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_spec5_product51.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f4eb214f-m [2019-10-13 21:22:50,173 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-13 21:22:50,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-13 21:22:50,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-13 21:22:50,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-13 21:22:50,192 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-13 21:22:50,194 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-13 21:22:50,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-13 21:22:50,197 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-13 21:22:50,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-13 21:22:50,200 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-13 21:22:50,201 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-13 21:22:50,201 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-13 21:22:50,202 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-13 21:22:50,203 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-13 21:22:50,204 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-13 21:22:50,205 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-13 21:22:50,206 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-13 21:22:50,208 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-13 21:22:50,210 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-13 21:22:50,211 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-13 21:22:50,212 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-13 21:22:50,214 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-13 21:22:50,215 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-13 21:22:50,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-13 21:22:50,218 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-13 21:22:50,218 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-13 21:22:50,219 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-13 21:22:50,220 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-13 21:22:50,221 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-13 21:22:50,221 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-13 21:22:50,222 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-13 21:22:50,223 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-13 21:22:50,223 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-13 21:22:50,225 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-13 21:22:50,225 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-13 21:22:50,225 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-13 21:22:50,226 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-13 21:22:50,226 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-13 21:22:50,227 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-13 21:22:50,228 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-13 21:22:50,229 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 [2019-10-13 21:22:50,243 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-13 21:22:50,243 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-13 21:22:50,245 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-13 21:22:50,245 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-13 21:22:50,245 INFO L138 SettingsManager]: * Use SBE=true [2019-10-13 21:22:50,245 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-13 21:22:50,245 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-13 21:22:50,246 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-13 21:22:50,246 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-13 21:22:50,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-13 21:22:50,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-13 21:22:50,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-13 21:22:50,247 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-13 21:22:50,247 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-13 21:22:50,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-13 21:22:50,247 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-13 21:22:50,247 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-13 21:22:50,248 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-13 21:22:50,248 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-13 21:22:50,248 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-13 21:22:50,248 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-13 21:22:50,249 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-13 21:22:50,249 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-13 21:22:50,249 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-13 21:22:50,249 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-13 21:22:50,249 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-13 21:22:50,250 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-13 21:22:50,250 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-13 21:22:50,250 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 [2019-10-13 21:22:50,527 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-13 21:22:50,540 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-13 21:22:50,544 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-13 21:22:50,545 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-13 21:22:50,546 INFO L275 PluginConnector]: CDTParser initialized [2019-10-13 21:22:50,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2019-10-13 21:22:50,628 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b69ea8c/e2ff649f146c4d37be8d3551168eb336/FLAGedc06ea89 [2019-10-13 21:22:51,183 INFO L306 CDTParser]: Found 1 translation units. [2019-10-13 21:22:51,183 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product51.cil.c [2019-10-13 21:22:51,213 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b69ea8c/e2ff649f146c4d37be8d3551168eb336/FLAGedc06ea89 [2019-10-13 21:22:51,493 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4b69ea8c/e2ff649f146c4d37be8d3551168eb336 [2019-10-13 21:22:51,501 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-13 21:22:51,503 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-13 21:22:51,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:51,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-13 21:22:51,507 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-13 21:22:51,508 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:51" (1/1) ... [2019-10-13 21:22:51,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4379288e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:51, skipping insertion in model container [2019-10-13 21:22:51,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 09:22:51" (1/1) ... [2019-10-13 21:22:51,519 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-13 21:22:51,573 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-13 21:22:52,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:52,050 INFO L188 MainTranslator]: Completed pre-run [2019-10-13 21:22:52,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-13 21:22:52,171 INFO L192 MainTranslator]: Completed translation [2019-10-13 21:22:52,171 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52 WrapperNode [2019-10-13 21:22:52,171 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-13 21:22:52,172 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-13 21:22:52,172 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-13 21:22:52,172 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-13 21:22:52,185 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,204 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,204 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,236 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,247 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,253 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (1/1) ... [2019-10-13 21:22:52,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-13 21:22:52,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-13 21:22:52,268 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-13 21:22:52,268 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-13 21:22:52,269 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (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 [2019-10-13 21:22:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-13 21:22:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-13 21:22:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-10-13 21:22:52,322 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-10-13 21:22:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:52,323 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-10-13 21:22:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-10-13 21:22:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-10-13 21:22:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-10-13 21:22:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-10-13 21:22:52,324 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-10-13 21:22:52,325 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-10-13 21:22:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-10-13 21:22:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-10-13 21:22:52,326 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-10-13 21:22:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-10-13 21:22:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-10-13 21:22:52,328 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-10-13 21:22:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-13 21:22:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-10-13 21:22:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-10-13 21:22:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-10-13 21:22:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-10-13 21:22:52,329 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-10-13 21:22:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:52,330 