFO L446 ceAbstractionStarter]: At program point L662(line 662) the Hoare annotation is: true [2019-11-07 01:01:48,654 INFO L443 ceAbstractionStarter]: For program point L662-1(line 662) no Hoare annotation was computed. [2019-11-07 01:01:48,654 INFO L443 ceAbstractionStarter]: For program point L660(lines 660 677) no Hoare annotation was computed. [2019-11-07 01:01:48,654 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 656 680) the Hoare annotation is: true [2019-11-07 01:01:48,654 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 656 680) no Hoare annotation was computed. [2019-11-07 01:01:48,654 INFO L446 ceAbstractionStarter]: At program point L675(line 675) the Hoare annotation is: true [2019-11-07 01:01:48,654 INFO L443 ceAbstractionStarter]: For program point L675-1(lines 656 680) no Hoare annotation was computed. [2019-11-07 01:01:48,654 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 751 759) no Hoare annotation was computed. [2019-11-07 01:01:48,654 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 751 759) the Hoare annotation is: true [2019-11-07 01:01:48,655 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 751 759) no Hoare annotation was computed. [2019-11-07 01:01:48,655 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 796 814) the Hoare annotation is: true [2019-11-07 01:01:48,655 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 796 814) no Hoare annotation was computed. [2019-11-07 01:01:48,655 INFO L443 ceAbstractionStarter]: For program point L805(lines 805 809) no Hoare annotation was computed. [2019-11-07 01:01:48,655 INFO L446 ceAbstractionStarter]: At program point L803(line 803) the Hoare annotation is: true [2019-11-07 01:01:48,655 INFO L443 ceAbstractionStarter]: For program point L805-2(lines 805 809) no Hoare annotation was computed. [2019-11-07 01:01:48,655 INFO L443 ceAbstractionStarter]: For program point L803-1(line 803) no Hoare annotation was computed. [2019-11-07 01:01:48,655 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 796 814) no Hoare annotation was computed. [2019-11-07 01:01:48,655 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 775) no Hoare annotation was computed. [2019-11-07 01:01:48,655 INFO L443 ceAbstractionStarter]: For program point L767-2(lines 767 775) no Hoare annotation was computed. [2019-11-07 01:01:48,656 INFO L443 ceAbstractionStarter]: For program point L790(line 790) no Hoare annotation was computed. [2019-11-07 01:01:48,656 INFO L443 ceAbstractionStarter]: For program point L790-1(line 790) no Hoare annotation was computed. [2019-11-07 01:01:48,656 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 760 795) no Hoare annotation was computed. [2019-11-07 01:01:48,656 INFO L443 ceAbstractionStarter]: For program point L779(lines 779 787) no Hoare annotation was computed. [2019-11-07 01:01:48,656 INFO L443 ceAbstractionStarter]: For program point L779-2(lines 779 787) no Hoare annotation was computed. [2019-11-07 01:01:48,656 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 760 795) no Hoare annotation was computed. [2019-11-07 01:01:48,656 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 760 795) no Hoare annotation was computed. [2019-11-07 01:01:48,656 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 592 598) no Hoare annotation was computed. [2019-11-07 01:01:48,656 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 592 598) the Hoare annotation is: true [2019-11-07 01:01:48,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 151 196) no Hoare annotation was computed. [2019-11-07 01:01:48,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 151 196) no Hoare annotation was computed. [2019-11-07 01:01:48,657 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 151 196) no Hoare annotation was computed. [2019-11-07 01:01:48,657 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 498) no Hoare annotation was computed. [2019-11-07 01:01:48,657 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 478 498) no Hoare annotation was computed. [2019-11-07 01:01:48,657 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 464 509) no Hoare annotation was computed. [2019-11-07 01:01:48,657 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 464 509) no Hoare annotation was computed. [2019-11-07 01:01:48,657 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 464 509) no Hoare annotation was computed. [2019-11-07 01:01:48,657 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 491) no Hoare annotation was computed. [2019-11-07 01:01:48,657 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 878 887) the Hoare annotation is: true [2019-11-07 01:01:48,658 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 878 887) no Hoare annotation was computed. [2019-11-07 01:01:48,658 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 878 887) no Hoare annotation was computed. [2019-11-07 01:01:48,658 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 740 750) the Hoare annotation is: true [2019-11-07 01:01:48,658 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 740 750) no Hoare annotation was computed. [2019-11-07 01:01:48,658 INFO L446 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2019-11-07 01:01:48,658 INFO L443 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2019-11-07 01:01:48,658 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 740 750) no Hoare annotation was computed. [2019-11-07 01:01:48,658 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 732 739) the Hoare annotation is: true [2019-11-07 01:01:48,658 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 732 739) no Hoare annotation was computed. [2019-11-07 01:01:48,658 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 732 739) no Hoare annotation was computed. [2019-11-07 01:01:48,659 INFO L446 ceAbstractionStarter]: At program point L701(line 701) the Hoare annotation is: true [2019-11-07 01:01:48,659 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 682 706) no Hoare annotation was computed. [2019-11-07 01:01:48,659 INFO L446 ceAbstractionStarter]: At program point L696(line 696) the Hoare annotation is: true [2019-11-07 01:01:48,659 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 682 706) no Hoare annotation was computed. [2019-11-07 01:01:48,659 INFO L446 ceAbstractionStarter]: At program point L692(line 692) the Hoare annotation is: true [2019-11-07 01:01:48,659 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 682 706) the Hoare annotation is: true [2019-11-07 01:01:48,659 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 698) no Hoare annotation was computed. [2019-11-07 01:01:48,659 INFO L446 ceAbstractionStarter]: At program point L688(line 688) the Hoare annotation is: true [2019-11-07 01:01:48,660 INFO L443 ceAbstractionStarter]: For program point L688-1(line 688) no Hoare annotation was computed. [2019-11-07 01:01:48,660 INFO L443 ceAbstractionStarter]: For program point L686(lines 686 703) no Hoare annotation was computed. [2019-11-07 01:01:48,660 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 648 654) no Hoare annotation was computed. [2019-11-07 01:01:48,660 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 648 654) the Hoare annotation is: true [2019-11-07 01:01:48,660 INFO L446 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: true [2019-11-07 01:01:48,660 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 513 576) the Hoare annotation is: true [2019-11-07 01:01:48,660 INFO L443 ceAbstractionStarter]: For program point L543(lines 543 549) no Hoare annotation was computed. [2019-11-07 01:01:48,660 INFO L443 ceAbstractionStarter]: For program point L543-1(lines 543 549) no Hoare annotation was computed. [2019-11-07 01:01:48,660 INFO L446 ceAbstractionStarter]: At program point L535(line 535) the Hoare annotation is: true [2019-11-07 01:01:48,661 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 513 576) no Hoare annotation was computed. [2019-11-07 01:01:48,661 INFO L446 ceAbstractionStarter]: At program point L566(lines 523 568) the Hoare annotation is: true [2019-11-07 01:01:48,661 INFO L443 ceAbstractionStarter]: For program point L533(lines 533 539) no Hoare annotation was computed. [2019-11-07 01:01:48,661 INFO L443 ceAbstractionStarter]: For program point L533-1(lines 533 539) no Hoare annotation was computed. [2019-11-07 01:01:48,661 INFO L443 ceAbstractionStarter]: For program point L525(lines 525 529) no Hoare annotation was computed. [2019-11-07 01:01:48,661 INFO L446 ceAbstractionStarter]: At program point L569(lines 522 570) the Hoare annotation is: true [2019-11-07 01:01:48,661 INFO L443 ceAbstractionStarter]: For program point L559(lines 559 563) no Hoare annotation was computed. [2019-11-07 01:01:48,661 INFO L446 ceAbstractionStarter]: At program point L559-2(lines 553 564) the Hoare annotation is: true [2019-11-07 01:01:48,661 INFO L443 ceAbstractionStarter]: For program point L524(lines 523 568) no Hoare annotation was computed. [2019-11-07 01:01:48,662 INFO L443 ceAbstractionStarter]: For program point L553(lines 553 564) no Hoare annotation was computed. [2019-11-07 01:01:48,662 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 513 576) no Hoare annotation was computed. [2019-11-07 01:01:48,662 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 418 463) no Hoare annotation was computed. [2019-11-07 01:01:48,662 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 445) no Hoare annotation was computed. [2019-11-07 01:01:48,662 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 418 463) no Hoare annotation was computed. [2019-11-07 01:01:48,662 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 418 463) no Hoare annotation was computed. [2019-11-07 01:01:48,662 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 452) no Hoare annotation was computed. [2019-11-07 01:01:48,662 INFO L443 ceAbstractionStarter]: For program point L432-1(lines 432 452) no Hoare annotation was computed. [2019-11-07 01:01:48,662 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 707 714) no Hoare annotation was computed. [2019-11-07 01:01:48,663 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 707 714) no Hoare annotation was computed. [2019-11-07 01:01:48,663 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 707 714) no Hoare annotation was computed. [2019-11-07 01:01:48,663 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2019-11-07 01:01:48,663 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2019-11-07 01:01:48,663 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2019-11-07 01:01:48,663 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2019-11-07 01:01:48,663 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 110) no Hoare annotation was computed. [2019-11-07 01:01:48,663 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2019-11-07 01:01:48,663 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2019-11-07 01:01:48,663 INFO L443 ceAbstractionStarter]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2019-11-07 01:01:48,664 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 315 417) no Hoare annotation was computed. [2019-11-07 01:01:48,664 INFO L443 ceAbstractionStarter]: For program point L380(line 380) no Hoare annotation was computed. [2019-11-07 01:01:48,664 INFO L443 ceAbstractionStarter]: For program point L380-1(line 380) no Hoare annotation was