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-10-13 21:22:52,331 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-10-13 21:22:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-10-13 21:22:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-10-13 21:22:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-10-13 21:22:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-10-13 21:22:52,332 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-10-13 21:22:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-10-13 21:22:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-10-13 21:22:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-10-13 21:22:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-10-13 21:22:52,333 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-10-13 21:22:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:52,334 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-13 21:22:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-13 21:22:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-10-13 21:22:52,334 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-10-13 21:22:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-10-13 21:22:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-10-13 21:22:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-10-13 21:22:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-10-13 21:22:52,335 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-10-13 21:22:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-10-13 21:22:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-10-13 21:22:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-10-13 21:22:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-10-13 21:22:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-10-13 21:22:52,336 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2019-10-13 21:22:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2019-10-13 21:22:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-10-13 21:22:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-10-13 21:22:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-10-13 21:22:52,337 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-10-13 21:22:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-10-13 21:22:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-10-13 21:22:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-13 21:22:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-10-13 21:22:52,338 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-10-13 21:22:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-10-13 21:22:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-10-13 21:22:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-10-13 21:22:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2019-10-13 21:22:52,339 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-10-13 21:22:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-10-13 21:22:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-10-13 21:22:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-10-13 21:22:52,340 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-10-13 21:22:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-13 21:22:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-10-13 21:22:52,341 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-10-13 21:22:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-10-13 21:22:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-10-13 21:22:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-10-13 21:22:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-13 21:22:52,342 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-13 21:22:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-13 21:22:52,343 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-13 21:22:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-10-13 21:22:52,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-13 21:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-10-13 21:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-10-13 21:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-13 21:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-10-13 21:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-10-13 21:22:52,345 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-10-13 21:22:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-10-13 21:22:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-10-13 21:22:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-13 21:22:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-13 21:22:52,346 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-13 21:22:53,449 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-13 21:22:53,450 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-10-13 21:22:53,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:53 BoogieIcfgContainer [2019-10-13 21:22:53,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-13 21:22:53,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-13 21:22:53,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-13 21:22:53,457 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-13 21:22:53,458 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 09:22:51" (1/3) ... [2019-10-13 21:22:53,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5030066a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:53, skipping insertion in model container [2019-10-13 21:22:53,459 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 09:22:52" (2/3) ... [2019-10-13 21:22:53,459 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5030066a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 09:22:53, skipping insertion in model container [2019-10-13 21:22:53,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 09:22:53" (3/3) ... [2019-10-13 21:22:53,462 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product51.cil.c [2019-10-13 21:22:53,473 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-13 21:22:53,482 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-13 21:22:53,494 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-13 21:22:53,522 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-13 21:22:53,522 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-13 21:22:53,523 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-13 21:22:53,523 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-13 21:22:53,523 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-13 21:22:53,523 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-13 21:22:53,524 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-13 21:22:53,524 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-13 21:22:53,548 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2019-10-13 21:22:53,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2019-10-13 21:22:53,559 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:53,561 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:53,563 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:53,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:53,569 INFO L82 PathProgramCache]: Analyzing trace with hash -878720759, now seen corresponding path program 1 times [2019-10-13 21:22:53,579 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:53,580 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [309526458] [2019-10-13 21:22:53,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,580 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:53,580 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:53,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:53,916 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [309526458] [2019-10-13 21:22:53,917 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:53,918 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-13 21:22:53,918 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1401693205] [2019-10-13 21:22:53,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:22:53,927 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:53,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:22:53,949 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:22:53,952 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 2 states. [2019-10-13 21:22:54,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:54,002 INFO L93 Difference]: Finished difference Result 284 states and 353 transitions. [2019-10-13 21:22:54,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:22:54,004 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2019-10-13 21:22:54,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:54,017 INFO L225 Difference]: With dead ends: 284 [2019-10-13 21:22:54,018 INFO L226 Difference]: Without dead ends: 144 [2019-10-13 21:22:54,023 INFO L600 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 [2019-10-13 21:22:54,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-13 21:22:54,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-10-13 21:22:54,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-10-13 21:22:54,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 170 transitions. [2019-10-13 21:22:54,079 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 170 transitions. Word has length 59 [2019-10-13 21:22:54,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:54,080 INFO L462 AbstractCegarLoop]: Abstraction has 144 states and 170 transitions. [2019-10-13 21:22:54,080 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:22:54,080 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 170 transitions. [2019-10-13 21:22:54,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2019-10-13 21:22:54,085 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:54,085 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:54,085 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:54,086 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:54,086 