computed. [2019-11-07 01:01:48,664 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 343) no Hoare annotation was computed. [2019-11-07 01:01:48,664 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 414) no Hoare annotation was computed. [2019-11-07 01:01:48,664 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 370) no Hoare annotation was computed. [2019-11-07 01:01:48,664 INFO L443 ceAbstractionStarter]: For program point L364-2(lines 364 384) no Hoare annotation was computed. [2019-11-07 01:01:48,664 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 315 417) no Hoare annotation was computed. [2019-11-07 01:01:48,664 INFO L443 ceAbstractionStarter]: For program point L385(lines 363 386) no Hoare annotation was computed. [2019-11-07 01:01:48,665 INFO L443 ceAbstractionStarter]: For program point L344(lines 344 360) no Hoare annotation was computed. [2019-11-07 01:01:48,665 INFO L443 ceAbstractionStarter]: For program point L404(lines 404 411) no Hoare annotation was computed. [2019-11-07 01:01:48,665 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 315 417) no Hoare annotation was computed. [2019-11-07 01:01:48,665 INFO L443 ceAbstractionStarter]: For program point L365(lines 364 384) no Hoare annotation was computed. [2019-11-07 01:01:48,665 INFO L443 ceAbstractionStarter]: For program point L396(line 396) no Hoare annotation was computed. [2019-11-07 01:01:48,666 INFO L443 ceAbstractionStarter]: For program point L396-1(line 396) no Hoare annotation was computed. [2019-11-07 01:01:48,666 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 402) no Hoare annotation was computed. [2019-11-07 01:01:48,666 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 582 591) no Hoare annotation was computed. [2019-11-07 01:01:48,666 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 582 591) no Hoare annotation was computed. [2019-11-07 01:01:48,666 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 582 591) no Hoare annotation was computed. [2019-11-07 01:01:48,666 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,666 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:48,666 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,666 INFO L443 ceAbstractionStarter]: For program point L720(line 720) no Hoare annotation was computed. [2019-11-07 01:01:48,667 INFO L443 ceAbstractionStarter]: For program point L720-1(line 720) no Hoare annotation was computed. [2019-11-07 01:01:48,667 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 715 731) no Hoare annotation was computed. [2019-11-07 01:01:48,667 INFO L443 ceAbstractionStarter]: For program point activatePumpENTRY(lines 715 731) no Hoare annotation was computed. [2019-11-07 01:01:48,667 INFO L443 ceAbstractionStarter]: For program point L726(line 726) no Hoare annotation was computed. [2019-11-07 01:01:48,667 INFO L443 ceAbstractionStarter]: For program point L726-1(lines 715 731) no Hoare annotation was computed. [2019-11-07 01:01:48,667 INFO L443 ceAbstractionStarter]: For program point L722(lines 722 728) no Hoare annotation was computed. [2019-11-07 01:01:48,667 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 117 125) the Hoare annotation is: true [2019-11-07 01:01:48,667 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2019-11-07 01:01:48,667 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2019-11-07 01:01:48,667 INFO L443 ceAbstractionStarter]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2019-11-07 01:01:48,668 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: true [2019-11-07 01:01:48,668 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2019-11-07 01:01:48,668 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,668 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,668 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,668 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2019-11-07 01:01:48,668 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2019-11-07 01:01:48,668 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2019-11-07 01:01:48,669 INFO L446 ceAbstractionStarter]: At program point L637(line 637) the Hoare annotation is: true [2019-11-07 01:01:48,669 INFO L446 ceAbstractionStarter]: At program point L635(lines 635 641) the Hoare annotation is: true [2019-11-07 01:01:48,669 INFO L446 ceAbstractionStarter]: At program point L630(line 630) the Hoare annotation is: true [2019-11-07 01:01:48,669 INFO L443 ceAbstractionStarter]: For program point L628(lines 627 646) no Hoare annotation was computed. [2019-11-07 01:01:48,669 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 624 647) the Hoare annotation is: true [2019-11-07 01:01:48,670 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 624 647) no Hoare annotation was computed. [2019-11-07 01:01:48,670 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 624 647) no Hoare annotation was computed. [2019-11-07 01:01:48,670 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 817 846) no Hoare annotation was computed. [2019-11-07 01:01:48,670 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 835) no Hoare annotation was computed. [2019-11-07 01:01:48,670 INFO L446 ceAbstractionStarter]: At program point L831-1(lines 831 835) the Hoare annotation is: true [2019-11-07 01:01:48,670 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 817 846) the Hoare annotation is: true [2019-11-07 01:01:48,671 INFO L443 ceAbstractionStarter]: For program point L828(line 828) no Hoare annotation was computed. [2019-11-07 01:01:48,671 INFO L446 ceAbstractionStarter]: At program point L827-2(lines 827 841) the Hoare annotation is: true [2019-11-07 01:01:48,671 INFO L446 ceAbstractionStarter]: At program point L823(line 