INFO L82 PathProgramCache]: Analyzing trace with hash -1980606616, now seen corresponding path program 1 times [2019-10-13 21:22:54,086 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:54,086 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896514034] [2019-10-13 21:22:54,087 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,087 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:54,248 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:54,249 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896514034] [2019-10-13 21:22:54,249 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:54,250 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-13 21:22:54,250 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488845276] [2019-10-13 21:22:54,252 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-13 21:22:54,253 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:54,253 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-13 21:22:54,253 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-13 21:22:54,254 INFO L87 Difference]: Start difference. First operand 144 states and 170 transitions. Second operand 3 states. [2019-10-13 21:22:54,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:54,286 INFO L93 Difference]: Finished difference Result 227 states and 267 transitions. [2019-10-13 21:22:54,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-13 21:22:54,287 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2019-10-13 21:22:54,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:54,290 INFO L225 Difference]: With dead ends: 227 [2019-10-13 21:22:54,291 INFO L226 Difference]: Without dead ends: 135 [2019-10-13 21:22:54,292 INFO L600 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 [2019-10-13 21:22:54,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-10-13 21:22:54,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-10-13 21:22:54,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-10-13 21:22:54,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 158 transitions. [2019-10-13 21:22:54,312 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 158 transitions. Word has length 60 [2019-10-13 21:22:54,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:54,313 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 158 transitions. [2019-10-13 21:22:54,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-13 21:22:54,313 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 158 transitions. [2019-10-13 21:22:54,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2019-10-13 21:22:54,316 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:54,316 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:54,316 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:54,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:54,317 INFO L82 PathProgramCache]: Analyzing trace with hash 1839911150, now seen corresponding path program 1 times [2019-10-13 21:22:54,317 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:54,317 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659677408] [2019-10-13 21:22:54,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,318 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:54,318 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:54,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:54,526 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:54,526 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659677408] [2019-10-13 21:22:54,527 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:54,527 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:54,527 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476902159] [2019-10-13 21:22:54,529 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:54,529 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:54,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:54,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:54,530 INFO L87 Difference]: Start difference. First operand 135 states and 158 transitions. Second operand 7 states. [2019-10-13 21:22:55,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:55,105 INFO L93 Difference]: Finished difference Result 405 states and 492 transitions. [2019-10-13 21:22:55,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-13 21:22:55,105 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2019-10-13 21:22:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:55,111 INFO L225 Difference]: With dead ends: 405 [2019-10-13 21:22:55,111 INFO L226 Difference]: Without dead ends: 298 [2019-10-13 21:22:55,113 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-10-13 21:22:55,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 298 states. [2019-10-13 21:22:55,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 298 to 290. [2019-10-13 21:22:55,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 290 states. [2019-10-13 21:22:55,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 290 states and 352 transitions. [2019-10-13 21:22:55,156 INFO L78 Accepts]: Start accepts. Automaton has 290 states and 352 transitions. Word has length 64 [2019-10-13 21:22:55,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:55,157 INFO L462 AbstractCegarLoop]: Abstraction has 290 states and 352 transitions. [2019-10-13 21:22:55,157 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:55,157 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 352 transitions. [2019-10-13 21:22:55,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2019-10-13 21:22:55,161 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:55,161 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:55,161 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:55,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:55,162 INFO L82 PathProgramCache]: Analyzing trace with hash 423224560, now seen corresponding path program 1 times [2019-10-13 21:22:55,162 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:55,162 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1684078762] [2019-10-13 21:22:55,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:55,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:55,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:55,355 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-10-13 21:22:55,355 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1684078762] [2019-10-13 21:22:55,355 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:55,356 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-13 21:22:55,356 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900019915] [2019-10-13 21:22:55,356 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-13 21:22:55,357 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:55,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-13 21:22:55,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:55,357 INFO L87 Difference]: Start difference. First operand 290 states and 352 transitions. Second operand 7 states. [2019-10-13 21:22:56,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,157 INFO L93 Difference]: Finished difference Result 731 states and 954 transitions. [2019-10-13 21:22:56,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-13 21:22:56,158 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2019-10-13 21:22:56,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,163 INFO L225 Difference]: With dead ends: 731 [2019-10-13 21:22:56,164 INFO L226 Difference]: Without dead ends: 469 [2019-10-13 21:22:56,167 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-10-13 21:22:56,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 469 states. [2019-10-13 21:22:56,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 469 to 416. [2019-10-13 21:22:56,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 416 states. [2019-10-13 21:22:56,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 416 states and 503 transitions. [2019-10-13 21:22:56,241 INFO L78 Accepts]: Start accepts. Automaton has 416 states and 503 transitions. Word has length 70 [2019-10-13 21:22:56,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,243 INFO L462 AbstractCegarLoop]: Abstraction has 416 states and 503 transitions. [2019-10-13 21:22:56,243 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-13 21:22:56,244 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 503 transitions. [2019-10-13 21:22:56,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:56,249 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,250 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:56,250 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,251 INFO L82 PathProgramCache]: Analyzing trace with hash -742421187, now seen corresponding path program 1 times [2019-10-13 21:22:56,251 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520257838] [2019-10-13 21:22:56,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,356 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,357 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520257838] [2019-10-13 21:22:56,357 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,357 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-13 21:22:56,358 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11710675] [2019-10-13 21:22:56,358 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-13 21:22:56,358 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-13 21:22:56,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-13 21:22:56,359 INFO L87 Difference]: Start difference. First operand 416 states and 503 transitions. Second operand 6 states. [2019-10-13 21:22:56,419 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,420 INFO L93 Difference]: Finished difference Result 814 states and 1003 transitions. [2019-10-13 21:22:56,420 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-13 21:22:56,420 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2019-10-13 21:22:56,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,426 INFO L225 Difference]: With dead ends: 814 [2019-10-13 21:22:56,426 INFO L226 Difference]: Without dead ends: 426 [2019-10-13 21:22:56,429 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-13 21:22:56,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 426 states. [2019-10-13 21:22:56,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426. [2019-10-13 21:22:56,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-13 21:22:56,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 513 transitions. [2019-10-13 21:22:56,477 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 513 transitions. Word has length 92 [2019-10-13 21:22:56,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,477 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 513 transitions. [2019-10-13 21:22:56,478 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-13 21:22:56,478 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 513 transitions. [2019-10-13 21:22:56,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:56,480 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,480 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:56,480 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,481 INFO L82 PathProgramCache]: Analyzing trace with hash -40821313, now seen corresponding path program 1 times [2019-10-13 21:22:56,481 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,481 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897987181] [2019-10-13 21:22:56,481 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,482 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,482 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,652 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,653 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897987181] [2019-10-13 21:22:56,654 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,654 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-13 21:22:56,654 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147666123] [2019-10-13 21:22:56,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-13 21:22:56,656 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-13 21:22:56,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:56,656 INFO L87 Difference]: Start difference. First operand 426 states and 513 transitions. Second operand 8 states. [2019-10-13 21:22:56,704 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:56,705 INFO L93 Difference]: Finished difference Result 838 states and 1042 transitions. [2019-10-13 21:22:56,705 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-13 21:22:56,705 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 92 [2019-10-13 21:22:56,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:56,712 INFO L225 Difference]: With dead ends: 838 [2019-10-13 21:22:56,712 INFO L226 Difference]: Without dead ends: 440 [2019-10-13 21:22:56,714 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-10-13 21:22:56,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2019-10-13 21:22:56,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 434. [2019-10-13 21:22:56,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2019-10-13 21:22:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 521 transitions. [2019-10-13 21:22:56,748 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 521 transitions. Word has length 92 [2019-10-13 21:22:56,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:56,749 INFO L462 AbstractCegarLoop]: Abstraction has 434 states and 521 transitions. [2019-10-13 21:22:56,749 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-13 21:22:56,749 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 521 transitions. [2019-10-13 21:22:56,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2019-10-13 21:22:56,758 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:56,758 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:56,758 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:56,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:56,759 INFO L82 PathProgramCache]: Analyzing trace with hash 1684659584, now seen corresponding path program 1 times [2019-10-13 21:22:56,759 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:56,760 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331545975] [2019-10-13 21:22:56,760 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,760 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:56,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:56,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:56,920 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:56,923 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331545975] [2019-10-13 21:22:56,923 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:56,923 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-13 21:22:56,923 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657407975] [2019-10-13 21:22:56,924 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-13 21:22:56,924 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:56,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-13 21:22:56,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:56,924 INFO L87 Difference]: Start difference. First operand 434 states and 521 transitions. Second operand 4 states. [2019-10-13 21:22:57,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:57,180 INFO L93 Difference]: Finished difference Result 1388 states and 1746 transitions. [2019-10-13 21:22:57,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-13 21:22:57,181 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 92 [2019-10-13 21:22:57,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:57,188 INFO L225 Difference]: With dead ends: 1388 [2019-10-13 21:22:57,188 INFO L226 Difference]: Without dead ends: 982 [2019-10-13 21:22:57,190 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-13 21:22:57,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 982 states. [2019-10-13 21:22:57,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 982 to 965. [2019-10-13 21:22:57,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2019-10-13 21:22:57,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1188 transitions. [2019-10-13 21:22:57,264 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1188 transitions. Word has length 92 [2019-10-13 21:22:57,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:57,265 INFO L462 AbstractCegarLoop]: Abstraction has 965 states and 1188 transitions. [2019-10-13 21:22:57,266 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-13 21:22:57,266 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1188 transitions. [2019-10-13 21:22:57,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2019-10-13 21:22:57,269 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:57,272 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:57,273 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:57,273 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:57,273 INFO L82 PathProgramCache]: Analyzing trace with hash 1838654426, now seen corresponding path program 1 times [2019-10-13 21:22:57,273 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:57,274 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1040692627] [2019-10-13 21:22:57,274 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,274 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:57,274 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:57,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:57,476 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-13 21:22:57,477 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1040692627] [2019-10-13 21:22:57,477 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-13 21:22:57,477 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-13 21:22:57,477 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528760995] [2019-10-13 21:22:57,478 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-13 21:22:57,479 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-13 21:22:57,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-13 21:22:57,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-13 21:22:57,479 INFO L87 Difference]: Start difference. First operand 965 states and 1188 transitions. Second operand 9 states. [2019-10-13 21:22:58,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:22:58,682 INFO L93 Difference]: Finished difference Result 2640 states and 3408 transitions. [2019-10-13 21:22:58,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2019-10-13 21:22:58,683 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 96 [2019-10-13 21:22:58,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:22:58,702 INFO L225 Difference]: With dead ends: 2640 [2019-10-13 21:22:58,702 INFO L226 Difference]: Without dead ends: 1885 [2019-10-13 21:22:58,708 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2019-10-13 21:22:58,712 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1885 states. [2019-10-13 21:22:58,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1885 to 1660. [2019-10-13 21:22:58,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1660 states. [2019-10-13 21:22:58,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1660 states to 1660 states and 2011 transitions. [2019-10-13 21:22:58,884 INFO L78 Accepts]: Start accepts. Automaton has 1660 states and 2011 transitions. Word has length 96 [2019-10-13 21:22:58,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:22:58,888 INFO L462 AbstractCegarLoop]: Abstraction has 1660 states and 2011 transitions. [2019-10-13 21:22:58,888 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-13 21:22:58,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1660 states and 2011 transitions. [2019-10-13 21:22:58,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-13 21:22:58,896 INFO L372 BasicCegarLoop]: Found