823) the Hoare annotation is: true [2019-11-07 01:01:48,671 INFO L443 ceAbstractionStarter]: For program point L823-1(line 823) no Hoare annotation was computed. [2019-11-07 01:01:48,671 INFO L446 ceAbstractionStarter]: At program point L842(lines 817 846) the Hoare annotation is: true [2019-11-07 01:01:48,671 INFO L443 ceAbstractionStarter]: For program point L838(line 838) no Hoare annotation was computed. [2019-11-07 01:01:48,672 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2019-11-07 01:01:48,672 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2019-11-07 01:01:48,672 INFO L443 ceAbstractionStarter]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2019-11-07 01:01:48,672 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 871 877) no Hoare annotation was computed. [2019-11-07 01:01:48,672 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 871 877) the Hoare annotation is: true [2019-11-07 01:01:48,672 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,672 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-11-07 01:01:48,672 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 01:01:48,672 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 01:01:48,673 INFO L443 ceAbstractionStarter]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2019-11-07 01:01:48,673 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2019-11-07 01:01:48,673 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: true [2019-11-07 01:01:48,673 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 136 143) no Hoare annotation was computed. [2019-11-07 01:01:48,673 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 136 143) the Hoare annotation is: true [2019-11-07 01:01:48,673 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 136 143) no Hoare annotation was computed. [2019-11-07 01:01:48,673 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 140) no Hoare annotation was computed. [2019-11-07 01:01:48,684 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 01:01:48 BoogieIcfgContainer [2019-11-07 01:01:48,684 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 01:01:48,689 INFO L168 Benchmark]: Toolchain (without parser) took 6244.72 ms. Allocated memory was 145.2 MB in the beginning and 287.8 MB in the end (delta: 142.6 MB). Free memory was 101.0 MB in the beginning and 174.9 MB in the end (delta: -73.9 MB). Peak memory consumption was 68.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,690 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 681.04 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 170.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,697 INFO L168 Benchmark]: Boogie Preprocessor took 93.36 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,698 INFO L168 Benchmark]: RCFGBuilder took 1244.97 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 198.4 MB in the end (delta: -32.5 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,700 INFO L168 Benchmark]: TraceAbstraction took 4221.08 ms. Allocated memory was 235.9 MB in the beginning and 287.8 MB in the end (delta: 51.9 MB). Free memory was 196.9 MB in the beginning and 174.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2019-11-07 01:01:48,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 120.3 MB in the beginning and 120.1 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 681.04 ms. Allocated memory was 145.2 MB in the beginning and 202.9 MB in the end (delta: 57.7 MB). Free memory was 100.8 MB in the beginning and 170.6 MB in the end (delta: -69.8 MB). Peak memory consumption was 22.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 93.36 ms. Allocated memory is still 202.9 MB. Free memory was 170.6 MB in the beginning and 165.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1244.97 ms. Allocated memory was 202.9 MB in the beginning and 235.9 MB in the end (delta: 33.0 MB). Free memory was 165.9 MB in the beginning and 198.4 MB in the end (delta: -32.5 MB). Peak memory consumption was 82.7 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4221.08 ms. Allocated memory was 235.9 MB in the beginning and 287.8 MB in the end (delta: 51.9 MB). Free memory was 196.9 MB in the beginning and 174.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 140]: 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 - InvariantResult [Line: 522]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 523]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 817]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 1 error locations. Result: SAFE, OverallTime: 4.1s, OverallIterations: 6, TraceHistogramMax: 2, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 649 SDtfs, 426 SDslu, 1288 SDs, 0 SdLazy, 432 SolverSat, 63 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 232 SyntacticMatches, 8 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=267occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 4 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 57 LocationsWithAnnotation, 375 PreInvPairs, 376 NumberOfFragments, 57 HoareAnnotationTreeSize, 375 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 57 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 496 NumberOfCodeBlocks, 496 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 596 ConstructedInterpolants, 0 QuantifiedInterpolants, 101709 SizeOfPredicates, 3 NumberOfNonLiveVariables, 765 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 8 InterpolantComputations, 5 PerfectInterpolantSequences, 99/108 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 139, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.897196261682243, AVG_WEAKENED_CONJUNCTS: 0.0, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...