error trace [2019-10-13 21:22:58,896 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-13 21:22:58,897 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-13 21:22:58,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:22:58,897 INFO L82 PathProgramCache]: Analyzing trace with hash -1624055928, now seen corresponding path program 1 times [2019-10-13 21:22:58,898 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-13 21:22:58,898 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731157812] [2019-10-13 21:22:58,898 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,898 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-13 21:22:58,899 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-13 21:22:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,300 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:22:59,300 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1731157812] [2019-10-13 21:22:59,301 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1560488621] [2019-10-13 21:22:59,301 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 [2019-10-13 21:22:59,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-13 21:22:59,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 928 conjuncts, 8 conjunts are in the unsatisfiable core [2019-10-13 21:22:59,578 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-13 21:22:59,762 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 27 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-13 21:22:59,763 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-13 21:23:00,414 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 22 proven. 7 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-13 21:23:00,415 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1538466572] [2019-10-13 21:23:00,421 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 158 [2019-10-13 21:23:00,472 INFO L148 AbstractInterpreter]: Using domain IntervalDomain [2019-10-13 21:23:00,472 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-13 21:23:00,566 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-13 21:23:00,567 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 69 root evaluator evaluations with a maximum evaluation depth of 0. Performed 69 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 128 variables. [2019-10-13 21:23:00,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-13 21:23:00,572 INFO L536 sIntCurrentIteration]: Generating AbsInt predicates [2019-10-13 21:23:00,681 INFO L219 lantSequenceWeakener]: Could never weaken! [2019-10-13 21:23:00,681 INFO L551 sIntCurrentIteration]: Unifying AI predicates [2019-10-13 21:23:00,684 INFO L553 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2019-10-13 21:23:00,685 INFO L562 sIntCurrentIteration]: Finished generation of AbsInt predicates [2019-10-13 21:23:00,685 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 3 imperfect interpolant sequences. [2019-10-13 21:23:00,686 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [11, 7, 7] total 19 [2019-10-13 21:23:00,686 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962349007] [2019-10-13 21:23:00,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-10-13 21:23:00,688 INFO L137 tionRefinementEngine]: Using predicate unifier AbsIntPredicateUnifier provided by strategy TAIPAN [2019-10-13 21:23:00,688 INFO L124 tionRefinementEngine]: Using hoare triple checker CachingHoareTripleCheckerMap provided by strategy [2019-10-13 21:23:00,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-10-13 21:23:00,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:00,688 INFO L87 Difference]: Start difference. First operand 1660 states and 2011 transitions. Second operand 2 states. [2019-10-13 21:23:00,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-13 21:23:00,713 INFO L93 Difference]: Finished difference Result 1660 states and 2011 transitions. [2019-10-13 21:23:00,714 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-10-13 21:23:00,714 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 157 [2019-10-13 21:23:00,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-13 21:23:00,714 INFO L225 Difference]: With dead ends: 1660 [2019-10-13 21:23:00,715 INFO L226 Difference]: Without dead ends: 0 [2019-10-13 21:23:00,719 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-10-13 21:23:00,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-13 21:23:00,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-13 21:23:00,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-13 21:23:00,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-13 21:23:00,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-10-13 21:23:00,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-13 21:23:00,721 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-13 21:23:00,721 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-10-13 21:23:00,721 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-13 21:23:00,721 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-13 21:23:00,927 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-13 21:23:00,932 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-13 21:23:01,346 INFO L443 ceAbstractionStarter]: For program point L573(lines 550 574) no Hoare annotation was computed. [2019-10-13 21:23:01,347 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 526 581) no Hoare annotation was computed. [2019-10-13 21:23:01,347 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 561) no Hoare annotation was computed. [2019-10-13 21:23:01,347 INFO L443 ceAbstractionStarter]: For program point L557-1(lines 557 561) no Hoare annotation was computed. [2019-10-13 21:23:01,347 INFO L443 ceAbstractionStarter]: For program point L552(line 552) no Hoare annotation was computed. [2019-10-13 21:23:01,347 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 526 581) no Hoare annotation was computed. [2019-10-13 21:23:01,347 INFO L443 ceAbstractionStarter]: For program point L551-2(lines 551 572) no Hoare annotation was computed. [2019-10-13 21:23:01,348 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 526 581) no Hoare annotation was computed. [2019-10-13 21:23:01,348 INFO L443 ceAbstractionStarter]: For program point L609(line 609) no Hoare annotation was computed. [2019-10-13 21:23:01,348 INFO L443 ceAbstractionStarter]: For program point L608-2(lines 608 633) no Hoare annotation was computed. [2019-10-13 21:23:01,349 INFO L443 ceAbstractionStarter]: For program point L634(lines 607 635) no Hoare annotation was computed. [2019-10-13 21:23:01,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 582 641) no Hoare annotation was computed. [2019-10-13 21:23:01,349 INFO L443 ceAbstractionStarter]: For program point L627(line 627) no Hoare annotation was computed. [2019-10-13 21:23:01,349 INFO L443 ceAbstractionStarter]: For program point L627-1(line 627) no Hoare annotation was computed. [2019-10-13 21:23:01,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 582 641) no Hoare annotation was computed. [2019-10-13 21:23:01,349 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 582 641) no Hoare annotation was computed. [2019-10-13 21:23:01,349 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 618) no Hoare annotation was computed. [2019-10-13 21:23:01,351 INFO L443 ceAbstractionStarter]: For program point L614-1(lines 614 618) no Hoare annotation was computed. [2019-10-13 21:23:01,352 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 457 463) the Hoare annotation is: true [2019-10-13 21:23:01,352 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 457 463) no Hoare annotation was computed. [2019-10-13 21:23:01,352 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 464 472) no Hoare annotation was computed. [2019-10-13 21:23:01,352 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 464 472) the Hoare annotation is: true [2019-10-13 21:23:01,352 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 464 472) no Hoare annotation was computed. [2019-10-13 21:23:01,352 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 954 961) the Hoare annotation is: true [2019-10-13 21:23:01,352 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1EXIT(lines 954 961) no Hoare annotation was computed. [2019-10-13 21:23:01,353 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__1FINAL(lines 954 961) no Hoare annotation was computed. [2019-10-13 21:23:01,353 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 962 971) the Hoare annotation is: true [2019-10-13 21:23:01,353 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2EXIT(lines 962 971) no Hoare annotation was computed. [2019-10-13 21:23:01,353 INFO L443 ceAbstractionStarter]: For program point L967(line 967) no Hoare annotation was computed. [2019-10-13 21:23:01,355 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__2FINAL(lines 962 971) no Hoare annotation was computed. [2019-10-13 21:23:01,355 INFO L446 ceAbstractionStarter]: At program point L987(line 987) the Hoare annotation is: true [2019-10-13 21:23:01,356 INFO L443 ceAbstractionStarter]: For program point L985(lines 985 991) no Hoare annotation was computed. [2019-10-13 21:23:01,356 INFO L443 ceAbstractionStarter]: For program point L984(lines 984 994) no Hoare annotation was computed. [2019-10-13 21:23:01,356 INFO L446 ceAbstractionStarter]: At program point L982(line 982) the Hoare annotation is: true [2019-10-13 21:23:01,356 INFO L443 ceAbstractionStarter]: For program point L982-1(line 982) no Hoare annotation was computed. [2019-10-13 21:23:01,356 INFO L443 ceAbstractionStarter]: For program point L980(lines 980 997) no Hoare annotation was computed. [2019-10-13 21:23:01,357 INFO L443 ceAbstractionStarter]: For program point L980-1(lines 972 1000) no Hoare annotation was computed. [2019-10-13 21:23:01,358 INFO L446 ceAbstractionStarter]: At program point L978(line 978) the Hoare annotation is: true [2019-10-13 21:23:01,358 INFO L443 ceAbstractionStarter]: For program point L978-1(line 978) no Hoare annotation was computed. [2019-10-13 21:23:01,358 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 972 1000) the Hoare annotation is: true [2019-10-13 21:23:01,358 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification5_spec__3EXIT(lines 972 1000) no Hoare annotation was computed. [2019-10-13 21:23:01,358 INFO L446 ceAbstractionStarter]: At program point L354-1(line 354) the Hoare annotation is: true [2019-10-13 21:23:01,359 INFO L446 ceAbstractionStarter]: At program point mainENTRY(lines 348 370) the Hoare annotation is: true [2019-10-13 21:23:01,359 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 348 370) no Hoare annotation was computed. [2019-10-13 21:23:01,359 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 348 370) no Hoare annotation was computed. [2019-10-13 21:23:01,359 INFO L446 ceAbstractionStarter]: At program point L360(line 360) the Hoare annotation is: true [2019-10-13 21:23:01,359 INFO L446 ceAbstractionStarter]: At program point L360-1(line 360) the Hoare annotation is: true [2019-10-13 21:23:01,359 INFO L443 ceAbstractionStarter]: For program point L358(lines 358 365) no Hoare annotation was computed. [2019-10-13 21:23:01,359 INFO L443 ceAbstractionStarter]: For program point L358-1(lines 358 365) no Hoare annotation was computed. [2019-10-13 21:23:01,359 INFO L443 ceAbstractionStarter]: For program point L356(line 356) no Hoare annotation was computed. [2019-10-13 21:23:01,360 INFO L446 ceAbstractionStarter]: At program point L355(line 355) the Hoare annotation is: true [2019-10-13 21:23:01,360 INFO L446 ceAbstractionStarter]: At program point L354(line 354) the Hoare annotation is: true [2019-10-13 21:23:01,360 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 301 324) no Hoare annotation was computed. [2019-10-13 21:23:01,360 INFO L443 ceAbstractionStarter]: For program point L319(line 319) no Hoare annotation was computed. [2019-10-13 21:23:01,360 INFO L443 ceAbstractionStarter]: For program point L318(line 318) no Hoare annotation was computed. [2019-10-13 21:23:01,360 INFO L443 ceAbstractionStarter]: For program point L317(line 317) no Hoare annotation was computed. [2019-10-13 21:23:01,360 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 301 324) no Hoare annotation was computed. [2019-10-13 21:23:01,360 INFO L443 ceAbstractionStarter]: For program point L316(line 316) no Hoare annotation was computed. [2019-10-13 21:23:01,360 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 301 324) no Hoare annotation was computed. [2019-10-13 21:23:01,360 INFO L443 ceAbstractionStarter]: For program point L315(line 315) no Hoare annotation was computed. [2019-10-13 21:23:01,361 INFO L443 ceAbstractionStarter]: For program point L314(line 314) no Hoare annotation was computed. [2019-10-13 21:23:01,361 INFO L443 ceAbstractionStarter]: For program point L313(line 313) no Hoare annotation was computed. [2019-10-13 21:23:01,361 INFO L443 ceAbstractionStarter]: For program point L312(line 312) no Hoare annotation was computed. [2019-10-13 21:23:01,361 INFO L443 ceAbstractionStarter]: For program point L311(line 311) no Hoare annotation was computed. [2019-10-13 21:23:01,361 INFO L443 ceAbstractionStarter]: For program point L310(line 310) no Hoare annotation was computed. [2019-10-13 21:23:01,361 INFO L443 ceAbstractionStarter]: For program point L309(line 309) no Hoare annotation was computed. [2019-10-13 21:23:01,361 INFO L443 ceAbstractionStarter]: For program point L308(line 308) no Hoare annotation was computed. [2019-10-13 21:23:01,361 INFO L443 ceAbstractionStarter]: For program point L307(line 307) no Hoare annotation was computed. [2019-10-13 21:23:01,361 INFO L443 ceAbstractionStarter]: For program point L306(line 306) no Hoare annotation was computed. [2019-10-13 21:23:01,362 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 252 266) no Hoare annotation was computed. [2019-10-13 21:23:01,362 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 262) no Hoare annotation was computed. [2019-10-13 21:23:01,362 INFO L446 ceAbstractionStarter]: At program point stopSystemENTRY(lines 252 266) the Hoare annotation is: true [2019-10-13 21:23:01,362 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 252 266) no Hoare annotation was computed. [2019-10-13 21:23:01,362 INFO L446 ceAbstractionStarter]: At program point L258(line 258) the Hoare annotation is: true [2019-10-13 21:23:01,362 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 169 177) no Hoare annotation was computed. [2019-10-13 21:23:01,362 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 169 177) the Hoare annotation is: true [2019-10-13 21:23:01,363 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 169 177) no Hoare annotation was computed. [2019-10-13 21:23:01,363 INFO L446 ceAbstractionStarter]: At program point L240(line 240) the Hoare annotation is: true [2019-10-13 21:23:01,363 INFO L443 ceAbstractionStarter]: For program point L242-2(lines 242 246) no Hoare annotation was computed. [2019-10-13 21:23:01,363 INFO L443 ceAbstractionStarter]: For program point L240-1(line 240) no Hoare annotation was computed. [2019-10-13 21:23:01,363 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 233 251) the Hoare annotation is: true [2019-10-13 21:23:01,363 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 233 251) no Hoare annotation was computed. [2019-10-13 21:23:01,363 INFO L443 ceAbstractionStarter]: For program point L242(lines 242 246) no Hoare annotation was computed. [2019-10-13 21:23:01,363 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 233 251) no Hoare annotation was computed. [2019-10-13 21:23:01,364 INFO L443 ceAbstractionStarter]: For program point L185(lines 185 193) no Hoare annotation was computed. [2019-10-13 21:23:01,364 INFO L443 ceAbstractionStarter]: For program point L185-2(lines 185 193) no Hoare annotation was computed. [2019-10-13 21:23:01,364 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-10-13 21:23:01,364 INFO L443 ceAbstractionStarter]: For program point L208-1(line 208) no Hoare annotation was computed. [2019-10-13 21:23:01,364 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 178 213) no Hoare annotation was computed. [2019-10-13 21:23:01,364 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 178 213) no Hoare annotation was computed. [2019-10-13 21:23:01,364 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 205) no Hoare annotation was computed. [2019-10-13 21:23:01,364 INFO L443 ceAbstractionStarter]: For program point L197-2(lines 197 205) no Hoare annotation was computed. [2019-10-13 21:23:01,365 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 178 213) no Hoare annotation was computed. [2019-10-13 21:23:01,365 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 450 456) no Hoare annotation was computed. [2019-10-13 21:23:01,365 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 450 456) the Hoare annotation is: true [2019-10-13 21:23:01,365 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 480 525) no Hoare annotation was computed. [2019-10-13 21:23:01,365 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 480 525) no Hoare annotation was computed. [2019-10-13 21:23:01,365 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 480 525) no Hoare annotation was computed. [2019-10-13 21:23:01,365 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 793 838) no Hoare annotation was computed. [2019-10-13 21:23:01,366 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 820) no Hoare annotation was computed. [2019-10-13 21:23:01,366 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 793 838) no Hoare annotation was computed. [2019-10-13 21:23:01,366 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 827) no Hoare annotation was computed. [2019-10-13 21:23:01,366 INFO L443 ceAbstractionStarter]: For program point L807-1(lines 807 827) no Hoare annotation was computed. [2019-10-13 21:23:01,366 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 793 838) no Hoare annotation was computed. [2019-10-13 21:23:01,366 INFO L446 ceAbstractionStarter]: At program point runTestENTRY(lines 334 344) the Hoare annotation is: true [2019-10-13 21:23:01,366 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 334 344) no Hoare annotation was computed. [2019-10-13 21:23:01,367 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 334 344) no Hoare annotation was computed. [2019-10-13 21:23:01,367 INFO L446 ceAbstractionStarter]: At program point L339(line 339) the Hoare annotation is: true [2019-10-13 21:23:01,367 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmENTRY(lines 158 168) no Hoare annotation was computed. [2019-10-13 21:23:01,367 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 158 168) no Hoare annotation was computed. [2019-10-13 21:23:01,367 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 158 168) no Hoare annotation was computed. [2019-10-13 21:23:01,367 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-10-13 21:23:01,367 INFO L443 ceAbstractionStarter]: For program point L163-1(line 163) no Hoare annotation was computed. [2019-10-13 21:23:01,368 INFO L446 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 150 157) the Hoare annotation is: true [2019-10-13 21:23:01,368 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 150 157) no Hoare annotation was computed. [2019-10-13 21:23:01,368 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 150 157) no Hoare annotation was computed. [2019-10-13 21:23:01,368 INFO L443 ceAbstractionStarter]: For program point L924(lines 924 930) no Hoare annotation was computed. [2019-10-13 21:23:01,368 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 920 933) no Hoare annotation was computed. [2019-10-13 21:23:01,368 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 920 933) the Hoare annotation is: true [2019-10-13 21:23:01,368 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 920 933) no Hoare annotation was computed. [2019-10-13 21:23:01,368 INFO L446 ceAbstractionStarter]: At program point L127(line 127) the Hoare annotation is: true [2019-10-13 21:23:01,369 INFO L443 ceAbstractionStarter]: For program point L125(lines 125 133) no Hoare annotation was computed. [2019-10-13 21:23:01,369 INFO L446 ceAbstractionStarter]: At program point L123(line 123) the Hoare annotation is: true [2019-10-13 21:23:01,370 INFO L443 ceAbstractionStarter]: For program point L123-1(line 123) no Hoare annotation was computed. [2019-10-13 21:23:01,370 INFO L443 ceAbstractionStarter]: For program point L121(lines 121 138) no Hoare annotation was computed. [2019-10-13 21:23:01,370 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 117 141) no Hoare annotation was computed. [2019-10-13 21:23:01,370 INFO L446 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 117 141) the Hoare annotation is: true [2019-10-13 21:23:01,370 INFO L446 ceAbstractionStarter]: At program point L136(line 136) the Hoare annotation is: true [2019-10-13 21:23:01,370 INFO L443 ceAbstractionStarter]: For program point L136-1(lines 117 141) no Hoare annotation was computed. [2019-10-13 21:23:01,370 INFO L446 ceAbstractionStarter]: At program point L131(line 131) the Hoare annotation is: true [2019-10-13 21:23:01,370 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 83 89) no Hoare annotation was computed. [2019-10-13 21:23:01,371 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 83 89) the Hoare annotation is: true [2019-10-13 21:23:01,371 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 388) no Hoare annotation was computed. [2019-10-13 21:23:01,371 INFO L446 ceAbstractionStarter]: At program point testENTRY(lines 372 437) the Hoare annotation is: true [2019-10-13 21:23:01,371 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 372 437) no Hoare annotation was computed. [2019-10-13 21:23:01,371 INFO L446 ceAbstractionStarter]: At program point L430(lines 381 431) the Hoare annotation is: true [2019-10-13 21:23:01,371 INFO L446 ceAbstractionStarter]: At program point L420(line 420) the Hoare annotation is: true [2019-10-13 21:23:01,371 INFO L443 ceAbstractionStarter]: For program point L418(lines 418 424) no Hoare annotation was computed. [2019-10-13 21:23:01,371 INFO L446 ceAbstractionStarter]: At program point L418-1(lines 412 425) the Hoare annotation is: true [2019-10-13 21:23:01,372 INFO L443 ceAbstractionStarter]: For program point L383(lines 382 429) no Hoare annotation was computed. [2019-10-13 21:23:01,372 INFO L443 ceAbstractionStarter]: For program point L412(lines 412 425) no Hoare annotation was computed. [2019-10-13 21:23:01,372 INFO L446 ceAbstractionStarter]: At program point L404(line 404) the Hoare annotation is: true [2019-10-13 21:23:01,372 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 408) no Hoare annotation was computed. [2019-10-13 21:23:01,372 INFO L443 ceAbstractionStarter]: For program point L402-1(lines 402 408) no Hoare annotation was computed. [2019-10-13 21:23:01,372 INFO L446 ceAbstractionStarter]: At program point L427(lines 382 429) the Hoare annotation is: true [2019-10-13 21:23:01,372 INFO L446 ceAbstractionStarter]: At program point L394(line 394) the Hoare annotation is: true [2019-10-13 21:23:01,372 INFO L443 ceAbstractionStarter]: For program point L392(lines 392 398) no Hoare annotation was computed. [2019-10-13 21:23:01,373 INFO L443 ceAbstractionStarter]: For program point L392-1(lines 392 398) no Hoare annotation was computed. [2019-10-13 21:23:01,373 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 372 437) no Hoare annotation was computed. [2019-10-13 21:23:01,373 INFO L443 ceAbstractionStarter]: For program point L767(lines 767 774) no Hoare annotation was computed. [2019-10-13 21:23:01,373 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 747 792) no Hoare annotation was computed. [2019-10-13 21:23:01,373 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 781) no Hoare annotation was computed. [2019-10-13 21:23:01,373 INFO L443 ceAbstractionStarter]: For program point L761-1(lines 761 781) no Hoare annotation was computed. [2019-10-13 21:23:01,373 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 747 792) no Hoare annotation was computed. [2019-10-13 21:23:01,373 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 747 792) no Hoare annotation was computed. [2019-10-13 21:23:01,374 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 934 942) no Hoare annotation was computed. [2019-10-13 21:23:01,374 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 934 942) the Hoare annotation is: true [2019-10-13 21:23:01,374 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 934 942) no Hoare annotation was computed. [2019-10-13 21:23:01,374 INFO L443 ceAbstractionStarter]: For program point L896(lines 896 904) no Hoare annotation was computed. [2019-10-13 21:23:01,374 INFO L443 ceAbstractionStarter]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2019-10-13 21:23:01,374 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 888 910) no Hoare annotation was computed. [2019-10-13 21:23:01,374 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 888 910) no Hoare annotation was computed. [2019-10-13 21:23:01,374 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 888 910) no Hoare annotation was computed. [2019-10-13 21:23:01,375 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 440 449) no Hoare annotation was computed. [2019-10-13 21:23:01,375 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 440 449) no Hoare annotation was computed. [2019-10-13 21:23:01,375 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 440 449) no Hoare annotation was computed. [2019-10-13 21:23:01,376 INFO L443 ceAbstractionStarter]: For program point L673(lines 673 689) no Hoare annotation was computed. [2019-10-13 21:23:01,376 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 644 746) no Hoare annotation was computed. [2019-10-13 21:23:01,376 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 740) no Hoare annotation was computed. [2019-10-13 21:23:01,376 INFO L443 ceAbstractionStarter]: For program point L694(lines 693 713) no Hoare annotation was computed. [2019-10-13 21:23:01,376 INFO L443 ceAbstractionStarter]: For program point L725(line 725) no Hoare annotation was computed. [2019-10-13 21:23:01,376 INFO L443 ceAbstractionStarter]: For program point L725-1(line 725) no Hoare annotation was computed. [2019-10-13 21:23:01,376 INFO L443 ceAbstractionStarter]: For program point L690(lines 690 731) no Hoare annotation was computed. [2019-10-13 21:23:01,377 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 644 746) no Hoare annotation was computed. [2019-10-13 21:23:01,377 INFO L443 ceAbstractionStarter]: For program point L709(line 709) no Hoare annotation was computed. [2019-10-13 21:23:01,377 INFO L443 ceAbstractionStarter]: For program point L709-1(line 709) no Hoare annotation was computed. [2019-10-13 21:23:01,377 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 672) no Hoare annotation was computed. [2019-10-13 21:23:01,377 INFO L443 ceAbstractionStarter]: For program point L732(lines 732 743) no Hoare annotation was computed. [2019-10-13 21:23:01,377 INFO L443 ceAbstractionStarter]: For program point L695(lines 695 699) no Hoare annotation was computed. [2019-10-13 21:23:01,377 INFO L443 ceAbstractionStarter]: For program point L693-2(lines 693 713) no Hoare annotation was computed. [2019-10-13 21:23:01,377 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 644 746) no Hoare annotation was computed. [2019-10-13 21:23:01,377 INFO L443 ceAbstractionStarter]: For program point L714(lines 692 715) no Hoare annotation was computed. [2019-10-13 21:23:01,378 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,378 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (= 1 ~waterLevel~0) (= |old(~waterLevel~0)| ~waterLevel~0))) [2019-10-13 21:23:01,378 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,378 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 142 149) no Hoare annotation was computed. [2019-10-13 21:23:01,378 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 142 149) no Hoare annotation was computed. [2019-10-13 21:23:01,378 INFO L446 ceAbstractionStarter]: At program point activatePumpENTRY(lines 142 149) the Hoare annotation is: true [2019-10-13 21:23:01,378 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 214 232) no Hoare annotation was computed. [2019-10-13 21:23:01,379 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 227) no Hoare annotation was computed. [2019-10-13 21:23:01,379 INFO L446 ceAbstractionStarter]: At program point L221(line 221) the Hoare annotation is: true [2019-10-13 21:23:01,380 INFO L443 ceAbstractionStarter]: For program point L223-2(lines 223 227) no Hoare annotation was computed. [2019-10-13 21:23:01,380 INFO L443 ceAbstractionStarter]: For program point L221-1(line 221) no Hoare annotation was computed. [2019-10-13 21:23:01,380 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 214 232) the Hoare annotation is: true [2019-10-13 21:23:01,380 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 214 232) no Hoare annotation was computed. [2019-10-13 21:23:01,380 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 911 919) the Hoare annotation is: true [2019-10-13 21:23:01,380 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 911 919) no Hoare annotation was computed. [2019-10-13 21:23:01,380 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 911 919) no Hoare annotation was computed. [2019-10-13 21:23:01,381 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 867 878) the Hoare annotation is: true [2019-10-13 21:23:01,381 INFO L443 ceAbstractionStarter]: For program point L871-1(lines 867 878) no Hoare annotation was computed. [2019-10-13 21:23:01,381 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 867 878) no Hoare annotation was computed. [2019-10-13 21:23:01,381 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,381 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,381 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,381 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalENTRY(lines 879 887) no Hoare annotation was computed. [2019-10-13 21:23:01,381 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 879 887) no Hoare annotation was computed. [2019-10-13 21:23:01,382 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 879 887) no Hoare annotation was computed. [2019-10-13 21:23:01,382 INFO L446 ceAbstractionStarter]: At program point L65(line 65) the Hoare annotation is: true [2019-10-13 21:23:01,382 INFO L443 ceAbstractionStarter]: For program point L63(lines 59 81) no Hoare annotation was computed. [2019-10-13 21:23:01,383 INFO L443 ceAbstractionStarter]: For program point L61(lines 59 81) no Hoare annotation was computed. [2019-10-13 21:23:01,383 INFO L446 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 82) the Hoare annotation is: true [2019-10-13 21:23:01,383 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 82) no Hoare annotation was computed. [2019-10-13 21:23:01,383 INFO L446 ceAbstractionStarter]: At program point L72(line 72) the Hoare annotation is: true [2019-10-13 21:23:01,383 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 82) no Hoare annotation was computed. [2019-10-13 21:23:01,384 INFO L446 ceAbstractionStarter]: At program point L70(lines 70 76) the Hoare annotation is: true [2019-10-13 21:23:01,384 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 269 298) no Hoare annotation was computed. [2019-10-13 21:23:01,384 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 269 298) the Hoare annotation is: true [2019-10-13 21:23:01,384 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 287) no Hoare annotation was computed. [2019-10-13 21:23:01,384 INFO L446 ceAbstractionStarter]: At program point L283-1(lines 283 287) the Hoare annotation is: true [2019-10-13 21:23:01,384 INFO L443 ceAbstractionStarter]: For program point L280(line 280) no Hoare annotation was computed. [2019-10-13 21:23:01,384 INFO L446 ceAbstractionStarter]: At program point L279-2(lines 279 293) the Hoare annotation is: true [2019-10-13 21:23:01,384 INFO L446 ceAbstractionStarter]: At program point L275(line 275) the Hoare annotation is: true [2019-10-13 21:23:01,385 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-10-13 21:23:01,385 INFO L446 ceAbstractionStarter]: At program point L294(lines 269 298) the Hoare annotation is: true [2019-10-13 21:23:01,385 INFO L443 ceAbstractionStarter]: For program point L290(line 290) no Hoare annotation was computed. [2019-10-13 21:23:01,385 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 843 854) the Hoare annotation is: true [2019-10-13 21:23:01,385 INFO L443 ceAbstractionStarter]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2019-10-13 21:23:01,385 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 843 854) no Hoare annotation was computed. [2019-10-13 21:23:01,385 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 325 331) no Hoare annotation was computed. [2019-10-13 21:23:01,386 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 325 331) the Hoare annotation is: true [2019-10-13 21:23:01,386 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,386 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: false [2019-10-13 21:23:01,386 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-10-13 21:23:01,386 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-13 21:23:01,386 INFO L446 ceAbstractionStarter]: At program point L97(line 97) the Hoare annotation is: true [2019-10-13 21:23:01,386 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 91 115) the Hoare annotation is: true [2019-10-13 21:23:01,387 INFO L443 ceAbstractionStarter]: For program point L97-1(line 97) no Hoare annotation was computed. [2019-10-13 21:23:01,387 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 112) no Hoare annotation was computed. [2019-10-13 21:23:01,387 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 91 115) no Hoare annotation was computed. [2019-10-13 21:23:01,387 INFO L446 ceAbstractionStarter]: At program point L110(line 110) the Hoare annotation is: true [2019-10-13 21:23:01,387 INFO L443 ceAbstractionStarter]: For program point L110-1(lines 91 115) no Hoare annotation was computed. [2019-10-13 21:23:01,387 INFO L446 ceAbstractionStarter]: At program point L105(line 105) the Hoare annotation is: true [2019-10-13 21:23:01,387 INFO L446 ceAbstractionStarter]: At program point L101(line 101) the Hoare annotation is: true [2019-10-13 21:23:01,387 INFO L443 ceAbstractionStarter]: For program point L99(lines 99 107) no Hoare annotation was computed. [2019-10-13 21:23:01,388 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 855 866) no Hoare annotation was computed. [2019-10-13 21:23:01,388 INFO L443 ceAbstractionStarter]: For program point L859-1(lines 855 866) no Hoare annotation was computed. [2019-10-13 21:23:01,388 INFO L446 ceAbstractionStarter]: At program point waterRiseENTRY(lines 855 866) the Hoare annotation is: true [2019-10-13 21:23:01,388 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 944 951) no Hoare annotation was computed. [2019-10-13 21:23:01,388 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 948) no Hoare annotation was computed. [2019-10-13 21:23:01,388 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 944 951) the Hoare annotation is: true [2019-10-13 21:23:01,388 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 944 951) no Hoare annotation was computed. [2019-10-13 21:23:01,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 09:23:01 BoogieIcfgContainer [2019-10-13 21:23:01,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-13 21:23:01,408 INFO L168 Benchmark]: Toolchain (without parser) took 9904.35 ms. Allocated memory was 145.2 MB in the beginning and 325.1 MB in the end (delta: 179.8 MB). Free memory was 100.2 MB in the beginning and 123.4 MB in the end (delta: -23.2 MB). Peak memory consumption was 156.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,408 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-13 21:23:01,409 INFO L168 Benchmark]: CACSL2BoogieTranslator took 668.21 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 99.8 MB in the beginning and 169.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,410 INFO L168 Benchmark]: Boogie Preprocessor took 95.06 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 164.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,414 INFO L168 Benchmark]: RCFGBuilder took 1184.65 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 164.9 MB in the beginning and 194.9 MB in the end (delta: -30.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,415 INFO L168 Benchmark]: TraceAbstraction took 7951.78 ms. Allocated memory was 235.9 MB in the beginning and 325.1 MB in the end (delta: 89.1 MB). Free memory was 194.9 MB in the beginning and 123.4 MB in the end (delta: 71.4 MB). Peak memory consumption was 160.6 MB. Max. memory is 7.1 GB. [2019-10-13 21:23:01,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 145.2 MB. Free memory is still 119.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 668.21 ms. Allocated memory was 145.2 MB in the beginning and 202.4 MB in the end (delta: 57.1 MB). Free memory was 99.8 MB in the beginning and 169.8 MB in the end (delta: -70.0 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 95.06 ms. Allocated memory is still 202.4 MB. Free memory was 169.8 MB in the beginning and 164.9 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1184.65 ms. Allocated memory was 202.4 MB in the beginning and 235.9 MB in the end (delta: 33.6 MB). Free memory was 164.9 MB in the beginning and 194.9 MB in the end (delta: -30.0 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 7951.78 ms. Allocated memory was 235.9 MB in the beginning and 325.1 MB in the end (delta: 89.1 MB). Free memory was 194.9 MB in the beginning and 123.4 MB in the end (delta: 71.4 MB). Peak memory consumption was 160.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 948]: 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: 269]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 382]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 381]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 279]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 251 locations, 1 error locations. Result: SAFE, OverallTime: 7.8s, OverallIterations: 9, TraceHistogramMax: 3, AutomataDifference: 3.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 1480 SDtfs, 1053 SDslu, 3394 SDs, 0 SdLazy, 1664 SolverSat, 280 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 245 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1660occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 9 MinimizatonAttempts, 309 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 64 LocationsWithAnnotation, 1683 PreInvPairs, 1684 NumberOfFragments, 74 HoareAnnotationTreeSize, 1683 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 64 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 939 NumberOfCodeBlocks, 939 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1085 ConstructedInterpolants, 0 QuantifiedInterpolants, 213242 SizeOfPredicates, 4 NumberOfNonLiveVariables, 928 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 8 PerfectInterpolantSequences, 121/150 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: TIME[ms]: 151, ITERATIONS: 1, WAS_STRONG: 1, WEAKENING_RATIO: 1.0, AVG_VARS_REMOVED_DURING_WEAKENING: 0.8461538461538461, 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...